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FirmsSF general contractorsMartin Sign Co Inc.
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Martin Sign Co Inc.

General contractor · San Francisco
martinsign.com(415) 525-3632LinkedIn1455 Yosemite Ave, San Francisco, CA 94124

Martin Sign Co Inc. is a general contractor with 23 tracked San Francisco building-permit projects on record, with the latest filing in that record 79 days ago. Its filings (Jan 2025 to May 2026) are concentrated in Financial District/South Beach and Chinatown, 100% commercial. A typical project in the record declares $2K–$2.1M. If you work at Martin Sign Co Inc., claim this page to add a description.

Filed 79 days ago
#1,489
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
23
projects
from 73 filings
2/16
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$2K–$2.1M$4K typical23% of the SF median ($17K)Last filed79 days agoFinancial District/South Beach · Jun 29, 2026Last 90 days0 active0 newly filed

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

MAY
JUN
JUL
AUG

Project mix · by use

Commercial100%

Geography · by neighborhood

Financial District/South Beach65%
Chinatown13%
Hayes Valley13%
Inner Richmond5%
Outer Richmond4%

Shared-project connections

#FirmPrimary roleSharedRelative
1Innovative MechanicalEngineering6
2Ashley MillerArchitecture3
3Decker ElectricEngineering3
4Ia Interior ArchitectsArchitecture3
5California Electric DesignEngineering1
1SC Builders, IncGeneral contractor6
2Rapid Fire Safety&Security LLC Dba PafaGeneral contractor5
3Walschon Fire Protection IncGeneral contractor4
4Golden Gate FireGeneral contractor3
5Pacific Auxiliary Fire AlarmDesign2

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 licenseCSLB Contractor #980058As filed on 18 permits
Repeat working relationships9 firmsFirms this one appears with on more than one project, out of 15 in total.
Permit speed33 days
This firm33d
SF median23d
10 days longer than the SF median
based on 9 firm filings vs 4,623 SF filings

Frequently asked questions

How many SF projects does Martin Sign Co Inc. appear on?
PermitPipeline tracks 23 San Francisco building-permit projects for Martin Sign Co Inc. (Jan 2025 to May 2026). 0 had filing activity in the last 90 days.
Does Martin Sign Co Inc. work on commercial or residential projects?
Across its tracked San Francisco filings, 100% of Martin Sign Co Inc.'s projects are commercial and 0% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Martin Sign Co Inc. work?
65% of Martin Sign Co Inc.'s tracked San Francisco projects are in Financial District/South Beach.
What is a typical Martin Sign Co Inc. project worth?
The median declared value across the 22 San Francisco projects Martin Sign Co Inc. has on record that state one is $4K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Martin Sign Co Inc.?
Martin Sign Co Inc. most frequently appears on the same San Francisco permit filings as Innovative Mechanical, SC Builders, Inc, Rapid Fire Safety&Security LLC Dba Pafa. Appearing together indicates association on shared filings, not a proven working relationship.
Is Martin Sign Co Inc. a general contractor?
Martin Sign Co 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 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

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