San Francisco City property record for 1483 Mason St, San Francisco, CA 94133
| Property Type | Care Home (Retirement, Nursing, Convalescent) |
|---|---|
| Details | 1,973 sqft · built 1900 |
| Lot Size | 0.001 acres (20 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,690 (2025) |
| Deeds & Mortgages | Jun 2019 Mortgage |
| APN | 0158-042 |
| Primary APN | 0158-042 |
|---|
| Building Area | 1,973 sqft Gross Area |
|---|---|
| 1st Floor Area | 1,973 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Lot Area | 20 sqft (0.001 acres) |
| Street Address | 1483 MASON ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94133-4283 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Care Home (Retirement, Nursing, Convalescent) |
| Local Zoning Code | NC1 |
| Legal Block | 158 |
| Legal Lot Number | 42 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | DOWNTOWN-NORTHEAST NEIGHBORHOODS-TREASURE ISLAND |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 10800 |
1483 Mason St, a commercial property, is owned by a company.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 25 VAN NESS AVE, 400, SAN FRANCISCO, CA 94102-6051 |
| Owner Type | Company |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Property Address | 1483 MASON ST, SAN FRANCISCO, CA 94133-4283 |
| Document Number | 0K78900254 |
| Instrument Date | Jun 2, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jul 10, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 483 MASON ST SAN FRANCISCO CA 94102, SAN FRANCISCO, CA 94102 |
| Document Number | 0K78900254 |
|---|---|
| Date | Jun 28, 2019 |
| Instrument | K789254 |
| Name | MISCELLANEOUS GOVT AGCY |
|---|
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 1483 Mason St was $1,690.
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 |
|---|---|
| 2025 | $1,690.00 |
| 2023 | $813.00 |
FEMA has no flood map on file for 1483 Mason St.
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 1483 Mason St 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 1,611 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Google Fiber, Sonic Telecom.
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