2421 03rd St
San Francisco, CA 94107·APN 4109001
Location
Property Details
- APN
- 4109001
- Year Built
- 1924
- Lot Area
- 173,198 sqft
- Units
- 4
- Use Code
- Industrial
- Zoning
- PDR-1-G
- Neighborhood
- Potrero Hill
County records
Tax history
18 years of history| Roll Year | Land | Improvements | Total Assessed | Exemptions |
|---|---|---|---|---|
| 2024 | $1,307,688 | $2,496,433 | $3,804,498 | $0 |
| 2023 | $1,282,048 | $2,447,493 | $3,729,918 | $0 |
| 2022 | $1,256,911 | $2,399,509 | $3,656,640 | $0 |
| 2021 | $1,232,266 | $2,352,468 | $3,584,897 | $0 |
| 2020 | $1,219,632 | $2,613,691 | $3,833,323 | $0 |
| 2019 | $1,195,719 | $1,300,684 | $2,496,573 | $0 |
| 2018 | $1,172,274 | $1,275,189 | $2,447,633 | $0 |
| 2017 | $1,149,290 | $993,058 | $2,142,518 | $0 |
| 2016 | $1,126,756 | $938,961 | $2,065,887 | $0 |
| 2015 | $1,109,832 | $924,858 | $2,034,860 | $0 |
| 2014 | — | — | — | $0 |
| 2013 | $1,083,177 | $902,645 | $1,985,822 | $0 |
| 2012 | $1,061,939 | $884,947 | $1,946,886 | $0 |
| 2011 | $649,903 | $779,025 | $1,429,221 | $0 |
| 2010 | $644,898 | $773,034 | $1,418,225 | $0 |
| 2009 | $646,430 | $774,870 | $1,421,593 | $0 |
| 2008 | $633,757 | $759,680 | $1,393,730 | $0 |
| 2007 | $621,492 | $744,969 | $1,366,754 | $0 |
Tax bill history
Coming soon. We'll show paid / unpaid / delinquent status per installment once tax bill ingestion is enabled.
Building permits
478 permits on file- Apr 6, 2026$0Plumbingissued
tenant improvment renovation of existing 2058 sf space into reasearch lab
- Apr 6, 2026$0Plumbingfiled
tenant improvment renovation of existing 2058 sf space into reasearch lab
- Apr 6, 2026$0Electricalissued
tenant improvement renovation of existing 2058 sq ft space into research laboratory
- Apr 6, 2026$75,000Buildingissued
suite #269: tenant improvement renovation of an existing 2058 sqft space into research laboratory
- Dec 23, 2025$4,000Electricalissued
installing (1) 75kva transformer switch
- Dec 10, 2025$79,000Buildingissued
suite 257-267: install four split heatpump systems
- Dec 3, 2025$1Electricalissued
online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2,500 ft². grounding of new antennas, coax and tray. power from existing panel. remote radios are run on low voltage. .
- Oct 17, 2025$48,750Buildingissued
remove (12) antennas, install (8) new antennas, install (e) remote radios behind antennas. install antennas connector shrouds at existing verizon wireless roof facility.
- Oct 16, 2025$5,670Buildingcomplete
modifty (e) fire suppression system for changes made to cooking equipment. ref t.i. 202505136342.
- Aug 22, 2025$1Buildingfiled
remove "mechanical under separate permit" from bpa #202406275448.
- Aug 18, 2025$148,000Electricalcomplete
plan #6816. non residential solar permit. 100 pv modules, 595 watts per module, 59.5 (dc) kw system. please contact fire inspector at 415-554-8931
- Jul 15, 2025$0Plumbingcomplete
2 floor sink and floor drain and 3 hand sinks,
- Jul 15, 2025$0Electricalcomplete
new lights, switches, and receptacles. ansul sep permit.
- Jul 15, 2025$208,760Buildingcomplete
commerical ti: interior remodel of (e) restaurant space. non bearing partitions, finishes & furnishing + lighting in dining areas. remove (e) bar for smaller service bar. accessibility improvements at bathroom & entry. (e) commercial kitchen to remain, repair finishes. no mechanical work
- Jul 8, 2025—Plumbingcomplete
work category: 5p; replace lateral drain and house trap .
- May 30, 2025—Plumbingcanceled
work category: 1p; removal and decommission of (2) boilers: boiler# 4 (sn 17043085t) & boiler# 5 (sn 17043075t).
- Apr 30, 2025$0Plumbingcomplete
rough underground plumbing, water lines and finish plumbing.
- Apr 30, 2025$0Electricalcomplete
electrical work for 2 new bathrooms and lights.
- Apr 30, 2025$56,781Buildingissued
relocate tenant demising partition between 2 existing retail spaces. relocate existing tenant bathrooms.
- Apr 10, 2025—Plumbingcomplete
work category: 4pb; modification of fire sprinkler system for new tenant improvements. 10 new fire sprinkler heads.
About this record
Property data is sourced from the City and County of San Francisco's open data portals (parcels and assessor secured roll). This page is a public information summary and is not an official property record. For authoritative records, consult sfassessor.org or the SF Office of the Assessor-Recorder.