4231 20th St, San Francisco, CA 94114 Property Records

San Francisco City property record for 4231 20th St, San Francisco, CA 94114

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 3,220 sqft · built 1898
Lot Size	0.001 acres (28 sqft)
Owner	2 Individual Names on Record
Last Sale	$3,910,000 (Jun 2021)
Tax Bill	$50,862 (2025)
Deeds & Mortgages	Jun 2021 Sale & Mortgage Mar 2020 Sale
APN	`2752-030`

Property Details

APN / Parcel Number

Primary APN	`2752-030`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	11 Rooms
Stories	3 Stories
Building Area	3,220 sqft Living Area
1st Floor Area	3,220 sqft

Exterior

Year Built	Built 1898
Effective Year Built	Effective 1898
Architectural Style	Duplex Single
Construction Type	Wood
Lot Area	28 sqft (0.001 acres)
Lot Dimensions	110 ft deep x 25 ft wide

Location & Zoning

Street Address	4231 20TH ST
City	SAN FRANCISCO
State	CA
Zip	94114-2814
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RH3
Legal Subdivision	HORNERS ADDITION
Legal Block	2752
Legal Lot Number	30
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	WESTERN ADDITION-BUENA VISTA-EUREKA VALLEY
Census Block Group	3
Census Block	3005
Census Tract	20500

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 Record	2 Individual Names on Record
Mailing Address	4231 20TH ST, SAN FRANCISCO, CA 94114-2814
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jun 1, 2021	Grant Deed, Transfer · Conventional Mortgage PNC BANK NA
Mar 6, 2020	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 1, 2021 · Amount on Record
Deed Sale	Jun 1, 2021 · Amount on Record
Prior Sale	Mar 6, 2020 · Amount on Record
Deed Document Number	202189184
Prior Transfer Date	Oct 3, 1996
Prior Transfer Doc	0000058523
Record Updated	Oct 29, 2026

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Jun 1, 2021
Property Address	4231-4233 20TH ST, SAN FRANCISCO, CA 94114
Document Number	0000089184
Instrument Date	May 24, 2021
Instrument	2021089184
Transaction Type	Transfer
Record Updated	Sep 16, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$29,325.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	4231 20TH ST # 4233, 4233, SAN FRANCISCO, CA 94114-2814

Mortgage

Document Number	0000089185
Date	Jun 1, 2021
Instrument	2021089185

Lender

Name	PNC BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2051

March 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Mar 6, 2020
Property Address	4231-4233 20TH ST, SAN FRANCISCO, CA 94114
Document Number	0K91200158
Instrument Date	Mar 4, 2020
Instrument	K912158
Transaction Type	Transfer
Record Updated	Mar 31, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Tax	$28,500.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	2323 MARCY AVE EVANSTON IL 602011815, EVANSTON, IL 60201-1815

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County / Municipality	San Francisco City
Unified School District	San Francisco Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$4,316,953 (+2%) Land $3,021,867 Building $1,295,086
2025	$50,862.00 (+2.97%)	$4,232,306 (+4.04%) Land $2,962,615 Building $1,269,691
2024	$49,395.00 (+1.48%)
2023	$48,674.00 (+1.87%)	$4,067,963 Land $2,847,574 Building $1,220,389
2022	$47,782.00

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 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.

Wildfire

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 1,850 locations within half a mile, as of December 31, 2025

Provider	Max 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.

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