4040 3rd St, San Francisco, CA 94124 Property Records

San Francisco City property record for 4040 3rd St, San Francisco, CA 94124

Property Summary

Property TypeR&D Facility, Laboratory
Details2 ba · 2,175 sqft · built 1960
Lot Size0.001 acres (24 sqft)
OwnerCompany Name on File
Last Sale$3,250,000 (Mar 2016)
Tax Bill$21,808 (2025)
APN5253-034

Property Details

APN / Parcel Number

Primary APN5253-034

Interior

Full Baths2 Baths
Total Rooms4 Rooms
Stories1 Story
Building Area2,175 sqft Gross Area
1st Floor Area2,175 sqft

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1960
Construction TypeMasonry / Concrete Block
Fire ResistanceMasonry Walls, Wood Interior
Lot Area24 sqft (0.001 acres)

Location & Zoning

Street Address4040 3RD ST
CitySAN FRANCISCO
StateCA
Zip94124-2129
Property CategoryIndustrial
Property TypeIndustrial > R&D Facility, Laboratory
Local Zoning CodeM1
Legal SubdivisionONEILL & HALEY TRACT
Legal Block5253
Legal Lot Number34
JurisdictionSAN FRANCISCO CA
Township / Civil DivisionBAYVIEW
Census Block Group1
Census Block1048
Census Tract980900

Owner

Source: San Francisco City records, as of September 8, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordCompany Name on File
Mailing AddressPO BOX 1113, SOUTH SAN FRANCISCO, CA 94083-1113
Owner TypeCompany
VestingPartnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 14, 2016 · Amount on File
Deed SaleMar 14, 2016 · Amount on File
Deed Document Number2016215003
Prior Transfer DateJan 22, 2014
Prior Transfer Doc0L099/0174
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: San Francisco City assessment roll, as of September 8, 2026

Property Jurisdictions

TypeName
StateCalifornia
County / MunicipalitySan Francisco City
Unified School DistrictSan Francisco Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,811,205 (+2%) Land $1,086,723 Building $724,482
2025$21,808.00 (+2.96%)$1,775,688 (+4.04%) Land $1,065,414 Building $710,274
2024$21,182.00 (+1.51%)
2023$20,866.00 (+1.92%)$1,706,739 Land $1,024,044 Building $682,695
2022$20,472.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneNot on file
Nearby Flood Policies5 in force
Nearby Flood Claims1 (1980)
Most Recent ClaimFeb 1980 · tidal / storm surge

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSFPUC CITY DISTRIBUTION DIVISION
serves 848,019 people · EPA ID CA3810011
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2023
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 299 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
1,000 / 75
Unwired
Fixed Wireless
300 / 25
Etheric Networks
Fixed Wireless
250 / 100

May also be available: AT&T, GeoLinks, Race Communications, T-Mobile.

Nearby Properties on 3rd St

Nearby Streets

Search Property Records by Address or Parcel Number