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S & A Engineering Design

Architecture firm · San Francisco
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S & A Engineering Design is an architecture firm with 17 tracked San Francisco building-permit projects on record, with the latest filing in that record 26 days ago. Its filings (Feb 2025 to Aug 2026) are concentrated in Mission and Excelsior, 90% residential. A typical project in the record declares $10K–$100K. If you work at S & A Engineering Design, claim this page to add a description.

Filed 26 days ago
#149
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
17
projects
from 45 filings
8/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
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.
Typical project$10K–$100K$50K typical2.9× the SF median ($17K)Last filed26 days agoLone Mountain/USF · Aug 21, 2026Last 90 days5 active3 newly filed

Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026

MAY
JUN
JUL
AUG

Project mix · by use

Commercial10%
Residential90%

Geography · by neighborhood

Mission34%
Excelsior22%
Sunset/Parkside22%
Bernal Heights11%
Castro/Upper Market11%

Shared-project connections

#FirmPrimary roleSharedRelative
1Charles Lee ArchitectsArchitecture1
2DCG IncArchitecture1
3Jason M.J.Chan ArchitectArchitecture1
4Michael Chan CompanyArchitecture1
5WD DesignArchitecture1
1Iy Development & Renovation IncGeneral contractor2
2Zhang General ConstructionGeneral contractor2
3328 ConstructionGeneral contractor1
4Acer-G EngineeringGeneral contractor1
5All Type Remodeling IncGeneral contractor1

Create a free account to see every firm on these projects and how many projects each one shares.

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.
State licenseCalifornia architect #C024211On 12 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 16 in total.
Permit speed15 days
This firm15d
SF median33d
18 days shorter than the SF median
based on 10 firm filings vs 4,334 SF filings

Frequently asked questions

How many SF projects does S & A Engineering Design appear on?▾
PermitPipeline tracks 17 San Francisco building-permit projects for S & A Engineering Design (Feb 2025 to Aug 2026). 5 had filing activity in the last 90 days.
Does S & A Engineering Design work on commercial or residential projects?▾
Across its tracked San Francisco filings, 10% of S & A Engineering Design's projects are commercial and 90% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does S & A Engineering Design work?▾
34% of S & A Engineering Design's tracked San Francisco projects are in Mission.
What is a typical S & A Engineering Design project worth?▾
The median declared value across the 17 San Francisco projects S & A Engineering Design has on record that state one is $50K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as S & A Engineering Design?▾
S & A Engineering Design most frequently appears on the same San Francisco permit filings as Iy Development & Renovation Inc, Zhang General Construction, 328 Construction. Appearing together indicates association on shared filings, not a proven working relationship.
Is S & A Engineering Design an architecture firm?▾
S & A Engineering Design 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 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.
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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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