San Francisco City property record for 1439 42nd Ave, San Francisco, CA 94122
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,350 sqft · built 1939 |
| Lot Size | 0.001 acres (30 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $401,200 (Nov 1994) |
| Tax Bill | $6,584 (2025) |
| APN | 1811-007 |
| Primary APN | 1811-007 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,350 sqft Living Area |
| 1st Floor Area | 1,350 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Architectural Style | Mediterranean |
| Construction Type | Frame |
| Lot Area | 30 sqft (0.001 acres) |
| Lot Dimensions | 120 ft deep x 25 ft wide |
| Heating System | Gravity Furnace |
|---|
| Street Address | 1439 42ND AVE |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94122-3039 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH1 |
| Legal Block | 1811 |
| Legal Lot Number | 7 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | SUNSET |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 35101 |
1439 42nd Ave is owned and occupied by two individuals who bought it in November 1994.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1439 42ND AVE, SAN FRANCISCO, CA 94122-3039 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Nov 17, 1994 · Amount on File |
| Deed Sale | Nov 17, 1994 · Amount on File |
| Prior Sale | Sep 9, 1994 · Amount on File |
| Deed Document Number | 1994713848 |
| Deed Book / Page | 260 / 1 |
| Prior Transfer Date | Aug 18, 1994 |
| Prior Transfer Doc | 0000668372 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1439 42nd Ave was $6,584 with a homeowner's exemption.
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 | $505,432 (+2.01%) Land $342,666 Building $162,766 | |
| 2025 | $6,584.00 Homeowner's exemption | $495,483 Land $335,929 Building $159,554 |
| 2023 | $6,292.00 (+2.18%) Homeowner's exemption | $476,245 Land $322,886 Building $153,359 |
| 2022 | $6,158.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 1439 42nd Ave; 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 1439 42nd 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 1,375 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Verizon.
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