San Francisco City property record for 433 Mason St, San Francisco, CA 94102
| Property Type | Parking Garage, Parking Structure |
|---|---|
| Details | 28,184 sqft · built 1959 |
| Lot Size | 0.002 acres (105 sqft) |
| Owner | Company Name on File |
| Last Sale | $100,800,000 (Jan 2017) |
| Tax Bill | $366,652 (2025) |
| Deeds & Mortgages | Jul 2018 Transfer Jan 2017 Sale |
| APN | 0306-003 |
| Primary APN | 0306-003 |
|---|
| Total Rooms | 4 Rooms |
|---|---|
| Stories | 4 Stories |
| Building Area | 28,184 sqft Gross Area |
| 1st Floor Area | 28,184 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Construction Type | Concrete |
| Fire Resistance | Fireproof Reinforced Concrete |
| Lot Area | 105 sqft (0.002 acres) |
| Street Address | 433 MASON ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94102-1722 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Parking Garage, Parking Structure |
| Local Zoning Code | C3G |
| Legal Subdivision | 50 VARA BL 195 |
| Legal Block | 306 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | DOWNTOWN-NORTHEAST NEIGHBORHOODS-TREASURE ISLAND |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 12302 |
433 Mason St, a commercial property, is owned by a company that bought it in January 2017.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1 CHOICE HOTELS CIR, 400, ROCKVILLE, MD 20850-5172 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jul 13, 2018 | Affidavit of Death, Transfer |
| Jan 13, 2017 | Grant Deed, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 13, 2017 · Amount on File |
| Deed Sale | Jan 13, 2017 · Amount on File |
| Prior Sale | May 19, 2016 · Amount on File |
| Deed Document Number | 2017395173 |
| Prior Transfer Date | Jul 12, 2012 |
| Prior Transfer Doc | 0K692/0438 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Jul 13, 2018 |
| Property Address | 433 MASON ST, SAN FRANCISCO, CA 94102-1722 |
| Document Number | 0K63800719 |
| Instrument Date | Jul 11, 2018 |
| Instrument | K638719 |
| Transaction Type | Transfer |
| Record Updated | Aug 2, 2018 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 901 ELSINORE DR PALO ALTO CA 943033412, PALO ALTO, CA 94303-3412 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Jan 13, 2017 |
| Property Address | 433 MASON ST, SAN FRANCISCO, CA 94102-1722 |
| Document Number | 0K39500173 |
| Instrument Date | Jan 13, 2017 |
| Instrument | K395173 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2017 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Amount | Amount on Record |
|---|---|
| Tax | $756,000.00 |
| Amount Accuracy | Full Value |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 433 MASON ST SAN FRANCISCO CA 941021722, SAN FRANCISCO, CA 94102-1722 |
The 2025 property tax bill for 433 Mason St was $366,652, up 3.1% 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 | $29,831,760 (+2%) Land $29,831,760 | |
| 2025 | $366,652.00 (+3.1%) | $29,246,764 Land $29,246,764 |
| 2024 | $355,643.00 (+1.54%) | |
| 2023 | $350,240.00 (+1.89%) | $28,111,078 Land $28,111,078 |
| 2022 | $343,742.00 |
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.
FEMA has no flood map on file for 433 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 433 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 903 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless · Fiber in parts of the area | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, AT&T, GeoLinks, Google Fiber, Sail Internet, Sonic Telecom.
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