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University Park MD Electrician Services

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Haas & Sons provides electrical services that includes electrical repair and installations for University Park, MD residents —from lighting fixtures to ceiling fan installation to breaker box replacement and surge protection.

Call us now at: (443) 396-2555 and see why your neighbors rely on us to deliver local electrical services at great value for a fair price in University Park, MD below.

Recent Jobs and Reviews in University Park, MD

Rated 5.0 out of 5 stars based on 17 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting high levels of customer satisfaction and trust. Customers consistently express appreciation for the professionalism, knowledge, and expertise demonstrated by the technicians. A dominant theme throughout is the emphasis on clear communication, with reviewers frequently praising how well technicians explained their work, walked them through solutions, and patiently answered questions in understandable terms. The courteous and friendly demeanor of the service providers stands out as a recurring positive attribute, with customers feeling comfortable and respected throughout their interactions. Many reviews highlight the company's integrity, noting that technicians provided honest advice and helpful suggestions without pressure or unnecessary upselling. Punctuality and reliability are also celebrated, with customers appreciating timely arrivals and professional conduct. Several reviewers mention going above and beyond expectations, such as addressing additional safety concerns, performing extra tasks without being asked, and leaving work areas clean. The quality of workmanship receives consistent praise, and many customers express strong intentions to use the service again and recommend it to others. Overall, the tone is enthusiastically positive, reflecting a company that has built lasting relationships with satisfied customers who value both technical competence and exceptional customer service.

Job Locations and Reviews

Install new energy saving smart Gable Attic fan in customers finished attic space which can be controlled by customers phone via Quiet Cool App which we will help setup. This will include tapping off electric from existing switch box controlling attic lights for power, run wire from box over to attic fan and install an outlet for plug in connection. Will need to install funnel to better direct air flow through vent on side of home.
Install new energy saving smart Gable Attic fan in customers finished attic space which can be controlled by customers phone via Quiet Cool App which we will help setup. This will include tapping off electric from existing switch box controlling attic lights for power, run wire from box over to attic fan and install an outlet for plug in connection. Will need to install funnel to better direct air flow through vent on side of home.
Ray G.
Ray G. Checked in
Install new energy saving smart Gable Attic fan in customers finished attic space which can be controlled by customers phone via Quiet Cool App which we will help setup. This will include tapping off electric from existing switch box controlling attic lights for power, run wire from box over to attic fan and install an outlet for plug in connection. Will need to install funnel to better direct air flow through vent on side of home.
University Park, MD 20782
Perform troubleshooting in Home to test to see why the dining room light was flickering. After testing power in multiple areas of the home as well as the main panel and fixture itself, we were able to come to the conclusion that the bulbs themselves were the issue. Customer is going to purchase new bulbs to replace.
Perform troubleshooting in Home to test to see why the dining room light was flickering. After testing power in multiple areas of the home as well as the main panel and fixture itself, we were able to come to the conclusion that the bulbs themselves were the issue. Customer is going to purchase new bulbs to replace.
Nicholas T.
Nicholas T. Checked in
Perform troubleshooting in Home to test to see why the dining room light was flickering. After testing power in multiple areas of the home as well as the main panel and fixture itself, we were able to come to the conclusion that the bulbs themselves were the issue. Customer is going to purchase new bulbs to replace.
University Park, MD 20782
Nicholas T.
Nicholas T. Checked in
Repaired attic fan by shifting squirrel cage back over.
University Park, MD 20782
- Removal of 30 single pole because old age, sparking, and painted over
- Replacement and installation of 30 new single pole switches
- Installation of all new plates
- Installation of new wiring and pigtails
- Removal of 12 - 3 way switches and installation of 12 new ones with plates
- Installation of 3 dimmers
- Removal of  22 single pole because old age, sparking, and painted over - Replacement and installation of 22 new single pole switches - Installation of all new plates - Installation of new wiring and pigtails
- Removal of outlets and install GFCI where needed.
