San Francisco City property record for 3130 20th St, San Francisco, CA 94110
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 3 ba · 56,160 sqft · built 1949 |
| Lot Size | 0.01 acres (416 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $47,522 (2025) |
| Deeds & Mortgages | Dec 2017 Mortgage |
| APN | 4083-002 |
| Primary APN | 4083-002 |
|---|
| Full Baths | 3 Baths |
|---|---|
| Total Rooms | 13 Rooms |
| Stories | 3 Stories |
| Building Area | 56,160 sqft Gross Area |
| 1st Floor Area | 56,160 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Construction Type | Concrete |
| Fire Resistance | Fireproof Reinforced Concrete |
| Lot Area | 416 sqft (0.01 acres) |
| Lot Dimensions | 200 ft deep x 208 ft wide |
| Street Address | 3130 20TH ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94110-2701 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | UMU |
| Legal Subdivision | POTRERO NUEVO BL 12 |
| Legal Block | 4083 |
| Legal Lot Number | 2 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | MISSION-BERNAL |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 22801 |
Source: San Francisco City records, as of September 8, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 139 MITCHELL AVE, 236, SOUTH SAN FRANCISCO, CA 94080-6088 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Property Address | 3130 20TH ST, SAN FRANCISCO, CA 94110-2701 |
| Document Number | 0K56200663 |
| Instrument Date | Dec 27, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 30, 2018 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 100 PINE ST #1550 SAN FRANCISCO CA 941115117, 1550, SAN FRANCISCO, CA 94111-5117 |
| Document Number | 0K56200663 |
|---|---|
| Date | Dec 29, 2017 |
| Instrument | K562663 |
| Name | JP MORGAN CHASE BK |
|---|---|
| Type | Bank |
| Address | PO BOX 9178, COPPELL, TX 75019-9178 |
| Amount | Amount Recorded |
|---|
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 | $4,489,239 (+2%) Land $1,625,064 Building $2,864,175 | |
| 2025 | $47,522.00 (+4.5%) | $4,401,157 (+4.04%) Land $1,593,170 Building $2,807,987 |
| 2023 | $45,477.00 (+1.87%) | $4,230,256 Land $1,531,306 Building $2,698,950 |
| 2022 | $44,643.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 1 in force |
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.
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 1,000 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| 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: GeoLinks, Google Fiber.
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