Byington Electric Corp is a general contractor with 161 tracked San Francisco building-permit projects on record, with the latest filing in that record 19 days ago. Its filings (Jan 2025 to Aug 2026) are concentrated in Marina and Nob Hill, 97% residential. A typical project in the record declares $30K–$38K. If you work at Byington Electric Corp, claim this page to add a description.
Filed 19 days ago
#10
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
161
projects
from 368 filings
14/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$352K Presidio commercial renovation
Grade AActive 5 months ago · Byington Electric: GC
Witness test for existing electrical
GC named · Specialty contractor identified · 1 anticipated category not yet filed
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$40K Marina multifamily renovation
Grade BActive 1 month ago · Byington Electric: GC
Replacement of main service due to fire in building
GC named · Architect identified · Engineer identified · Specialty contractor identified
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$6K Nob Hill multifamily renovation
Grade DActive 1 month ago · Byington Electric: GC
Repair parapet wal where cracked and failed approx. 24 lf x 2 ft high
GC named · Specialty contractor identified
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158 more
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Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
161 project records for Byington Electric Corp: addresses, values, project teams
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Typical project$30K–$38K$38K typical2.2× the SF median ($17K)Last filed19 days agoMarina · Aug 28, 2026Last 90 days25 active4 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial3%
Residential97%
Geography · by neighborhood
Marina28%
Nob Hill26%
Pacific Heights17%
Mission15%
Outer Richmond14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Ecr Engineering | Architecture | 1 | |
| 2 | Michael Harris Architecture | Architecture | 1 | |
| 1 | Joseph Tinsley Plumbing | Plumbing contractor | 5 | |
| 2 | Schwartzbart Plumbing | Plumbing contractor | 2 | |
| 3 | Alliance Roofing Co Inc | General contractor | 1 | |
| 4 | American Home Renewal Inc | General contractor | 1 | |
| 5 | American Standard Roofing Inc | General contractor | 1 |
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCSLB Contractor #253479As filed on 75 permits
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 39 in total.
Permit speed217 days194 days longer than the SF median
based on 36 firm filings vs 4,623 SF filings
based on 36 firm filings vs 4,623 SF filings
Frequently asked questions
How many SF projects does Byington Electric Corp appear on?▾
PermitPipeline tracks 161 San Francisco building-permit projects for Byington Electric Corp (Jan 2025 to Aug 2026). 25 had filing activity in the last 90 days.
Does Byington Electric Corp work on commercial or residential projects?▾
Across its tracked San Francisco filings, 3% of Byington Electric Corp's projects are commercial and 97% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Byington Electric Corp work?▾
28% of Byington Electric Corp's tracked San Francisco projects are in Marina.
What is a typical Byington Electric Corp project worth?▾
The median declared value across the 161 San Francisco projects Byington Electric Corp has on record that state one is $38K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Byington Electric Corp?▾
Byington Electric Corp most frequently appears on the same San Francisco permit filings as Joseph Tinsley Plumbing, Schwartzbart Plumbing, Alliance Roofing Co Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Byington Electric Corp a general contractor?▾
Byington Electric Corp is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Aug 23, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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