- Removal of 30 single pole because old age, sparking, and painted over
- Replacement and installation of 30 new single pole switches
- Installation of all new plates
- Installation of new wiring and pigtails
- Removal of 12 - 3 way switches and installation of 12 new ones with plates
- Installation of 3 dimmers
- Removal of  22 single pole because old age, sparking, and painted over - Replacement and installation of 22 new single pole switches - Installation of all new plates - Installation of new wiring and pigtails
- Removal of outlets and install GFCI where needed.
Dennis S.
Dennis S. Checked in
- Removal of 30 single pole because old age, sparking, and painted over - Replacement and installation of 30 new single pole switches - Installation of all new plates - Installation of new wiring and pigtails - Removal of 12 - 3 way switches and installation of 12 new ones with plates - Installation of 3 dimmers - Removal of 22 single pole because old age, sparking, and painted over - Replacement and installation of 22 new single pole switches - Installation of all new plates - Installation of new wiring and pigtails - Removal of outlets and install GFCI where needed.
University Park, MD 20782
Today’s visit the customer showed us a new dishwasher that has recently been replaced from going bad, likely due to a surge. We replaced the surge with our surge vortex, and installed a mini vortex on the AC disconnect to protect that and the whole hvac system. We found 6 single pole breakers that were shared neutral circuits, and replaced one today. The generator line was ran in 10/2 and not 10/3, it was only feeding one phase, wired incorrectly. So this Tuesday we will return to replaced the wire with 10/3, the breaker with a CH230, and the hook up plug, and the other 2 - 2 pole breakers.
- Removal of the old rusted box, outlet, screws, and bubble cover with all new material 
- Removal of a regular GFI that should be weather rated and installation of a new weather rated outlet and installation of a new bubble cover that its missing

(07/09/26) - Todays visit we returned to install a new circuit for a new generator hook up plug. We replaced the breaker, and multiple breakers for share
Today’s visit the customer showed us a new dishwasher that has recently been replaced from going bad, likely due to a surge. We replaced the surge with our surge vortex, and installed a mini vortex on the AC disconnect to protect that and the whole hvac system. We found 6 single pole breakers that were shared neutral circuits, and replaced one today. The generator line was ran in 10/2 and not 10/3, it was only feeding one phase, wired incorrectly. So this Tuesday we will return to replaced the wire with 10/3, the breaker with a CH230, and the hook up plug, and the other 2 - 2 pole breakers.
- Removal of the old rusted box, outlet, screws, and bubble cover with all new material 
- Removal of a regular GFI that should be weather rated and installation of a new weather rated outlet and installation of a new bubble cover that its missing

(07/09/26) - Todays visit we returned to install a new circuit for a new generator hook up plug. We replaced the breaker, and multiple breakers for share
Dennis S.
Dennis S. Checked in
Today’s visit the customer showed us a new dishwasher that has recently been replaced from going bad, likely due to a surge. We replaced the surge with our surge vortex, and installed a mini vortex on the AC disconnect to protect that and the whole hvac system. We found 6 single pole breakers that were shared neutral circuits, and replaced one today. The generator line was ran in 10/2 and not 10/3, it was only feeding one phase, wired incorrectly. So this Tuesday we will return to replaced the wire with 10/3, the breaker with a CH230, and the hook up plug, and the other 2 - 2 pole breakers. - Removal of the old rusted box, outlet, screws, and bubble cover with all new material - Removal of a regular GFI that should be weather rated and installation of a new weather rated outlet and installation of a new bubble cover that its missing (07/09/26) - Todays visit we returned to install a new circuit for a new generator hook up plug. We replaced the breaker, and multiple breakers for share
University Park, MD 20782
Install 3-prong range receptacle and customer supplied 3-prong range plug.
Install 3-prong range receptacle and customer supplied 3-prong range plug.
Blaine A.
Blaine A. Checked in
Install 3-prong range receptacle and customer supplied 3-prong range plug.
