21 Williar Ave, San Francisco, CA 94112 Property Records

San Francisco City property record for 21 Williar Ave, San Francisco, CA 94112

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,482 sqft · built 1916
Lot Size	0.001 acres (20 sqft)
Owner	Individual Name on File
Last Sale	$1,320,000 (Sep 2020)
Tax Bill	$17,705 (2025)
Deeds & Mortgages	Sep 2020 Sale & Mortgage Dec 2018 Line of Credit + 2 more
APN	`7022-029`

Property Details

APN / Parcel Number

Primary APN	`7022-029`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,482 sqft Living Area
1st Floor Area	1,482 sqft

Exterior

Year Built	Built 1916
Effective Year Built	Effective 1916
Construction Type	Frame
Lot Area	20 sqft (0.001 acres)

Location & Zoning

Street Address	21 WILLIAR AVE
City	SAN FRANCISCO
State	CA
Zip	94112-2305
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RH1
Legal Subdivision	FRANK R WEBBS
Legal Block	7022
Legal Lot Number	29
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	MERCED-MCLAREN
Census Block Group	1
Census Block	1009
Census Tract	31201

Owner

21 Williar Ave is owned and occupied by an individual who bought it in September 2020.

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

Owner of Record	Individual Name on File
Mailing Address	21 WILLIAR AVE, SAN FRANCISCO, CA 94112-2305
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
Sep 11, 2020	Grant Deed, Transfer FIRST REPUBLIC BK
Dec 12, 2018	Deed of Trust, Mortgage · Line of Credit US BK
May 11, 2018	Quit Claim Deed, Mortgage US BK
Mar 9, 2017	Deed of Trust, Mortgage · Line of Credit US BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 11, 2020 · Amount on File
Deed Sale	Sep 11, 2020 · Amount on File
Prior Sale	Jul 17, 2015 · Amount on File
Deed Document Number	202015845
Prior Transfer Date	May 7, 2018
Prior Transfer Doc	K613221
Record Updated	Oct 29, 2026

September 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	Sep 11, 2020
Property Address	21 WILLIAR AVE, SAN FRANCISCO, CA 94112-2305
Document Number	0001500845
Instrument Date	Sep 8, 2020
Instrument	15845
Transaction Type	Transfer
Record Updated	Oct 7, 2020
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$9,900.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21 WILLIAR AVE SAN FRANCISCO CA 941122305, SAN FRANCISCO, CA 94112-2305

Mortgage

Document Number	1500846
Date	Sep 11, 2020
Instrument	15846

Lender

Name	FIRST REPUBLIC BK
Type	Bank
Address	111 PINE ST, SAN FRANCISCO, CA 94111-5602

Agreement

Amount	Amount on Record
Term	360 Months
Due	Sep 10, 2050

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN FRANCISCO CA
Property Address	21 WILLIAR AVE, SAN FRANCISCO, CA 94112-2305
Document Number	0K71900025
Instrument Date	Dec 12, 2018
Transaction Type	Mortgage
Record Updated	Jan 21, 2019
Title Company	SOLIDIFI US INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	21 WILLIAR AVE SAN FRANCISCO CA 941122305, SAN FRANCISCO, CA 94112-2305

Mortgage

Document Number	0K71900025
Date	Jan 7, 2019
Instrument	K719025

Lender

Name	US BK
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jan 6, 2049

Interest

Rate Type	Adjustable Rate

May 2018: Quit Claim Deed, Mortgage

Document Type	Quit Claim Deed
Jurisdiction	SAN FRANCISCO CA
Recording Date	May 11, 2018
Property Address	21 WILLIAR AVE, SAN FRANCISCO, CA 94112-2305
Document Number	0K61300221
Instrument Date	May 7, 2018
Instrument	K613221
Transaction Type	Mortgage
Record Updated	May 30, 2018
Title Company	STEWART TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	21 WILLIAR AVE SAN FRANCISCO CA 941122305, SAN FRANCISCO, CA 94112-2305

Mortgage

Document Number	K61300222
Date	May 11, 2018
Instrument	K613222

Lender

Name	US BK
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Amount	Amount on Record
Term	360 Months
Due	May 10, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.87%

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN FRANCISCO CA
Property Address	21 WILLIAR AVE, SAN FRANCISCO, CA 94112-2305
Document Number	0K42700179
Instrument Date	Mar 9, 2017
Transaction Type	Mortgage
Record Updated	Apr 21, 2017
Title Company	TITLE SERVICE AND LIAISON COMPANIES, INDECOMM GLOBAL SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	21 WILLIAR AVE SAN FRANCISCO CA 941122305, SAN FRANCISCO, CA 94112-2305

Mortgage

Document Number	0K42700179
Date	Mar 29, 2017
Instrument	K427179

Lender

Name	US BK
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Mar 28, 2047

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 21 Williar Ave was $17,705, up 2.9% 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		$1,457,386 (+2%) Land $1,020,170 Building $437,216
2025	$17,705.00 (+2.95%)	$1,428,807 Land $1,000,166 Building $428,641
2024	$17,198.00 (+1.53%)
2023	$16,939.00 (+1.94%)	$1,373,327 Land $961,329 Building $411,998
2022	$16,616.00

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

Flood

FEMA has no flood map on file for 21 Williar 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 21 Williar 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 1,023 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, T-Mobile, Verizon.

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