San Francisco City property record for 331 Staples Ave, San Francisco, CA 94112
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,100 sqft · built 1931 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | Individual Name on File |
| Last Sale | $67,000 (Apr 2010) |
| Tax Bill | $3,820 (2025) |
| APN | 3158-042A |
| Primary APN | 3158-042A |
|---|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,100 sqft Living Area |
| 1st Floor Area | 1,100 sqft |
| Year Built | Built 1931 |
|---|---|
| Effective Year Built | Effective 1931 |
| Construction Type | Frame |
| Lot Area | 25 sqft (0.001 acres) |
| Lot Dimensions | 100 ft deep x 25 ft wide |
| Street Address | 331 STAPLES AVE |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94112-1838 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH1 |
| Legal Subdivision | SUNNYSIDE |
| Legal Block | 3158 |
| Legal Lot Number | 42A |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MERCED-MCLAREN |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 31100 |
331 Staples Ave is owned and occupied by an individual who acquired it in August 2012.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 331 STAPLES AVE, SAN FRANCISCO, CA 94112-1838 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Apr 23, 2010 · Amount on File |
| Deed Sale | Apr 23, 2010 · Amount on File |
| Deed Document Number | 2010959009 |
| Deed Book / Page | 128 / 587 |
| Last Transfer Date | Aug 6, 2012 |
| Transfer Doc | K709/0147 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 331 Staples Ave was $3,820 with a homeowner's exemption, up 2.9% 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 | $327,208 (+2.06%) Land $196,261 Building $130,947 | |
| 2025 | $3,820.00 (+2.94%) Homeowner's exemption | $320,619 Land $192,323 Building $128,296 |
| 2024 | $3,711.00 (+1.48%) | |
| 2023 | $3,657.00 (+1.81%) Homeowner's exemption | $308,177 Land $184,858 Building $123,319 |
| 2022 | $3,592.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 331 Staples Ave.
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 331 Staples Ave 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 949 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Sonic Telecom.
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