San Francisco City property record for 666 3rd Ave, San Francisco, CA 94118
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,905 sqft · built 1905 |
| Lot Size | 0.001 acres (30 sqft) |
| Owner | Individual Name on File |
| Last Sale | $2,200,000 (Aug 2024) |
| Tax Bill | $26,826 (2025) |
| Deeds & Mortgages | Jul 2023 Sale & Mortgage |
| APN | 1642-034 |
| Primary APN | 1642-034 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,905 sqft Living Area |
| 1st Floor Area | 1,905 sqft |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1905 |
| Construction Type | Frame |
| Lot Area | 30 sqft (0.001 acres) |
| Street Address | 666 3RD AVE |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94118-3907 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH2 |
| Legal Description | BLK 379 |
| Legal Subdivision | OUTSIDE LAND BL 379 |
| Legal Block | 1642 |
| Legal Lot Number | 34 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | RICHMOND-PRESIDIO-MARINA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 45100 |
666 3rd Ave is owned and occupied by an individual who bought it in August 2024.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 666 3RD AVE, SAN FRANCISCO, CA 94118-3907 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Man |
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 | Aug 30, 2024 · Amount on File |
| Deed Sale | Aug 30, 2024 · Amount on File |
| Prior Sale | Jul 28, 2023 · Amount on File |
| Deed Document Number | 202468034 |
| Prior Transfer Date | Jul 1, 2011 |
| Prior Transfer Doc | K482/0350 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Jul 28, 2023 |
| Property Address | 666 3RD AVE, SAN FRANCISCO, CA 94118-3907 |
| Document Number | 0000056317 |
| Instrument Date | Jul 19, 2023 |
| Instrument | 2023056317 |
| Transaction Type | Transfer |
| Record Updated | Aug 16, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $14,962.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 666 3RD AVE, SAN FRANCISCO, CA 94118-3907 |
| Document Number | 0000056318 |
|---|---|
| Date | Jul 28, 2023 |
| Instrument | 2023056318 |
| Name | ADCOM GROUP INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2053 |
The 2025 property tax bill for 666 3rd Ave was $26,826, up 305.1% 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 | $2,244,000 (+2%) Land $1,346,400 Building $897,600 | |
| 2025 | $26,826.00 (+305.1%) | $2,200,000 Land $1,320,000 Building $880,000 |
| 2024 | $6,622.00 (+1.64%) | |
| 2023 | $6,515.00 (+2.13%) | $488,230 (+2%) Land $331,904 Building $156,326 |
| 2022 | $6,379.00 | $478,658 Land $325,397 Building $153,261 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA has no flood map on file for 666 3rd 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 666 3rd 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 1,574 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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