4425 20th St, San Francisco, CA 94114 Property Records

San Francisco City property record for 4425 20th St, San Francisco, CA 94114

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,550 sqft · built 1900
Lot Size0.001 acres (24 sqft)
Owner2 Individual Names on File
Last Sale$2,500,000 (Oct 2025)
Tax Bill$27,062 (2025)
Deeds & MortgagesOct 2025 Sale & Mortgage
APN2750-040

Property Details

APN / Parcel Number

Primary APN2750-040

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories2 Stories
Building Area1,550 sqft Living Area
1st Floor Area1,550 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Construction TypeFrame
Lot Area24 sqft (0.001 acres)

Location & Zoning

Street Address4425 20TH ST
CitySAN FRANCISCO
StateCA
Zip94114-2739
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRH2
Legal SubdivisionHORNERS ADD BL #211
Legal Block2750
Legal Lot Number40
JurisdictionSAN FRANCISCO CA
Township / Civil DivisionWESTERN ADDITION-BUENA VISTA-EUREKA VALLEY
Census Block Group3
Census Block3003
Census Tract20500

Owner

4425 20th St is owned and occupied by two individuals who bought it in October 2025.

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

Owner of Record2 Individual Names on File
Mailing Address4425 20TH ST, SAN FRANCISCO, CA 94114-2739
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 7, 2025 · Amount on File
Deed SaleOct 7, 2025 · Amount on File
Prior SaleJul 26, 2016 · Amount on File
Deed Document Number202583493
Prior Transfer DateJun 12, 2002
Prior Transfer DocK143620
Record UpdatedOct 29, 2026

October 2025: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN FRANCISCO CA
Recording DateOct 7, 2025
Property Address4425 20TH ST, SAN FRANCISCO, CA 94114-2739
Document Number0000083493
Instrument DateOct 5, 2025
Instrument2025083493
Transaction TypeTransfer
Record UpdatedApr 2, 2026
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$18,750.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address4425 20TH ST, SAN FRANCISCO, CA 94114-2739

Mortgage

Document Number0000083494
DateOct 7, 2025
Instrument2025083494
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueNov 1, 2055
Interest
Rate TypeAdjustable Rate
Rate4.87%
Type Change DateNov 1, 2032
Change Frequency6 Months
Min Rate At Change3%
Max Rate At Change9.87%
IndexSOFR Average 30-Day
Margin3
Max Rate9.87%

Tax Assessment & Valuation

The 2025 property tax bill for 4425 20th St was $27,062, up 3% from the year before.

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$2,500,000 (+12.62%) Land $1,750,000 Building $750,000
2025$27,062.00 (+2.96%)$2,219,895 Land $1,421,714 Building $798,181
2024$26,284.00 (+1.51%)
2023$25,894.00 (+1.9%)$2,133,697 Land $1,366,508 Building $767,189
2022$25,411.00

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

Flood

FEMA has no flood map on file for 4425 20th St; 1 flood insurance policy is in force nearby.

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

FEMA Flood ZoneNot on file
Nearby Flood Policies1 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.

Wildfire

The area around 4425 20th 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 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 1,850 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
Sonic Telecom
Fiber
1,000 / 1,000
Unwired
Fixed Wireless
300 / 25
Etheric Networks
Fixed Wireless
250 / 100

May also be available: AT&T, GeoLinks, Google Fiber, T-Mobile, Verizon.

Nearby Properties on 20th St

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