San Francisco City property record for 1086 Folsom St, San Francisco, CA 94103
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 1 ba · 5,500 sqft · built 1928 |
| Lot Size | 0.001 acres (20 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $4,450 (2025) |
| APN | 3731-122 |
| Primary APN | 3731-122 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 6 Rooms |
| Stories | 3 Stories |
| Building Area | 5,500 sqft Gross Area |
| 1st Floor Area | 5,500 sqft |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 20 sqft (0.001 acres) |
| Lot Dimensions | 80 ft deep x 25 ft wide |
| Street Address | 1086 FOLSOM ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94103-4022 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | SLR |
| Legal Description | MAP A7 7 |
| Legal Subdivision | 100 VARA BL 395 |
| Legal Block | 3731 |
| Legal Lot Number | 122 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | SOMA-POTRERO-MISSION BAY |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 17804 |
1086 Folsom St, an industrial property, is held in a trust since September 2008.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 357 MOSELEY RD, HILLSBOROUGH, CA 94010-7165 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
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 |
|---|---|
| Last Transfer Date | Sep 12, 2008 |
| Transfer Doc | J742/0436 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1086 Folsom St was $4,450, up 2.8% 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 | $192,275 (+2.02%) Land $48,063 Building $144,212 | |
| 2025 | $4,450.00 (+2.77%) | $188,465 Land $47,099 Building $141,366 |
| 2024 | $4,330.00 (+3.54%) | |
| 2023 | $4,182.00 (+2.78%) | $181,149 Land $45,271 Building $135,878 |
| 2022 | $4,069.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 1086 Folsom 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 1086 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 825 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 / 2,000 |
| 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, T-Mobile.
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