San Francisco City property record for 1811 Folsom St, San Francisco, CA 94103
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 2 ba · 3,167 sqft · built 1946 |
| Lot Size | 0.001 acres (37 sqft) |
| Owner | Company Name on File |
| Last Sale | $650,000 (Jul 2023) |
| Tax Bill | $10,603 (2025) |
| Deeds & Mortgages | Jun 2026 Mortgage Jul 2023 Sale & Mortgage + 1 more |
| APN | 3550-004 |
| Primary APN | 3550-004 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 3,167 sqft Gross Area |
| 1st Floor Area | 3,167 sqft |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Construction Type | Frame |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 37 sqft (0.001 acres) |
| Street Address | 1811 FOLSOM ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94103-4223 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | M1 |
| Legal Subdivision | PORTION OF MISSION |
| Legal Block | 3550 |
| Legal Lot Number | 4 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MISSION-BERNAL |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 17700 |
1811 Folsom St, an industrial property, is owned by a company that bought it in July 2023.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 268 BUSH ST, SAN FRANCISCO, CA 94104-3503 |
| Owner Type | Company |
| Vesting | Limited Liability 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 10, 2026 | Deed of Trust, Mortgage · Conventional Mortgage SYMETRA LIFE INSURANCE COMPANY |
| Jul 14, 2023 | Grant Deed, Transfer · Commercial Mortgage SILBERSTEIN & CONSTINE HOLDINGS LLC |
| May 19, 2021 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 14, 2023 · Amount on File |
| Deed Sale | Jul 14, 2023 · Amount on File |
| Prior Sale | May 19, 2021 · Amount on File |
| Deed Document Number | 202349410 |
| Prior Transfer Date | Sep 30, 1999 |
| Prior Transfer Doc | 0000733615 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Jun 10, 2026 |
| Property Address | 1811 FOLSOM ST, SAN FRANCISCO, CA 94103-4223 |
| Document Number | 0000055857 |
| Instrument Date | Jun 3, 2026 |
| Instrument | 202655857 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership, 266 |
| Document Number | 0000055857, |
|---|---|
| Date | Jun 10, 2026 |
| Instrument | 202655857 |
| Name | SYMETRA LIFE INSURANCE COMPANY |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate | 6.37% |
|---|---|
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | Jul 14, 2023 |
| Property Address | 1811 FOLSOM ST, SAN FRANCISCO, CA 94103-4223 |
| Document Number | 0000049410 |
| Instrument Date | Jul 11, 2023 |
| Instrument | 2023049410 |
| Transaction Type | Transfer |
| Record Updated | Sep 28, 2023 |
| Title Company | STEWART TITLE, STEWART TITLE GUARANTY CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $4,420.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 268 BUSH ST # 4106, 4106, SAN FRANCISCO, CA 94104-3503 |
| Document Number | 0000049411 |
|---|---|
| Date | Jul 14, 2023 |
| Instrument | 2023049411 |
| Name | SILBERSTEIN & CONSTINE HOLDINGS LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | May 19, 2021 |
| Property Address | 1811 FOLSOM ST, SAN FRANCISCO, CA 94103-4223 |
| Document Number | 0000082099 |
| Instrument Date | May 15, 2021 |
| Instrument | 2021082099 |
| Transaction Type | Transfer |
| Record Updated | Sep 28, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $5,287.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
The 2025 property tax bill for 1811 Folsom St was $10,603.
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 | $1,487,192 (+79.55%) Land $888,080 Building $599,112 | |
| 2025 | $10,603.00 | $828,300 Land $489,724 Building $338,576 |
| 2023 | $10,142.00 (+2.03%) | $796,146 (+2%) Land $470,714 Building $325,432 |
| 2022 | $9,940.00 | $780,540 Land $461,486 Building $319,054 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 1811 Folsom St; there have been 1 flood claim nearby since 2022.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (2022) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 1811 Folsom 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 280 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 |
| 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: Astound Broadband, GeoLinks, Google Fiber, Sonic Telecom, T-Mobile.
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