University Park, MD 20782
Today’s visit the customer showed us her old stove that wouldn't turn off, so they had to turn the breaker on to use it each time and then keep it off. They bought a new stove and we measured it and it will not fit in that spot. The counter needs to be cut for it to fit. The customer will reach back out to us once it is ready, and we will install a new range outlet for it, and hook up the electrical cord to the new stove. The old stove was approximately 29 1/4” wide and the new stove is 29 3/4”.
Today’s visit the customer showed us her old stove that wouldn't turn off, so they had to turn the breaker on to use it each time and then keep it off. They bought a new stove and we measured it and it will not fit in that spot. The counter needs to be cut for it to fit. The customer will reach back out to us once it is ready, and we will install a new range outlet for it, and hook up the electrical cord to the new stove. The old stove was approximately 29 1/4” wide and the new stove is 29 3/4”.
Blaine A.
Blaine A. Checked in
Today’s visit the customer showed us her old stove that wouldn't turn off, so they had to turn the breaker on to use it each time and then keep it off. They bought a new stove and we measured it and it will not fit in that spot. The counter needs to be cut for it to fit. The customer will reach back out to us once it is ready, and we will install a new range outlet for it, and hook up the electrical cord to the new stove. The old stove was approximately 29 1/4” wide and the new stove is 29 3/4”.
University Park, MD 20782
Replace 10/3 nm cable providing power to the A/C unit. We will re route the new circuit to avoid the garage door opener. The current cable runs on top of the garage door opener and everytime the door opens it makes contact with the cable causing more damage. Additionally we will replace the current 40 amp circuit breaker providing overcurrent protection to the A/C unit to ensure that all elements of the circuit are working correctly.
Replace 10/3 nm cable providing power to the A/C unit. We will re route the new circuit to avoid the garage door opener. The current cable runs on top of the garage door opener and everytime the door opens it makes contact with the cable causing more damage. Additionally we will replace the current 40 amp circuit breaker providing overcurrent protection to the A/C unit to ensure that all elements of the circuit are working correctly.
Ray G.
Ray G. Checked in
Replace 10/3 nm cable providing power to the A/C unit. We will re route the new circuit to avoid the garage door opener. The current cable runs on top of the garage door opener and everytime the door opens it makes contact with the cable causing more damage. Additionally we will replace the current 40 amp circuit breaker providing overcurrent protection to the A/C unit to ensure that all elements of the circuit are working correctly.
University Park, MD 20782
For this job, I came out to assess an over head UF wire bringing power from the home to the garage for lighting. The UF is not damaged but should be ran underground from house to garage. I provided two options of running a new wire underground first being hand digging a trench across the backyard and running a new UF wire directly buried into the ground. The second option is to have PVC conduit via directional bore method being shot from one point to the other underground, not having to tear up the yard.
For this job, I came out to assess an over head UF wire bringing power from the home to the garage for lighting. The UF is not damaged but should be ran underground from house to garage. I provided two options of running a new wire underground first being hand digging a trench across the backyard and running a new UF wire directly buried into the ground. The second option is to have PVC conduit via directional bore method being shot from one point to the other underground, not having to tear up the yard.
Ian M.
Ian M. Checked in
For this job, I came out to assess an over head UF wire bringing power from the home to the garage for lighting. The UF is not damaged but should be ran underground from house to garage. I provided two options of running a new wire underground first being hand digging a trench across the backyard and running a new UF wire directly buried into the ground. The second option is to have PVC conduit via directional bore method being shot from one point to the other underground, not having to tear up the yard.
University Park, MD 20782
This solution includes the installation of 4 recess lights in the office as well as installing a new receptacle in the office closet.
Installation of new boxes for five receptacles in the office
Installation of a new receptacle in the closet, tapped off of existing power in the back wall of the office.
This solution includes the installation of 4 recess lights in the office as well as installing a new receptacle in the office closet.
