Andy Tan
Engineering firm · San Francisco permit activity
Engineering firm active in San Francisco construction, tracked from public building-permit filings.
#699
by SF filing activity
among SF architects & engineers, last 90 days
4
projects tracked
Jan 2025 to Jul 2026
2/16
active weeks
weeks with a filing (last 16)
1 of the 4 Andy Tan projects filed new permits in the last 30 days.
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$40K Oceanview/Merced/Ingleside renovation
Filed 28 days ago · 2 filings · Andy Tan: engineer
Ref to bldg & pp add lights & receptacles at kitchen, living & entrance
GC named · 2 other firms identified
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$40K Sunset/Parkside renovation
Filed 9 months ago · 2 filings · Andy Tan: engineer
Revision to, reduce scope of work delete kitchen work
GC named · 1 other firm identified
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$1K Oceanview/Merced/Ingleside renovation
Filed Apr 2025 · Andy Tan: engineer
Revision to: add an electric fire place at living rm at 2nd fl
GC named · 1 other firm identified
View project details →
1 more
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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.
4 project records for Andy Tan: addresses, values, project teams
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Middle 50% of declared values: $2K–$40K (median $40K)
Most recent filing: Oceanview/Merced/Ingleside · Jul 8, 2026
1 active · 1 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
1
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Oceanview/Merced/Ingleside50%
Inner Sunset25%
Sunset/Parkside25%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| None on shared filings. | ||||
| 1 | Homeowner's Permit | General contractor | 1 | |
| 2 | Ren Construction Inc | General contractor | 1 | |
| 3 | Sure, Inc. | General contractor | 1 | |
| 4 | Ze Sheng Liao | 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 Andy Tan filed?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Andy Tan (Jan 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Andy Tan work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Andy Tan'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 Andy Tan work?▾
50% of Andy Tan's tracked San Francisco projects are in Oceanview/Merced/Ingleside.
What is a typical Andy Tan project worth?▾
Across the 7 tracked projects with a declared value, Andy Tan averages $12K per project (declared value on the permit filing, not contract value).
Which firms does Andy Tan work with most often?▾
Andy Tan most frequently appears on the same San Francisco permit filings as Ze Sheng Liao, Sure, Inc., Ren Construction Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Andy Tan an engineering firm?▾
Andy Tan is listed as an engineering 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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