San Francisco City property record for 25 Keystone Way, San Francisco, CA 94127
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,485 sqft · built 1927 |
| Lot Size | 0.001 acres (32 sqft) |
| Owner | Company Name on File |
| Tax Bill | $10,113 (2025) |
| APN | 3281-017 |
| Primary APN | 3281-017 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,485 sqft Living Area |
| 1st Floor Area | 1,485 sqft |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1927 |
| Construction Type | Frame |
| Lot Area | 32 sqft (0.001 acres) |
| Street Address | 25 KEYSTONE WAY |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94127-2717 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH1D |
| Legal Subdivision | MT DAVIDSON MANOR |
| Legal Block | 3281 |
| Legal Lot Number | 17 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MERCED-MCLAREN |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 30900 |
25 Keystone Way is owned by a company that acquired it in October 2010 and is owner-occupied.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 25 KEYSTONE WAY, SAN FRANCISCO, CA 94127-2717 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
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 Transfer Date | Oct 12, 2010 |
| Transfer Doc | K247/0272 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 25 Keystone Way was $10,113 with a homeowner's exemption, up 45.9% 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 | $857,759 (+2%) Land $597,368 Building $260,391 | |
| 2025 | $10,113.00 (+45.89%) Homeowner's exemption | $840,905 Land $585,633 Building $255,272 |
| 2024 | $6,932.00 (+3.37%) | |
| 2023 | $6,706.00 (+1.91%) Homeowner's exemption | $561,975 Land $387,609 Building $174,366 |
| 2022 | $6,580.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 25 Keystone Way; 1 flood insurance policy is in force nearby.
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 | 1 in force |
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.
The area around 25 Keystone Way 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 1,270 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, AT&T, Etheric Networks, Sonic Telecom, Unwired.
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