San Francisco City property record for 1663 20th Ave, San Francisco, CA 94122
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,098 sqft · built 1924 |
| Lot Size | 0.001 acres (30 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,400 (2025) |
| APN | 1923-010A |
| Primary APN | 1923-010A |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,098 sqft Living Area |
| 1st Floor Area | 2,098 sqft |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Construction Type | Frame |
| Lot Area | 30 sqft (0.001 acres) |
| Street Address | 1663 20TH AVE |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94122-3435 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH2 |
| Legal Block | 1923 |
| Legal Lot Number | 10A |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | SUNSET |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 32602 |
Source: San Francisco City records, as of September 8, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1663 20TH AVE, SAN FRANCISCO, CA 94122-3435 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 21, 1997 |
| Transfer Doc | 0000186213 |
| Record Updated | Oct 29, 2026 |
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 | $204,684 (+2.02%) Land $52,302 Building $152,382 | |
| 2025 | $2,400.00 (+4.39%) Homeowner's exemption | $200,628 (+4.04%) Land $51,259 Building $149,369 |
| 2023 | $2,299.00 (+1.82%) Homeowner's exemption | $192,840 Land $49,269 Building $143,571 |
| 2022 | $2,258.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 1,892 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 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, Verizon.
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