Mason Kirby Architect Inc is an architecture firm with 18 tracked San Francisco building-permit projects on record, most recently 73 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 73 days ago
#150
by SF filing activity
among SF architects & engineers, 90 days to Aug 16, 2026
18
projects
from 22 filings
5/16
active weeks
weeks with a filing (16 weeks to Aug 16, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$20K Bernal Heights single-family renovation
Grade DFiled 2 months ago · Mason Kirby Architect: architect
Horizontal expansion of first and second floor per section 311. within rear yard. demolition calculations consistent of section 317…
No GC named · Engineer identified
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$362K Mission multifamily renovation
Grade AFiled 5 months ago · Mason Kirby Architect: architect
Vertical addition of 4th story and stair to upper unit, 152 liberty, addition of (n) roof deck at 4th floor, sprinkler entire building with…
GC named · Engineer identified · Specialty contractor identified
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$9K Noe Valley multifamily renovation
Grade DFiled 4 months ago · Mason Kirby Architect: architect
Rear deck renovation. removal of (e) rear sliding patio door and window. replacement of patio door and window with single patio door unit…
GC named · Architect identified · Engineer identified
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15 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 and contact details and full filing histories are part of the paid product.
18 project records for Mason Kirby Architect Inc: addresses, values, project teams
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Typical project$3K–$25K$10K typicalLast filed73 days agoBernal Heights · Jul 29, 2026Last 90 days4 active4 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jul 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Bernal Heights72%
Castro/Upper Market7%
Excelsior7%
Glen Park7%
Mission7%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | N. Y Engineering | Engineering | 5 | |
| 2 | Semco | Engineering | 3 | |
| 3 | Aem | Architecture | 1 | |
| 4 | Architect Mason Kirby | Architecture | 1 | |
| 5 | Double -D Engineering | Engineering | 1 | |
| 1 | Ava Jamshidnejad | General contractor | 5 | |
| 2 | Hugo Tejada/Dba Alpha & Omega Renovation | General contractor | 1 | |
| 3 | K 2 Builders Inc | General contractor | 1 | |
| 4 | Matthew F Barna | General contractor | 1 | |
| 5 | Occidental Express | 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 licenceNot connectedArchitects are licensed by the California Architects Board and engineers by BPELSG. Neither register is part of the San Francisco permit record, and we do not yet read them.
Standing in its cohort#150San Francisco architects and engineers, by filing activity, 90 days to Aug 16, 2026
Declared value on file22 of 22 filingsEvery filing carries a stated value.
Repeat working relationships3 firmsFirms this one appears with on more than one project, out of 12 in total.
Frequently asked questions
How many SF projects has Mason Kirby Architect Inc filed?▾
PermitPipeline tracks 18 San Francisco building-permit projects for Mason Kirby Architect Inc (Mar 2025 to Jul 2026). 4 had filing activity in the last 90 days.
Does Mason Kirby Architect Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Mason Kirby Architect 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 Mason Kirby Architect Inc work?▾
72% of Mason Kirby Architect Inc's tracked San Francisco projects are in Bernal Heights.
What is a typical Mason Kirby Architect Inc project worth?▾
Across the 22 filings that state a declared value, Mason Kirby Architect Inc averages $25K per filing (declared value on the permit filing, not contract value).
Which firms does Mason Kirby Architect Inc work with most often?▾
Mason Kirby Architect Inc most frequently appears on the same San Francisco permit filings as Ava Jamshidnejad, N. Y Engineering, Semco. Appearing together indicates association on shared filings, not a proven working relationship.
Is Mason Kirby Architect Inc an architecture firm?▾
Mason Kirby Architect Inc is listed as an architecture firm 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. Ranking, filing activity, project mix and geography were last recomputed Aug 16, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Verified
Read directly from SF DBI filings.
Photography
Photographs are supplied by the firm.
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