539 42nd Ave, San Francisco, CA 94121 Property Records

San Francisco City property record for 539 42nd Ave, San Francisco, CA 94121

Property Summary

Property Type	Apartments (5+ Units)
Details	2 ba · 2,100 sqft · built 1947
Lot Size	0.001 acres (30 sqft)
Owner	Individual Name on File
Last Sale	$1,720,000 (May 2021)
Tax Bill	$23,106 (2025)
Deeds & Mortgages	May 2021 Sale & Mortgage Dec 2018 Transfer + 1 more
APN	`1502-005`

Property Details

APN / Parcel Number

Primary APN	`1502-005`

Interior

Full Baths	2 Baths
Total Rooms	10 Rooms
Units	4 Units
Stories	2 Stories
Building Area	2,100 sqft Living Area
1st Floor Area	2,100 sqft

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	Duplex Single
Construction Type	Frame
Lot Area	30 sqft (0.001 acres)

Location & Zoning

Street Address	539 42ND AVE
City	SAN FRANCISCO
State	CA
Zip	94121-2530
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	RH2
Legal Description	BLK 242
Legal Subdivision	OUTSIDE LAND BL 242
Legal Block	1502
Legal Lot Number	5
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	RICHMOND-PRESIDIO-MARINA
Census Block Group	1
Census Block	1007
Census Tract	47902

Owner

539 42nd Ave, a residential property, is owned by an individual who bought it in May 2021.

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

Owner of Record	Individual Name on File
Mailing Address	13145 MONTROSE ST, SARATOGA, CA 95070-4628
Owner Type	Individual

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
May 10, 2021	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Dec 17, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Aug 21, 2018	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 10, 2021 · Amount on File
Deed Sale	May 10, 2021 · Amount on File
Deed Document Number	202178202
Prior Transfer Date	Dec 11, 2018
Prior Transfer Doc	K706360
Record Updated	Oct 29, 2026

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	May 10, 2021
Property Address	539-541 42ND AVE, SAN FRANCISCO, CA 94121
Document Number	2021078202
Instrument Date	Apr 19, 2021
Instrument	2021078202
Transaction Type	Transfer
Record Updated	Jun 2, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$12,900.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	13145 MONTROSE ST, SARATOGA, CA 95070-4628

Mortgage

Document Number	2021078203
Date	May 10, 2021
Instrument	2021078203

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Dec 17, 2018
Property Address	539-541 42ND AVE, SAN FRANCISCO, CA 94121
Document Number	0K70600360
Instrument Date	Dec 11, 2018
Instrument	K706360
Transaction Type	Transfer
Record Updated	Jan 3, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	910 CORSAIR LN FOSTER CITY CA 944042681, FOSTER CITY, CA 94404-2681

August 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN FRANCISCO CA
Recording Date	Aug 21, 2018
Property Address	539-541 42ND AVE, SAN FRANCISCO, CA 94121
Document Number	0K65700694
Instrument Date	Aug 20, 2018
Instrument	K657694
Transaction Type	Transfer
Record Updated	Sep 17, 2018
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	539-541 42ND AVE SAN FRANCISCO CA 941212530, SAN FRANCISCO, CA 94121-2530

Tax Assessment & Valuation

The 2025 property tax bill for 539 42nd Ave was $23,106, up 3.2% 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		$1,899,018 (+2%) Land $1,139,411 Building $759,607
2025	$23,106.00 (+3.22%)	$1,861,780 Land $1,117,068 Building $744,712
2024	$22,385.00 (+1.94%)
2023	$21,960.00 (+1.98%)	$1,789,487 Land $1,073,692 Building $715,795
2022	$21,533.00

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

Flood

FEMA has no flood map on file for 539 42nd Ave.

Source: FEMA National Flood Hazard Layer

FEMA Flood Zone	Not on file

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 539 42nd Ave 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 1,819 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Sonic Telecom Fiber	1,000 / 1,000
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

May also be available: T-Mobile, Verizon.

Nearby Properties on 42nd Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures