Yk Mason & Sons Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#364
by SF filing activity
among SF general contractors, last 90 days
8
projects tracked
Mar 2025 to Jul 2026
3/16
active weeks
weeks with a filing (last 16)
1 of the 8 Yk Mason & Sons projects filed new permits in the last 30 days.
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$50K Sunset/Parkside renovation
Filed 1 month ago · Yk Mason & Sons: GC
New wall to separate garage and family room; legalizing 888 sf with (e) office, (e)bedroom, (e)family room; on 2/f: change (e)kitchen to…
GC named
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$7K Inner Richmond renovation
Filed 2 months ago · Yk Mason & Sons: GC
Unit 234 1/2: kitchen remodel, install new circuit breaker to lower unit, adding receptacles to kitchen counter, new kitchen cabinets…
GC named
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$8K Excelsior renovation
Filed 5 months ago · Yk Mason & Sons: GC
Recommencement and completion of work approved under
GC named
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5 more
Yk Mason & Sons projects with project intelligence
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 and contact details and full filing histories are part of the paid product.
8 project records for Yk Mason & Sons: addresses, values, project teams
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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 neighborhood
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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