contractors.fyi
Sign in

Firm Construction Company

Panel upgrade electrician based in South San Francisco. Licensed since 1992.

  • License active
  • Workers' comp on file

15 jobs on San Francisco permits, 2022 to 2026: 12 panel upgrades, 2 remodels, 1 ADU. 293rd most panel upgrade permits of 1,063 contractors in San Francisco.

What the public records show

From the state's license records and the city's permits, one question at a time.

QuestionRecords showMark
Licensed?License 652070, active in the state's records on Sep 23, 2026General building, low voltage, electrical, plumbingNo complaints or citations on the board's public record.Checks out
Workers' comp?Workers' comp policy on file with the stateThis covers their crew if someone is hurt. It is not insurance for your home.On file
In business?Licensed since 1992
Jobs on record15 jobs on San Francisco permits, 2022 to 2026: 12 panel upgrades, 2 remodels, 1 ADUThey are based in South San Francisco. Work outside San Francisco is not in these records.293rd most panel upgrade permits of 1,063 licensed contractors in San Francisco. That counts jobs, not quality.Our San Francisco permit records cover September 2021 to September 2026.

Records: the state license board and City of San Francisco permits.

State license board record

No complaints or citations on the board's public record.

Source: California Contractors State License Board, checked Oct 4, 2026. Look up license 652070 on CSLB

Cost and timing

Permit value (not a price)

Their typical permit lists $20,000 (half list more, half less)

That is the figure written on the permit form, which can be far from what you pay. What panel upgrade jobs cost in San Francisco.

Get 2 or 3 written quotes.

Permit timeline

Across San Francisco, a panel upgrade permit stays open about 77 days, from permit to final inspection

This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. The permit itself is usually issued the same day. How long panel upgrade jobs take.

Track record

Jobs per quarter

Q4 2022: 1 jobQ2 2023: 3 jobsQ3 2023: 4 jobsQ3 2024: 4 jobsQ1 2026: 1 jobQ3 2026: 2 jobsBusiest: 4 jobsLatest: 2 jobs2023202420252026
Each bar is 3 months of permits. The tallest is 4 jobs, July to September 2023.

Where they work most

  • 941186 jobs
  • 941215 jobs
  • 941342 jobs
  • 941122 jobs

Jobs by kind of work

Latest jobs

Permit values are what the contractor wrote on the permit form, not what the owner paid.

A row marked ×2 or more stands for that many similar jobs on one day in one ZIP code.

DateWorkZIPOn the permit form
Sep 1, 2026Panel upgrade1st floor - replaced meter socket badly corroded and 100 amp service breaker corroded94134$3,000
Sep 1, 2026Panel upgradeLower unit - legalize adu unit lower below as per building permit #202604109210 and #201904168050.…94112$15,000
Jan 23, 2026Panel upgradeTo comply with nov 202650083: install 5 light fixtures exterior bldg, enclose electrical panel to…94121$2,500
Aug 27, 2024Panel upgrade (×4, same day)94121$20,000 each
Jul 25, 2023Panel upgradeTo ammend permit e202307148094 to add 200 amp service panel board, fees paid under (e) permit94118not stated
Jul 14, 2023Panel upgradeRewire the entire houe (meter) of common area to replace knob and tube94118not stated
Jul 14, 2023Panel upgradeRewire the entire unit to remove the knob and tube94118not stated
Jul 5, 2023RemodelUnits 646/648-convert closet to full bathrm, plumb/elec, replace dry rot/termite damaged wood (non…94118$50,000
May 12, 2023ADUPer ordiance 95-17, scope of work is to legalize an existing unwarranted accessory dwelling unit…94112$25,545
Apr 20, 2023RemodelNo details on the permit94118$150,000
Apr 20, 2023Panel upgradeSame work for both units 646 & 648: rewiring entire home to replace knob/tube wiring94118$50,000
Oct 17, 2022Panel upgradeKitchen rewiring due to kitchen renovation includes installation of subpanel to accomodate new…94134not stated

What to ask before you hire

About Firm Construction Company

  • Ask what the warranty covers and for how long, in writing.

Worth asking any panel upgrade electrician

  • Can you show me proof of liability insurance and your bond?
  • What size panel, and does the utility need to change the service to my house?
  • Who arranges the power shutoff with the utility?
  • Who pulls the permit, and who meets the inspector?

Get a quote from Firm Construction Company

Five quick questions. We pass your request to Firm Construction Company.

You decide who to hire. Your details go only to the contractors you pick. How we use your details

1. Where is the job?

We match contractors who work near it. We never ask for your street address.

2. What do you need?

Pick any that fit.

3. When do you want to start?
4. What is your rough budget?

A range is fine. It helps contractors reply with a real number.

5. Where should we send it?

Your contact details go only to who you pick here.

Sent. We have your request.

We pass it to Firm Construction Company. Replies usually come within a few days.

Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.

Open your job room

More panel upgrade electricians near 94118 and 94121

See all 1,063 panel upgrade electricians in San Francisco, ranked by jobs

Run this business? Claim this page to get requests by email and reply to homeowners here.

Is this your business? Correct a record or add your warranty terms. It is free.

We check every change before it goes on the page, usually within a week, and may call to confirm you run the business.