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2231 18th Ave, San Francisco, CA 94116 Property Records

San Francisco City property record for 2231 18th Ave, San Francisco, CA 94116

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,300 sqft · built 1927
Lot Size0.001 acres (31 sqft)
OwnerCompany Name on Record
Tax Bill$3,985 (2025)
Deeds & MortgagesSep 2021 Transfer
May 2020 Transfer
APN2331-003N

Property Details

APN / Parcel Number

Primary APN2331-003N

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,300 sqft Living Area
1st Floor Area1,300 sqft

Exterior

Year BuiltBuilt 1927
Effective Year BuiltEffective 1927
Construction TypeFrame
Lot Area31 sqft (0.001 acres)
Lot Dimensions120 ft deep x 26 ft wide

Location & Zoning

Street Address2231 18TH AVE
CitySAN FRANCISCO
StateCA
Zip94116-1830
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRH1
Legal DescriptionBLK 1104
Legal Block2331
Legal Lot Number3N
JurisdictionSAN FRANCISCO CA
Township / Civil DivisionSUNSET
Census Block Group4
Census Block4005
Census Tract30400

Owner

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 RecordCompany Name on Record
Mailing Address3701 KENWOOD AVE, SAN MATEO, CA 94403-4118
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Sep 9, 2021Intrafamily Transfer, Transfer
May 19, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateAug 16, 2021
Transfer Doc2021142874
Record UpdatedOct 29, 2026

September 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN FRANCISCO CA
Recording DateSep 9, 2021
Property Address2231 18TH AVE, SAN FRANCISCO, CA 94116-1830
Document Number2021142874
Instrument DateAug 16, 2021
Instrument2021142874
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3701 KENWOOD AVE, SAN MATEO, CA 94403-4118

May 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN FRANCISCO CA
Recording DateMay 19, 2020
Property Address2231 18TH AVE, SAN FRANCISCO, CA 94116-1830
Document Number0K93200265
Instrument DateOct 8, 2019
InstrumentK932265
Transaction TypeTransfer
Record UpdatedJun 3, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address2650 FLEETWOOD DR SAN BRUNO CA 940661928, SAN BRUNO, CA 94066-1928

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$262,032 (+2.02%) Land $199,862 Building $62,170
2025$3,985.00 (+3.61%)$256,852 (+4.04%) Land $195,921 Building $60,931
2024$3,846.00 (+3.03%)
2023$3,733.00 (+2.55%)$246,880 Land $188,314 Building $58,566
2022$3,640.00

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

Flood

Source: FEMA National Flood Hazard Layer

FEMA Flood ZoneNot on file

Values are read at the parcel center point; 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 1,526 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Sonic Telecom
Fiber		1,000 / 1,000
Verizon
Fixed Wireless		1,000 / 75
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Unwired.

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