Installation of new boxes for five receptacles in the office
Installation of a new receptacle in the closet, tapped off of existing power in the back wall of the office.
Nicholas T.
Nicholas T. Checked in
This solution includes the installation of 4 recess lights in the office as well as installing a new receptacle in the office closet. Installation of new boxes for five receptacles in the office Installation of a new receptacle in the closet, tapped off of existing power in the back wall of the office.
University Park, MD 20782
Diagnostic for tripping breaker
Reason for today’s visit was because breaker powering living room would continue to trip after a brief humming sound. After running a diagnostic it was concluded there was a fault between the hot and ground which was causing the breaker trip. Upon inspecting each device the fault was found in the cable connecting a light switch to a fixture located over the kitchen sink. Customer has no use for light and prefer if the switch was abandoned in place. By disconnecting the switch leg the ground fault was removed and the circuit was operating properly again.
Diagnostic for tripping breaker
Reason for today’s visit was because breaker powering living room would continue to trip after a brief humming sound. After running a diagnostic it was concluded there was a fault between the hot and ground which was causing the breaker trip. Upon inspecting each device the fault was found in the cable connecting a light switch to a fixture located over the kitchen sink. Customer has no use for light and prefer if the switch was abandoned in place. By disconnecting the switch leg the ground fault was removed and the circuit was operating properly again.
Nicholas T.
Nicholas T. Checked in
Diagnostic for tripping breaker Reason for today’s visit was because breaker powering living room would continue to trip after a brief humming sound. After running a diagnostic it was concluded there was a fault between the hot and ground which was causing the breaker trip. Upon inspecting each device the fault was found in the cable connecting a light switch to a fixture located over the kitchen sink. Customer has no use for light and prefer if the switch was abandoned in place. By disconnecting the switch leg the ground fault was removed and the circuit was operating properly again.
University Park, MD 20782
Replace 120V receptacle that is wired with 240V with a GFCI receptacle as there is no ground present in the box to make it a safe and proper installation. During our check up last visit we suggested a whole home re-device, which I still strongly suggest given age, condition and wiring method.
Replace 120V receptacle that is wired with 240V with a GFCI receptacle as there is no ground present in the box to make it a safe and proper installation. During our check up last visit we suggested a whole home re-device, which I still strongly suggest given age, condition and wiring method.
Ian M.
Ian M. Checked in
Replace 120V receptacle that is wired with 240V with a GFCI receptacle as there is no ground present in the box to make it a safe and proper installation. During our check up last visit we suggested a whole home re-device, which I still strongly suggest given age, condition and wiring method.
University Park, MD 20782
Extended diagnostic 
 Troubleshot tripping breaker for the kitchen lights to find out that the garage is also on with this circuit. What is happening is that when the ground is wet it is causing the wire that is ran underground to the shed to dead short and trip the breaker.
We disconnected the wire in the hidden junction box underneath the addition under the kitchen.
Extended diagnostic 
 Troubleshot tripping breaker for the kitchen lights to find out that the garage is also on with this circuit. What is happening is that when the ground is wet it is causing the wire that is ran underground to the shed to dead short and trip the breaker.
We disconnected the wire in the hidden junction box underneath the addition under the kitchen.
Nicholas T.
Nicholas T. Checked in
Extended diagnostic Troubleshot tripping breaker for the kitchen lights to find out that the garage is also on with this circuit. What is happening is that when the ground is wet it is causing the wire that is ran underground to the shed to dead short and trip the breaker. We disconnected the wire in the hidden junction box underneath the addition under the kitchen.
University Park, MD 20782
Today’s visit was for a possible recall of a circuit breaker tripping. Last call one of our technicians replaced a burnt out light bulb, and replaced the breaker under warranty. Today, the customer told us the breaker tripped again 48 hours later. It is a regular breaker that is tripping. So we were looking for an overcurrent load. Nothing was plugged in the circuit that would cause it to trip, she didn’t even use her vacuum in the time of when it reset and tripped. So, next we opened all the devices on the circuit to check for a short circuit, but found nothing. The whole time when we were there the breaker did not trip. We set a timer when we initially reset the breaker, and we also did an amp draw of the circuit, and it did read up to a max up to 6 amps, but we believe it to be a false reading.
