7790 Central Ave
Pasadena, MD 21122
(443) 396-3797

Local Reviews
for columbia, md

Rated 4.9 out of 5 stars based on 26 customer reviews

great Service

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Great and prompt service!

I called on a Monday, had an appointment for Wednesday, got a call back later in the day and was able to secure a same-day appointment for the technician to come out and do an assessment. He was able to come back on Friday to install the outside plug for our electric car charger. The charger we purchased had not yet arrived yet, but when it did arrive a couple days later, the technician was back to install the charger. I would definitely use Haas & Sons again!

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Great Service

Quality service. Larry was knowledgeable and completed the work quickly.

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Great service done in one visit

The electrician was knowledgeable, efficient and friendly. I will use Haas & Sons again and highly recommend them.

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Haas & Sons Electric

Excellent workmanship and fairly priced. Very courteous and well-spoken.

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Great service!

Larry from Haas & sons did a fantastic job replacing our bathroom exhaust fan. Called ahead, worked effectively and didn’t leave a trace. Very responsive and respectful.

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excellent service

Very friendly and fixed my wiring and installed a new light

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Considerate service

Helped us sort through several electrical concerns and helped us resolve them efficiently answering all questions and concerns.

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Great Service

On time, great service, and fair pricing. What more could you want?

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Great service

Michael is great and we appreciate his service.

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Job Locations
for columbia, md

Larry B.

Larry B. Job Checkin

Remove old panel and install a new 200 amp main breaker panel and new breakers. Update grounding to current code cycle and install a emergency disconnect outside. A surge protector is also required by code. Job requires permit and inspections from county followed by a final tie in from power company. Haas and sons is not responsible for any work that a inspector requires outside of work that was done by company.


Michael W.

Michael W. Job Checkin

This estimate includes the relocation of an existing 30A circuit. We have relocated the 30A circuit for use of the basement heat pump has been relocated to the other main panel. In addition we have installed 2 new surge protectors.


Michael W.

Michael W. Job Checkin

We have installed a new customer supplied ceiling fan in the spare bedroom. In addition we have installed a new cord cap and receptacle on the rear exterior for use of the awning.


Nicholas T.

Nicholas T. Job Checkin

Ran new customer supplied Ethernet line from the main router in the living room down to the new netgear router in the basement.


Alex W.

Alex W. Job Checkin

I vented two existing bathroom exhaust fans in the attic through the roof. I then put roofing tar down and secured the vents I tested both fans and they have a good air flow through the ventilation system 30 day warranty


Larry B.

Larry B. Job Checkin

Installed a new weatherproof receptacle on deck with a in use cover. Power comes from hall receptacle which was replaced with a gfci/afci combo receptacle to protect the outdoor receptacle. Verified proper operation of completed work with customer. Originally was going to install 2 receptacles but customer only wanted to install one at this time so it was removed from quote.


Alex W.

Alex W. Job Checkin

Install customer supplied ceiling fan on 12 foot cathedral ceiling 30 day warranty


Nicholas T.

Nicholas T. Job Checkin

Installed new whole surge protector in the main breaker panel in the basement laundry/ utility room. We install a new 50 amp 240 volt breaker in the top left space and relocated 2 breakers and labeled panel to new locations.


Larry B.

Larry B. Job Checkin

Installed 4 old work 5 inch retrofit cans in 2 bedrooms on main level(8 total). Rewired SCR and switch so it controls lights instead of receptacle. Verified proper operation of all completed work with customer.


Larry B.

Larry B. Job Checkin

Installed a new 50 amp receptacle next to front door fed by a 50 amp gfci breaker for car charger. Also installed a new 20 amp circuit for a quad receptacle in basement and a receptacle and bubble cover next to car charger receptacle. Verified proper operation of all completed work with customer. Will return to hang car charger if needed when it arrives.


Larry B.

Larry B. Job Checkin

Bedroom outlets are wired incorrectly and alternate power depending on position of switch. There is also a receptacle with something stuck inside that needs to be replaced. Rewire switch box and installed a new single pole switch and replaced the bad receptacle. Now all outlets work as there supposed to. The one closest to the switch is operated by the switch and the rest are always on.


Larry B.

Larry B. Job Checkin

Installed a new circuit for dryer using 10 awg copper wire. Installed a new 4 prong receptacle in plac of old 3 prong. Verified proper operation of all completed work.


Nicholas T.

Nicholas T. Job Checkin

Customer is having issues with his 2nd floor bathroom exhaust fan not working properly. After troubleshooting issue I found that the timers that control the fans were not allowing proper voltage to the fans. I tied wires through (bypassing the timers) and the fans still didn’t work properly. I found that the motors in both fans were damaged and need to be replaced along with the timers that control them. I also found that the digital dimmers that controlled the lights in these 2 bathrooms were also damaged, they were only allowing around 100 volts to the lights when fully on. I determined they may have all been damaged at the same time. We found that the main panel did not have surge protection as well. We installed a new whole house surge protector in the main panel and left a quote to replace the bathroom fans on the 2nd floor and to replace the timers and the 2 dimmers.


Larry B.

Larry B. Job Checkin

Remove receptacle in powder room and master bath and install a new gfci in its place. Verified proper operation of all completed work with customer.


Larry B.

Larry B. Job Checkin

Install a customer provided ring doorbell and door lock. Customer will do setup latter on wife’s phone.