20 Sierra Ave, San Anselmo, CA 94960 Property Records

Marin County property record for 20 Sierra Ave, San Anselmo, CA 94960

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,144 sqft · built 1949
Lot Size	0.098 acres (4,264 sqft)
Owner	2 Company Names on Record
Last Sale	$1,300,000 (Jul 2021)
Tax Bill	$19,379 (2025)
Deeds & Mortgages	Jul 2021 Sale Apr 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`005-191-14`

Property Details

APN / Parcel Number

Primary APN	`005-191-14`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Building Area	1,144 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1960
Architectural Style	Contemporary
Lot Area	4,264 sqft (0.098 acres)
Garage Area	300 sqft
Parking Spaces	1 Parking Space
Deck Area	208 sqft
Patio Area	208 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	20 SIERRA AVE
City	SAN ANSELMO
State	CA
Zip	94960-1801
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Subdivision	GRAND VIEW
Legal Lot Number	1A,8,
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1000
Census Tract	116000

Owner

Source: Marin County records, as of July 13, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Jul 9, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY
Apr 15, 2021	Intrafamily Transfer, Transfer
Jan 4, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Oct 13, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 9, 2021 · Amount on Record
Deed Sale	Jul 9, 2021 · Amount on Record
Prior Sale	Aug 8, 2014 · Amount on Record
Deed Document Number	202144938
Prior Transfer Date	Apr 2, 2021
Prior Transfer Doc	0000025274
Record Updated	Oct 29, 2026

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 9, 2021
Property Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Document Number	0000044938
Map Reference	MB 2 PG 88
Instrument Date	Jul 2, 2021
Instrument	2021-0044938
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$1,430.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Apr 15, 2021
Property Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Document Number	0000025274
Map Reference	MB 2 PG 88
Instrument Date	Apr 2, 2021
Instrument	2021-0025274
Transaction Type	Transfer
Record Updated	Jun 7, 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
Relationship	Family Trust
Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000271
Date	Jan 4, 2017
Instrument	2017-0000271

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jan 6, 2047

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CORNERSTONE TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 SIERRA AVE, SAN ANSELMO, CA 94960-1801

Mortgage

Document Number	0000049225
Date	Oct 13, 2020
Instrument	2020-0049225

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2050

Tax Assessment & Valuation

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	San Anselmo Town
Elementary School District	Ross Valley Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,413,512 (+2%) Land $838,875 Building $574,637
2025	$19,379.00 (+4.62%)	$1,385,802 (+4.51%) Land $822,430 Building $563,372
2023	$18,523.00 (+0.98%)	$1,326,000 Land $790,500 Building $535,500
2022	$18,343.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 76 individual policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	104 units insured incl. 28 condo units
Nearby Flood Claims	52 (1978–2023)
Claims Outside the SFHA	18 of 52
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 3 claims Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 27 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 12 claims

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect 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	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002
Water Source	Surface water
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2019–2021) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 810 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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