Today’s visit was for a possible recall of a circuit breaker tripping. Last call one of our technicians replaced a burnt out light bulb, and replaced the breaker under warranty. Today, the customer told us the breaker tripped again 48 hours later. It is a regular breaker that is tripping. So we were looking for an overcurrent load. Nothing was plugged in the circuit that would cause it to trip, she didn’t even use her vacuum in the time of when it reset and tripped. So, next we opened all the devices on the circuit to check for a short circuit, but found nothing. The whole time when we were there the breaker did not trip. We set a timer when we initially reset the breaker, and we also did an amp draw of the circuit, and it did read up to a max up to 6 amps, but we believe it to be a false reading.
Blaine A.
Blaine A. Checked in
Today’s visit was for a possible recall of a circuit breaker tripping. Last call one of our technicians replaced a burnt out light bulb, and replaced the breaker under warranty. Today, the customer told us the breaker tripped again 48 hours later. It is a regular breaker that is tripping. So we were looking for an overcurrent load. Nothing was plugged in the circuit that would cause it to trip, she didn’t even use her vacuum in the time of when it reset and tripped. So, next we opened all the devices on the circuit to check for a short circuit, but found nothing. The whole time when we were there the breaker did not trip. We set a timer when we initially reset the breaker, and we also did an amp draw of the circuit, and it did read up to a max up to 6 amps, but we believe it to be a false reading.
University Park, MD 20782
University Park, MD - Supply and replace motion flood light
We remove the odor, broken floodlight and installed a new RAV stealth motion floodlight LED lamps
Nicholas T.
Nicholas T. Checked in
Supply and replace motion flood light We remove the odor, broken floodlight and installed a new RAV stealth motion floodlight LED lamps
University Park, MD 20782
We have determined that the receptacle is controlled by a switch. We recommend having all 2 prong ungrounded receptacles replaced.
We have determined that the receptacle is controlled by a switch. We recommend having all 2 prong ungrounded receptacles replaced.
Michael W.
Michael W. Checked in
We have determined that the receptacle is controlled by a switch. We recommend having all 2 prong ungrounded receptacles replaced.
University Park, MD 20782
We have delivered pricing for the treadmill circuit.
We have delivered pricing for the treadmill circuit.
Michael W.
Michael W. Checked in
We have delivered pricing for the treadmill circuit.
University Park, MD 20782
Installation of customer supplied Emporia monitoring system inside the main panel with a new two pole breaker of power system.
Well, on site, we also replaced the customer supplied light in the laundry room.
Installation of customer supplied Emporia monitoring system inside the main panel with a new two pole breaker of power system.
Well, on site, we also replaced the customer supplied light in the laundry room.
Nicholas T.
Nicholas T. Checked in
Installation of customer supplied Emporia monitoring system inside the main panel with a new two pole breaker of power system. Well, on site, we also replaced the customer supplied light in the laundry room.
University Park, MD 20782
Dennis S.
Dennis S. Checked in
- Installation of customer supplied car charger - Wiring from panel in the basement to the car charger located on the side of the home. -Installation of whole home surge protector to further assist the home in protection against harmful voltage spikes while protection of sensitive appliances (car charger and anything attached to main electrical panel)
University Park, MD 20782
josh@haasandsons.com
josh@haasandsons.com Checked in
-Arrived onsite and met with the tenant who showed us the front stoop light wasn’t working. He said it had gone out a few weeks ago and tried changing the bulb but it didn’t do anything. We pulled the switch out which turned out to be bad, and i capped the two lines together but the light wasn’t working still. I walked out front and there is a gfci at the height where an old coach light would be with a newer gfci in it, that was tripped. Once i reset that, then power spread to the light. We replaced the bulb in the light with a yellow dusk to dawn bulb the tenant gave us, and then i made pricing for one, and for all the switches in the 3 gang to get addressed. We waited a bit because the landlord was in a meeting but once we got to talking i talked to her about the 1 switch or 3 switch options i made up for her, and also recommended replacing the light fixture itself because it is very old, as well as letting her know about the gfci. At first she wanted to replace all 3, but then she t
University Park, MD 20782
Michael W.
