San Francisco City property record for 421 Cornwall St, San Francisco, CA 94118
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 4 ba · 3,470 sqft · built 1923 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,280,000 (May 2026) |
| Tax Bill | $3,672 (2025) |
| Deeds & Mortgages | May 2026 Sale |
| APN | 1428-048 |
| Primary APN | 1428-048 |
|---|
| Full Baths | 4 Baths |
|---|---|
| Total Rooms | 12 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,470 sqft Living Area |
| 1st Floor Area | 3,470 sqft |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1923 |
| Construction Type | Frame |
| Lot Area | 25 sqft (0.001 acres) |
| Lot Dimensions | 100 ft deep x 25 ft wide |
| Street Address | 421 CORNWALL ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94118-1353 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | RH2 |
| Legal Description | BLK 177 |
| Legal Block | 1428 |
| Legal Lot Number | 48 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | RICHMOND-PRESIDIO-MARINA |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 40100 |
Source: San Francisco City records, as of September 8, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 2054 19TH AVE, SAN FRANCISCO, CA 94116-1252 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 11, 2026 · Amount on Record |
| Deed Sale | May 11, 2026 · Amount on Record |
| Deed Document Number | 202645194 |
| Prior Transfer Date | Mar 14, 2025 |
| Prior Transfer Doc | 0000021285 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | May 11, 2026 |
| Property Address | 421 CORNWALL ST, SAN FRANCISCO, CA 94118-1353 |
| Document Number | 0000045194 |
| Instrument Date | May 7, 2026 |
| Instrument | 2026.45194 |
| Transaction Type | Transfer |
| Record Updated | May 28, 2026 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $969,600.00 |
| Amount Accuracy | Estimated Sale Price |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 2054 19TH AVE, SAN FRANCISCO, CA 94116-1252 |
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 | $200,236 (+1.96%) Land $80,089 Building $119,919 | |
| 2025 | $3,672.00 (+9.09%) | $196,387 (+3.91%) Land $78,519 Building $117,568 |
| 2023 | $3,366.00 (+3.57%) | $188,990 Land $75,471 Building $113,519 |
| 2022 | $3,250.00 |
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.
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 1,173 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| 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, GeoLinks, Sonic Telecom.
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