San Francisco City property record for 655 4th St, San Francisco, CA 94107
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 4 ba · 17,640 sqft · built 1947 |
| Lot Size | 0.005 acres (194 sqft) |
| Owner | Company Name on File |
| Last Sale | $40,000,000 (Jun 2019) |
| Tax Bill | $528,529 (2025) |
| Deeds & Mortgages | Jun 2019 Sale Dec 2017 Transfer + 1 more |
| APN | 3787-026 |
| Primary APN | 3787-026 |
|---|
| Full Baths | 4 Baths |
|---|---|
| Total Rooms | 19 Rooms |
| Stories | 2 Stories |
| Building Area | 17,640 sqft Gross Area |
| 1st Floor Area | 17,640 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Exterior Material | Concrete |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 194 sqft (0.005 acres) |
| Street Address | 655 4TH ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94107-1601 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | MUO |
| Legal Description | BLK 368 |
| Legal Subdivision | 100 VARA BL 368 |
| Legal Block | 3787 |
| Legal Lot Number | 26 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | SOMA-POTRERO-MISSION BAY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 18000 |
655 4th St, an industrial property, is owned by a company that bought it in June 2019.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1 BUSH ST, 500, SAN FRANCISCO, CA 94104-4411 |
| 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.
| Date | Document |
|---|---|
| Jun 25, 2019 | Grant Deed, Transfer ATTORNEY ONLY |
| Dec 21, 2017 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE |
| Dec 21, 2017 | Quit Claim Deed, Mortgage FIRST REPUBLIC BK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 25, 2019 · Amount on File |
| Deed Sale | Jun 25, 2019 · Amount on File |
| Prior Sale | Jan 15, 2008 · Amount on File |
| Deed Document Number | 2019786322 |
| Prior Transfer Date | Jan 10, 2008 |
| Prior Transfer Doc | J557/0029 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Jun 25, 2019 |
| Property Address | 655 4TH ST, SAN FRANCISCO, CA 94107-1601 |
| Document Number | 0K78600322 |
| Instrument Date | Jun 18, 2019 |
| Instrument | K786322 |
| Transaction Type | Transfer |
| Record Updated | Jul 11, 2019 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Tax | $1,200,000.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1 BUSH ST #450 SAN FRANCISCO CA 941044446, 450, SAN FRANCISCO, CA 94104-4446 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Dec 21, 2017 |
| Property Address | 655 4TH ST, SAN FRANCISCO, CA 94107-1601 |
| Document Number | 0K55400951 |
| Instrument Date | Dec 15, 2017 |
| Instrument | K554951 |
| Transaction Type | Transfer |
| Record Updated | Jan 30, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 35 SIDNEY ST MILL VALLEY CA 949411353, MILL VALLEY, CA 94941-1353 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Dec 21, 2017 |
| Property Address | 655 4TH ST, SAN FRANCISCO, CA 94107-1601 |
| Document Number | 0K55400952 |
| Instrument Date | Dec 15, 2017 |
| Instrument | K554952 |
| Transaction Type | Mortgage |
| Record Updated | Nov 20, 2018 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 35 SIDNEY ST MILL VALLEY CA 949411353, MILL VALLEY, CA 94941-1353 |
| Document Number | K55900378 |
|---|---|
| Date | Dec 21, 2017 |
| Instrument | K559378 |
| Name | FIRST REPUBLIC BK |
|---|---|
| Type | Bank |
| Address | 111 PINE ST, SAN FRANCISCO, CA 94111-5602 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 655 4th St was $528,529, up 3% 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 | $45,513,200 (+2%) Land $45,058,068 Building $455,132 | |
| 2025 | $528,529.00 (+2.98%) | $44,620,759 Land $44,174,554 Building $446,205 |
| 2024 | $513,243.00 (+1.46%) | |
| 2023 | $505,856.00 (+1.83%) | $42,888,082 Land $42,459,203 Building $428,879 |
| 2022 | $496,778.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 655 4th 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 655 4th 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 383 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband, Etheric Networks, GeoLinks, Google Fiber, Sail Internet, T-Mobile, Verizon.
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