San Francisco City property record for 646 39th Ave, San Francisco, CA 94121
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,515 sqft · built 1917 |
| Lot Size | 0.001 acres (36 sqft) |
| Owner | Company Name on File |
| Tax Bill | $3,991 (2025) |
| APN | 1581-020 |
| Primary APN | 1581-020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,515 sqft Living Area |
| 1st Floor Area | 1,515 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1917 |
|---|---|
| Effective Year Built | Effective 1917 |
| Construction Type | Frame |
| Lot Area | 36 sqft (0.001 acres) |
| Lot Dimensions | 120 ft deep x 30 ft wide |
| Street Address | 646 39TH AVE |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94121-2626 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH2 |
| Legal Description | BLK 321 |
| Legal Subdivision | OUTSIDE LAND BL 321 |
| Legal Block | 1581 |
| Legal Lot Number | 20 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | RICHMOND-PRESIDIO-MARINA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 47903 |
646 39th Ave is owned by a company that acquired it in April 2011 and is owner-occupied.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 646 39TH AVE, SAN FRANCISCO, CA 94121-2626 |
| 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 | Apr 6, 2011 |
| Transfer Doc | K383/0139 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 646 39th Ave was $3,991 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 | $341,872 (+2.02%) Land $227,915 Building $113,957 | |
| 2025 | $3,991.00 (+2.94%) Homeowner's exemption | $335,110 Land $223,415 Building $111,695 |
| 2024 | $3,877.00 (+1.47%) | |
| 2023 | $3,821.00 (+1.81%) Homeowner's exemption | $322,099 Land $214,741 Building $107,358 |
| 2022 | $3,753.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 646 39th 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 646 39th 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 1,819 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile, Verizon.
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