2139 31st Ave, San Francisco, CA 94116 Property Records

San Francisco City property record for 2139 31st Ave, San Francisco, CA 94116

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,325 sqft · built 1939
Lot Size	0.001 acres (30 sqft)
Owner	2 Individual Names on File
Last Sale	$662,000 (Dec 2010)
Tax Bill	$10,895 (2025)
Deeds & Mortgages	Oct 2023 Transfer Oct 2023 Transfer + 2 more
APN	`2186-010`

Property Details

APN / Parcel Number

Primary APN	`2186-010`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,325 sqft Living Area
1st Floor Area	1,325 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Tar & Gravel
Lot Area	30 sqft (0.001 acres)
Garage Type	Covered

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	2139 31ST AVE
City	SAN FRANCISCO
State	CA
Zip	94116-1638
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RH1
Legal Subdivision	OUTSIDE LAND BL 1057
Legal Block	2186
Legal Lot Number	10
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	SUNSET
Census Block Group	2
Census Block	2003
Census Tract	32901

Owner

2139 31st Ave is owned and occupied by two individuals who acquired it in October 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Occupancy	Owner Occupied
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
Oct 18, 2023	Transfer on Death Deed, Transfer
Oct 18, 2023	Transfer on Death Deed, Transfer
Aug 28, 2023	Transfer on Death Deed, Transfer
Aug 28, 2023	Transfer on Death Deed, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 1, 2010 · Amount on File
Deed Sale	Dec 1, 2010 · Amount on File
Deed Document Number	201091447
Deed Book / Page	280 / 104
Last Transfer Date	Oct 17, 2023
Transfer Doc	0000077160
Record Updated	Oct 29, 2026

October 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Oct 18, 2023
Property Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Document Number	0000077160
Instrument Date	Oct 17, 2023
Instrument	2023077160
Transaction Type	Transfer
Record Updated	Nov 2, 2023

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
Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Mail Care Of	MAY ZHONG

October 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Oct 18, 2023
Property Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Document Number	0000077161
Instrument Date	Oct 17, 2023
Instrument	2023077161
Transaction Type	Transfer
Record Updated	Nov 2, 2023

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
Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Mail Care Of	BEN Y ZHONG

August 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Aug 28, 2023
Property Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Document Number	0000063617
Instrument Date	Aug 28, 2023
Instrument	2023063617
Transaction Type	Transfer
Record Updated	Sep 13, 2023

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
Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638

August 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Aug 28, 2023
Property Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638
Document Number	0000063616
Instrument Date	Aug 28, 2023
Instrument	2023063616
Transaction Type	Transfer
Record Updated	Sep 13, 2023

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
Address	2139 31ST AVE, SAN FRANCISCO, CA 94116-1638

Tax Assessment & Valuation

The 2025 property tax bill for 2139 31st Ave was $10,895 with a homeowner's exemption.

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		$865,101 (+2%) Land $605,571 Building $259,530
2025	$10,895.00 Homeowner's exemption	$848,114 Land $593,684 Building $254,430
2023	$10,343.00 (+2.1%) Homeowner's exemption	$815,194 Land $570,637 Building $244,557
2022	$10,130.00

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

Flood

FEMA has no flood map on file for 2139 31st Ave; 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 2139 31st 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 1,316 locations within half a mile, as of December 31, 2025

Provider	Max 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
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

May also be available: T-Mobile, Verizon.

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