San Francisco City property record for 3433 21st St, San Francisco, CA 94110
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5 ba · 5,226 sqft · built 1915 |
| Lot Size | 0.002 acres (72 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,000,000 (Jun 1997) |
| Tax Bill | $25,440 (2025) |
| Deeds & Mortgages | Aug 2017 Transfer |
| APN | 3618-065 |
| Primary APN | 3618-065 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 13 Rooms |
| Stories | 3 Stories |
| Building Area | 5,226 sqft Living Area |
| 1st Floor Area | 5,226 sqft |
| Basement Area | 1,020 sqft |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1915 |
| Construction Type | Frame |
| Lot Area | 72 sqft (0.002 acres) |
| Street Address | 3433 21ST ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94110-2212 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH2 |
| Legal Description | MAP C3 10 |
| Legal Subdivision | PORTION MISSION BLOCK #75 |
| Legal Block | 3618 |
| Legal Lot Number | 65 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MISSION-BERNAL |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 20701 |
3433 21st St is owned by a company that bought it in June 1997 and is owner-occupied.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3433 21ST ST, SAN FRANCISCO, CA 94110-2212 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 30, 1997 · Amount on File |
| Deed Sale | Jun 30, 1997 · Amount on File |
| Prior Sale | Apr 8, 1997 · Amount on File |
| Deed Document Number | 1997180294 |
| Deed Book / Page | 914 / 430 |
| Prior Transfer Date | Apr 1, 1997 |
| Prior Transfer Doc | 0000143086 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Aug 11, 2017 |
| Property Address | 3433 21ST ST, SAN FRANCISCO, CA 94110-2212 |
| Document Number | 0K49300737 |
| Instrument Date | Aug 7, 2017 |
| Instrument | K493737 |
| Transaction Type | Transfer |
| Record Updated | Sep 12, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 3433 21ST ST SAN FRANCISCO CA 941102212, SAN FRANCISCO, CA 94110-2212 |
The 2025 property tax bill for 3433 21st St was $25,440 with a homeowner's exemption, up 3% from the year before.
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 | $2,131,609 (+2%) Land $830,645 Building $1,300,964 | |
| 2025 | $25,440.00 (+2.97%) Homeowner's exemption | $2,089,771 Land $814,345 Building $1,275,426 |
| 2024 | $24,707.00 (+1.52%) | |
| 2023 | $24,338.00 (+1.91%) Homeowner's exemption | $2,008,626 Land $782,724 Building $1,225,902 |
| 2022 | $23,881.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 3433 21st St.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
The area around 3433 21st St has no burnable land within ember reach, so its wildfire risk is not rated.
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 1,479 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| 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: GeoLinks, Google Fiber, Sail Internet, Sonic Telecom, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures