PermitPipeline

Andy Tan

Engineering firm · San Francisco permit activity
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Engineering firm active in San Francisco construction, tracked from public building-permit filings.

#699
by NYC filing activity
among NYC architects & engineers, last 90 days
4
project records
Jan 2025 to Jul 2026
2/16
active weeks
weeks with a filing (last 16)
4 projects Scopes, declared values and this firm's role on each one See 4 projects involving Andy Tan
Recent projects involving this firm
Oceanview/Merced/Ingleside
Ref to bldg pa# 202605282109 & pp 20260708072 add lights & receptacles at kitchen, living &…
Jul 8, 2026 · otc alterations permit · Engineer · 2 filings
$40K
Sunset/Parkside
Revision to 202508284150, reduce scope of work delete kitchen work
Oct 31, 2025 · otc alterations permit · Engineer · 2 filings
$40K
Oceanview/Merced/Ingleside
Revision to 202411014226: add an electric fire place at living rm at 2nd fl
Apr 14, 2025 · otc alterations permit · Engineer
$1K

Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.

See every project involving Andy Tan → start a 14-day trial
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 borough

Oceanview/Merced/Ingleside50%
Inner Sunset25%
Sunset/Parkside25%

Shared-project connections

#FirmPrimary roleSharedRelative
None on shared filings.
1Homeowner's PermitGeneral contractor1
2Ren Construction IncGeneral contractor1
3Sure, Inc.General contractor1
4Ze Sheng LiaoGeneral contractor1
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 Homeowner's Permit, Ren Construction Inc, Sure, 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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