San Francisco City property record for 252 12th St, San Francisco, CA 94103
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 1 ba · built 1968 |
| Lot Size | 0.016 acres (699 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $75,748 (2025) |
| Deeds & Mortgages | Sep 2022 Mortgage |
| APN | 3515-037 |
| Primary APN | 3515-037 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Construction Type | Wood |
| Fire Resistance | Special |
| Lot Area | 699 sqft (0.016 acres) |
| Street Address | 252 12TH ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94103 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | M1 |
| Legal Subdivision | MISSION BL 16 |
| Legal Block | 3515 |
| Legal Lot Number | 37 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MISSION-BERNAL |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 17700 |
Source: San Francisco City records, as of September 8, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 108 CRESCENT RD, SAN ANSELMO, CA 94960-2708 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Property Address | 252 12TH ST, SAN FRANCISCO, CA 94103 |
| Transaction Type | Mortgage |
| Record Updated | Sep 28, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000085125 |
|---|---|
| Date | Sep 8, 2022 |
| Instrument | 2022085125 |
| Name | WESTERN ALLIANCE BANK |
|---|---|
| Type | Bank |
| Address | OAKLAND, CA 94612 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: San Francisco City assessment roll, as of September 8, 2026
| Type | Name |
|---|---|
| State | California |
| County / Municipality | San Francisco City |
| Unified School District | San Francisco Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $4,986,829 (+2%) Land $4,951,480 Building $35,349 | |
| 2025 | $75,748.00 (+5.73%) | $4,889,048 (+4.04%) Land $4,854,392 Building $34,656 |
| 2023 | $71,644.00 (+2.17%) | $4,699,202 Land $4,665,891 Building $33,311 |
| 2022 | $70,123.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (2022) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SFPUC CITY DISTRIBUTION DIVISION serves 848,019 people · EPA ID CA3810011 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 510 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Astound Broadband, BAI Connect, GeoLinks, Google Fiber, Sonic Telecom, Starry, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures