San Francisco City property record for 3700 20th St, San Francisco, CA 94110
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 25 ba · 15,369 sqft · built 1925 |
| Lot Size | 0.001 acres (59 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $27,034 (2025) |
| APN | 3598-009 |
| Primary APN | 3598-009 |
|---|
| Full Baths | 25 Baths |
|---|---|
| Total Rooms | 55 Rooms |
| Units | 25 Units |
| Stories | 3 Stories |
| Building Area | 15,369 sqft Living Area |
| 1st Floor Area | 15,369 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Lot Area | 59 sqft (0.001 acres) |
| Lot Dimensions | 56 ft deep x 104 ft wide |
| Garage Type | Basement |
| Street Address | 3700 20TH ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94110-2265 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | RM2 |
| Legal Description | BLK 77 |
| Legal Subdivision | PORTION OF MISSION |
| Legal Block | 3598 |
| Legal Lot Number | 9 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MISSION-BERNAL |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 20701 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 105 ROBLAR AVE, HILLSBOROUGH, CA 94010-6843 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Feb 22, 2016 |
| Transfer Doc | 000K221675 |
| 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 | $2,186,055 (+1.93%) Land $765,664 Building $1,409,593 | |
| 2025 | $27,034.00 (+2.97%) | $2,144,618 (+3.72%) Land $750,631 Building $1,381,928 |
| 2024 | $26,255.00 (+2.24%) | |
| 2023 | $25,679.00 (+2.03%) | $2,067,793 Land $721,484 Building $1,346,309 |
| 2022 | $25,167.00 |
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 1,479 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, Google Fiber, Sail Internet, Sonic Telecom, T-Mobile.
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