4437 20th St, San Francisco, CA 94114 Property Records

San Francisco City property record for 4437 20th St, San Francisco, CA 94114

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,160 sqft · built 1900
Lot Size	0.001 acres (24 sqft)
Owner	2 Company Names on File
Last Sale	$1,110,000 (Apr 2002)
Tax Bill	$20,118 (2025)
Deeds & Mortgages	Oct 2025 Mortgage Nov 2025 Transfer + 2 more
APN	`2750-038`

Property Details

APN / Parcel Number

Primary APN	`2750-038`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,160 sqft Living Area
1st Floor Area	1,160 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1900
Architectural Style	Victorian
Construction Type	Frame
Lot Area	24 sqft (0.001 acres)

Utilities, Heating & Cooling

Heating System	Gravity Furnace

Location & Zoning

Street Address	4437 20TH ST
City	SAN FRANCISCO
State	CA
Zip	94114-2739
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RH2
Legal Subdivision	HORNERS ADD BL 211
Legal Block	2750
Legal Lot Number	38
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	WESTERN ADDITION-BUENA VISTA-EUREKA VALLEY
Census Block Group	3
Census Block	3003
Census Tract	20500

Owner

4437 20th St is owned by a company that acquired it in November 2016.

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

Owner of Record	2 Company Names on File
Mailing Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739
Owner Type	Company
Vesting	Life Tenant

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

Date	Document
Oct 23, 2025	Deed of Trust, Mortgage · Conventional Mortgage PENNYMAC LOAN SERVICES LLC
Nov 20, 2025	Intrafamily Transfer, Transfer
Sep 25, 2017	Deed of Trust, Mortgage MUFG UNION BK NA
Jun 22, 2013	Deed of Trust, Mortgage · Conventional Mortgage ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 23, 2002 · Amount on File
Deed Sale	Apr 23, 2002 · Amount on File
Prior Sale	Oct 17, 1995 · Amount on File
Deed Document Number	2002152755
Deed Book / Page	122 / 75
Last Transfer Date	Nov 18, 2016
Transfer Doc	K369137
Record Updated	Oct 29, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN FRANCISCO CA
Property Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739
Transaction Type	Mortgage
Record Updated	Nov 13, 2025
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739

Mortgage

Document Number	0000088552
Date	Oct 23, 2025
Instrument	2025088552

Lender

Name	PENNYMAC LOAN SERVICES LLC
Type	Mortgage Company
Address	WESTLAKE VILLAGE, CA 91361

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2055

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN FRANCISCO CA
Recording Date	Nov 20, 2025
Property Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739
Document Number	0000097769
Instrument Date	Nov 5, 2025
Instrument	2025097769
Transaction Type	Transfer
Record Updated	Dec 8, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN FRANCISCO CA
Property Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739
Document Number	0K52200612
Instrument Date	Sep 25, 2017
Transaction Type	Mortgage
Record Updated	Oct 26, 2017
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4437 20TH ST SAN FRANCISCO CA 941142739, SAN FRANCISCO, CA 94114-2739

Mortgage

Document Number	0K52200612
Date	Oct 5, 2017
Instrument	K522612

Lender

Name	MUFG UNION BK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Amount	Amount on Record
Term	360 Months
Due	Oct 4, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.87%

June 2013: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN FRANCISCO CA
Property Address	4437 20TH ST, SAN FRANCISCO, CA 94114-2739
Document Number	0K41900486
Instrument Date	Jun 22, 2013
Transaction Type	Mortgage
Record Updated	Apr 5, 2017
Title Company	ATTORNEY ONLY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4437 20TH ST SAN FRANCISCO CA 941142739, SAN FRANCISCO, CA 94114-2739

Mortgage

Document Number	0K41900486
Date	Mar 10, 2017
Instrument	K419486

Lender

Address	200 MARIN ST, SAN RAFAEL, CA 94901-3714

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 4437 20th St was $20,118, up 3% from the year before.

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		$1,672,615 (+2%) Land $1,003,569 Building $669,046
2025	$20,118.00 (+2.96%) Homeowner's exemption	$1,639,792 Land $983,878 Building $655,914
2024	$19,539.00 (+1.53%)
2023	$19,245.00 (+1.94%) Homeowner's exemption	$1,576,119 Land $945,674 Building $630,445
2022	$18,879.00

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

Flood

FEMA has no flood map on file for 4437 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 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

The area around 4437 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 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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