Siemans Building Technology
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#51
by NYC filing activity
among NYC architects & engineers, last 90 days
132
project records
Jan 2025 to Jul 2026
11/16
active weeks
weeks with a filing (last 16)
132 projects
Scopes, declared values and this firm's role on each one
See 132 projects involving Siemans Building Technology
Recent projects involving this firm
Chinatown
Revision to 202512111506, consist of 3 new interior doors. permit also establishes the employee…
$2.6M
Mission Bay
Assembly permit associated with pa 202508082619 & 202404129924
$1.0M
Bayview Hunters Point
Bldg: 921. fire only work to add a cellular dialer and to renew initially approved pa#:…
$40K
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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132 project records for Siemans Building Technology: addresses, values, project teams
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Middle 50% of declared values: $10K–$571K (median $67K)
Most recent filing: Chinatown · Jul 21, 2026
8 active · 1 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
8
active projects (last 90d)
1
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Commercial98%
Residential2%
Geography · by borough
Financial District/South Beach57%
Mission Bay21%
Chinatown12%
Bayview Hunters Point5%
Potrero Hill5%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Huntsman Ag | Architecture | 10 | |
| 2 | Asd Sky | Architecture | 10 | |
| 3 | California Electric Design | Engineering | 9 | |
| 4 | Gensler | Architecture | 5 | |
| 5 | Fme Architecture | 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 | Gci, Inc | General contractor | 9 | |
| 5 | M C S Construction Services | General contractor | 8 |
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 Siemans Building Technology filed?▾
PermitPipeline tracks 132 San Francisco building-permit projects for Siemans Building Technology (Jan 2025 to Jul 2026). 8 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?▾
49% 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 359 tracked projects with a declared value, Siemans Building Technology averages $380K per project (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., Huntsman Ag. 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. Updated daily from SF DBI filings.
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