Michael W. Checked in
This solution includes the installation of 2 customer supplied fixtures. We have replaced the 2 basement fixtures with new customer supplied fixtures.
University Park, MD 20782
Michael W.
Michael W. Checked in
This solution includes the installation of 2 customer supplied ceiling fans. In addition we shall install a dedicated circuit for microwave. We have installed the 2 new ceiling fans, installed new circuit for appliance in kitchen and installed surge protector at main panel.
University Park, MD 20782
Dennis S.
Dennis S. Checked in
Installation of new two gang switch bank box due to device falling out of wall and the ears being broken on the box itself. We will replace the devices inside of it and also replace the single pole switch at the front of the room (reason for call and power loss today). Replace current tandem breaker for the basement circuit. Tandem breaker is not listed to be installed in panel and recommended for replacement.
University Park, MD 20782
Review
Very helpful!
Lain - University Park, MD 20782
Nicholas T.
Nicholas T. Checked in
Inspected ceiling fan that we installed on a previous visit
University Park, MD 20782
Dennis S.
Dennis S. Checked in
The reason for today’s visit was to provide solutions for a non working gable fan, a switch that was causing lights to flicker, and exhaust fan that was not properly sealed from water protection. When we arrived we saw the issues at hand with the customer. The light on top of the stairwell was arcing causing flickering to the fixture. We then moved to the bathroom and saw the exhaust fan, lights and the access to the gable fan. We noticed that the attic fan did not have proper power and would need a new line ran out with new replacement. The exhaust fan will have to have the Sheetrock opened and removed to properly install a new Panasonic whisper unit along with cutting the old gimbal lights out and replacing with new 4 inch wafers. We also brought up age and concerns with panel and devices in the home and at this time customer would like to talk it over and will call back if interested in moving forward.
University Park, MD 20782
Review
Great Service.
June - University Park, MD 20782
Review
Alex was great
Pat - University Park, MD 20782
Review
Mike does a great job.
John - University Park, MD 20782
Review
Excellent technician and service
John - University Park, MD 20782
Review
Matt was on time, smart and efficient. He walked me through the process and explained everything clearly. He was a pleasure to work with and solved my problem.
Patty - University Park, MD 20782
Review
Alex was prompt, friendly, professional, diagnosed the problem quickly, and went above and beyond to resolve it. I appreciated his service!
Paul - University Park, MD 20782
Review
Excellent service but expensive
John - University Park, MD 20782
Review
I was very impressed with the electricians from Haas & Sons. They were pleasant and efficient. I’m very pleased with their work.
MaryEllen - University Park, MD 20782
Review
Alex was wonderful. He was friendly, professional, efficient and knew what he was doing. Many thanks!
Leish - University Park, MD 20782
Review
Great job
Brandon - University Park, MD 20782
Review
Very prompt, good work
Sarah - University Park, MD 20782
Review
Once again, Mike of Haas and Sons has provided top-notch expertise re: the wiring in our 1936 home in a historic district. Mike sorted out some old weirdness, made it safe and compliant, and upgraded our bathroom light and fan to a more powerful model. It wasn't the first -- and won't be the last -- time we reach out to them for help!
Jen and Laurie - University Park, MD 20782
Review
We had a great experience with Larry. He was very prompt, did great work, and was there to answer any questions we had. Looking forward to having him back the next time we need some help.
Brian - University Park, MD 20782
Review
Helpful and friendly service
Devon - University Park, MD 20782

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