siemens.com25821 Industrial Blvd Suite 300, Hayward, CA 94545
Siemans Building Technology is a general contractor with 133 tracked San Francisco building-permit projects on record, most recently 71 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 71 days ago
#39
by SF filing activity
among SF architects & engineers, 90 days to Aug 16, 2026
133
projects
from 361 filings
10/16
active weeks
weeks with a filing (16 weeks to Aug 16, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$301K Potrero Hill commercial renovation
Grade AFiled 4 months ago · 2 filings · Siemans Building Technology: design firm
Floor 4 to 7: upgrading the finishes to existing elevator lobbies. 1st floor: replacing floor finished and installing new shower glass…
GC named · Architect identified · Design firm identified · 2 engineers identified · 1 anticipated category not yet filed
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$7.5M Financial District/South Beach commercial renovation
Filed 8 months ago · 15 filings · Siemans Building Technology: design firm
14/f: fire only work for the remodel done under. additions are 23 smoke detectors, 1 duct detector, 4 pull stations, 12 modules, 47…
GC named · 2 architects identified · 3 Design firms identified · 5 engineers identified · 2 specialty contractors identified
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$17.1M Mission Bay commercial renovation
Filed 11 months ago · 9 filings · Siemans Building Technology: design firm
Revision to: removal of fsd-5-25 & fsd 5-26 from schedule & plans, mechanical schedule only scope
GC named · Architect identified · 2 Design firms identified · 5 engineers identified · Specialty contractor identified
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130 more
Siemans Building Technology 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.
133 project records for Siemans Building Technology: addresses, values, project teams
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Typical project$9K–$569K$66K typicalLast filed71 days agoOuter Mission · Jul 31, 2026Last 90 days9 active2 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jun 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Commercial98%
Residential2%
Geography · by neighborhood
Financial District/South Beach57%
Mission Bay21%
Chinatown12%
Bayview Hunters Point5%
Potrero Hill5%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Asd/sky | Architecture | 10 | |
| 2 | Gensler | Architecture | 10 | |
| 3 | Huntsman Ag | Architecture | 10 | |
| 4 | California Electric Design | Engineering | 9 | |
| 5 | Amit Wadhwa & Associates | Architecture | 5 | |
| 1 | R L H Fire Protection Inc | General contractor | 16 | |
| 2 | Principal Builders Inc. | General contractor | 15 | |
| 3 | Golden Gate Fire Protection Inc | General contractor | 10 | |
| 4 | Anderson, Rowe & Buckley, Inc. | General contractor | 9 | |
| 5 | Gci, Inc | General contractor | 9 |
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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#39San Francisco architects and engineers, by filing activity, 90 days to Aug 16, 2026
Declared value on file361 of 361 filingsEvery filing carries a stated value.
Repeat working relationships37 firmsFirms this one appears with on more than one project, out of 86 in total.
Frequently asked questions
How many SF projects has Siemans Building Technology filed?▾
PermitPipeline tracks 133 San Francisco building-permit projects for Siemans Building Technology (Jan 2025 to Jul 2026). 9 had filing activity in the last 90 days.
Does Siemans Building Technology work on commercial or residential projects?▾
Across its tracked San Francisco filings, 98% of Siemans Building Technology's projects are commercial and 2% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Siemans Building Technology work?▾
57% of Siemans Building Technology's tracked San Francisco projects are in Financial District/South Beach.
What is a typical Siemans Building Technology project worth?▾
Across the 361 filings that state a declared value, Siemans Building Technology averages $378K per filing (declared value on the permit filing, not contract value).
Which firms does Siemans Building Technology work with most often?▾
Siemans Building Technology most frequently appears on the same San Francisco permit filings as R L H Fire Protection Inc, Principal Builders Inc., Asd/sky. Appearing together indicates association on shared filings, not a proven working relationship.
Is Siemans Building Technology a general contractor?▾
Siemans Building Technology 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. 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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