contractors.fyi
Sign in

Byington Electric Corp

Panel upgrade electrician working in San Francisco. Licensed since 1968.

  • License active
  • Workers' comp on file

199 jobs on San Francisco permits, 2021 to 2026: 197 panel upgrades, 2 EV charger installations. 8th 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 253479, active in the state's records on Sep 23, 2026ElectricalNo 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 1968
Jobs on record199 jobs on San Francisco permits, 2021 to 2026: 197 panel upgrades, 2 EV charger installations8th 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 253479 on CSLB

Cost and timing

Permit value (not a price)

Most of their recent permits list $2,000

35 of their 54 panel upgrade permits with a value in the last 12 months list exactly that, which looks like a set figure rather than a price. 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

63 jobs in the last 12 months, up from 55 the year before

Q3 2021: 1 jobQ4 2021: 3 jobsQ1 2022: 3 jobsQ2 2022: 5 jobsQ3 2022: 3 jobsQ4 2022: 15 jobsQ1 2023: 3 jobsQ2 2023: 7 jobsQ3 2023: 4 jobsQ4 2023: 5 jobsQ1 2024: 10 jobsQ2 2024: 4 jobsQ3 2024: 18 jobsQ4 2024: 4 jobsQ1 2025: 7 jobsQ2 2025: 27 jobsQ3 2025: 17 jobsQ4 2025: 16 jobsQ1 2026: 30 jobsQ2 2026: 13 jobsQ3 2026: 4 jobsBusiest: 30 jobs20222023202420252026
Each bar is 3 months of permits. The tallest is 30 jobs, January to March 2026. Across San Francisco, all contractors together had 21% fewer panel upgrade jobs in the last 12 months than in the 12 months before.

Where they work most

  • 9410956 jobs
  • 9412129 jobs
  • 9411427 jobs
  • 9410321 jobs
  • 9411715 jobs

Jobs by kind of work

Latest jobs

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

DateWorkZIP
Aug 24, 2026Panel upgradeReplacement of knob and tube wiring, with bath and kitchen remodel, and new sub panel94123
Aug 10, 2026Panel upgradeLike for like 200amp service due to insurance94123
Jul 22, 2026Panel upgradeReplaced federal pacific sub panel and bathroom remodel94123
Jul 15, 2026Panel upgradeReplaced challenger breaker panel94110
Jun 29, 2026EV chargerInstalled new ev charger94109
Jun 24, 2026Panel upgradeLike for like replacement of 200amp service to remove fuses94118
Jun 23, 2026Panel upgradeLike for like replacement of 200amp service equipment for insurance req94121
Jun 11, 2026Panel upgradeUnit remodel with added sub panel and partial garage conversion94131
May 20, 2026Panel upgrade (×2, same day)94114
May 20, 2026Panel upgradeReplaced panel in unit #20594114
May 20, 2026Panel upgrade (×4, same day)94114
May 20, 2026Panel upgrade94114
May 20, 2026Panel upgrade94114
Feb 23, 2026Panel upgrade (×2, same day)94115
Feb 23, 2026Panel upgrade94115
Feb 23, 2026Panel upgrade (×3, same day)94115
Feb 23, 2026Panel upgrade94115
Feb 23, 2026Panel upgrade94115
Feb 13, 2026Panel upgradeReplaced outlets in kitchen, bathroom remodel, and new sub panel unit #194121
Feb 10, 2026Panel upgradeLike for like replacement of challenger brand panels in alley in reference to survey permit…94123
Feb 6, 2026Panel upgradeLike for like replacement of 200amp service per insurance request94122
Jan 28, 2026Panel upgradeKitchen/bath remodel with new subpanel in #394121
Jan 27, 2026Panel upgrade94109
Jan 27, 2026Panel upgrade94109
Jan 27, 2026Panel upgrade (×3, same day)94109
Jan 27, 2026Panel upgrade94109
Jan 27, 2026Panel upgrade (×4, same day)94109
Jan 27, 2026Panel upgrade (×2, same day)94109
Jan 27, 2026Panel upgrade (×2, same day)94109
Jan 27, 2026Panel upgradeReplacement of federal pacific panel in #10394109
Jan 27, 2026Panel upgradeReplaced federal pacific sub panelin #10294109
Jan 27, 2026Panel upgrade94109
Jan 15, 2026Panel upgradeUnit remodel with kitchen, bath, and new sub panel94109
Dec 8, 2025Panel upgradeKitchen and bathroom remodel with new sub panel94122
Nov 11, 2025Panel upgradeSurvey for future service upgrade94109
Nov 6, 2025Panel upgradeSurvey for panel replacement and main 400amp disconnect per insurance request94123
Oct 22, 2025Panel upgradeReplaced federal pacific main panels94131
Oct 22, 2025Panel upgradeReplaced federal pacific panel94131
Oct 15, 2025Panel upgradeReplaced federal pacific panel in unit #10194121
Oct 15, 2025Panel upgrade94121

What to ask before you hire

About Byington Electric Corp

  • 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 Byington Electric Corp

Five quick questions. We pass your request to Byington Electric Corp.

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 Byington Electric Corp. 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 94109 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.