PermitPipeline

Yk Mason & Sons Inc

General contractor · San Francisco permit activity
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General contractor active in San Francisco construction, tracked from public building-permit filings.

#364
by NYC filing activity
among NYC general contractors, last 90 days
8
project records
Mar 2025 to Jul 2026
3/16
active weeks
weeks with a filing (last 16)
8 projects Scopes, declared values and this firm's role on each one See 8 projects involving Yk Mason & Sons
Recent projects involving this firm
West of Twin Peaks
Bathroom remodel, changing tub to shower pan, plumbing and electrical updates as needed
Jul 13, 2026 · otc alterations permit · General contractor
$20K
Sunset/Parkside
New wall to separate garage and family room; legalizing 888 sf with (e) office, (e)bedroom,…
Jun 9, 2026 · otc alterations permit · General contractor
$50K
Inner Richmond
Unit 234 1/2: kitchen remodel, install new circuit breaker to lower unit, adding receptacles to…
May 13, 2026 · otc alterations permit · General contractor
$7K

Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.

See every project involving Yk Mason & Sons → start a 14-day trial
Middle 50% of declared values: $8K–$25K (median $20K) Most recent filing: West of Twin Peaks · Jul 13, 2026 3 active · 3 newly observed last 90 days

Filing activity · last 16 weeks

APR
MAY
JUN
JUL
3
active projects (last 90d)
3
newly observed (last 90d)
Jul 2026
peak month

Project mix · by use

Residential100%

Geography · by borough

Inner Richmond38%
Excelsior25%
Sunset/Parkside25%
West of Twin Peaks12%

Frequently asked questions

How many SF projects has Yk Mason & Sons Inc filed?▾
PermitPipeline tracks 8 San Francisco building-permit projects for Yk Mason & Sons Inc (Mar 2025 to Jul 2026). 3 had filing activity in the last 90 days.
Does Yk Mason & Sons Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Yk Mason & Sons Inc's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Yk Mason & Sons Inc work?▾
38% of Yk Mason & Sons Inc's tracked San Francisco projects are in Inner Richmond.
What is a typical Yk Mason & Sons Inc project worth?▾
Across the 8 tracked projects with a declared value, Yk Mason & Sons Inc averages $19K per project (declared value on the permit filing, not contract value).
Is Yk Mason & Sons Inc a general contractor?▾
Yk Mason & Sons Inc 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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