Mason Kirby Architect Inc
Architecture firm · San Francisco permit activity
Architecture firm active in San Francisco construction, tracked from public building-permit filings.
#93
by NYC filing activity
among NYC architects & engineers, last 90 days
18
project records
Mar 2025 to Jul 2026
5/16
active weeks
weeks with a filing (last 16)
18 projects
Scopes, declared values and this firm's role on each one
See 18 projects involving Mason Kirby Architect
Recent projects involving this firm
Bernal Heights
Horizontal expansion of first and second floor per section 311. within rear yard. demo…
$20K
Bernal Heights
Horizontal expansion of first and second floor per section 311. within rear yard. demo…
$20K
Excelsior
Legalize existing ground floor sleeping and bath area including replacing existing solid entry…
$100
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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18 project records for Mason Kirby Architect: addresses, values, project teams
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Middle 50% of declared values: $3K–$25K (median $10K)
Most recent filing: Bernal Heights · Jul 29, 2026
6 active · 6 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
6
active projects (last 90d)
6
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by borough
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 | 2 | |
| 3 | Aem | Architecture | 1 | |
| 4 | Architect Mason Kirby | Architecture | 1 | |
| 5 | Double -D Engineering | Engineering | 1 | |
| 1 | Ava Jamshidnejad | General contractor | 5 | |
| 2 | Matthew F Barna | General contractor | 1 | |
| 3 | Occidental Express | General contractor | 1 | |
| 4 | Sean Kelly Construction | General contractor | 1 | |
| 5 | Wing On Construction Inc | General contractor | 1 |
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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). 6 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?▾
56% 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 tracked projects with a declared value, Mason Kirby Architect Inc averages $25K per project (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 N. Y Engineering, Ava Jamshidnejad, 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. Updated daily from SF DBI filings.
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