12 Sierra Ave, San Anselmo, CA 94960 Property Records

Marin County property record for 12 Sierra Ave, San Anselmo, CA 94960

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,038 sqft · built 1935
Lot Size	0.103 acres (4,500 sqft)
Owner	2 Company Names on Record
Last Sale	$740,000 (Jun 2007)
Tax Bill	$14,548 (2025)
Deeds & Mortgages	Sep 2020 Line of Credit Jul 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`005-191-12`

Property Details

APN / Parcel Number

Primary APN	`005-191-12`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Building Area	1,038 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1966
Architectural Style	Contemporary
Lot Area	4,500 sqft (0.103 acres)
Garage Area	216 sqft
Parking Spaces	1 Parking Space
Deck Area	284 sqft
Patio Area	284 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	12 SIERRA AVE
City	SAN ANSELMO
State	CA
Zip	94960-1801
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	PART OF LOT 5
Legal Subdivision	GRAND VIEW
Legal Lot Number	5
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 August 27, 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	12 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 12, 2020	Deed of Trust, Mortgage · Line of Credit POLICE CU/CALIFORNIA
Jul 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage POLICE CU/CALIFORNIA
Dec 26, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Nov 29, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 15, 2007 · Amount on Record
Deed Sale	Jun 15, 2007 · Amount on Record
Prior Sale	Apr 9, 2003 · Amount on Record
Deed Document Number	200737193
Prior Transfer Date	Jul 9, 1998
Prior Transfer Doc	0000049834
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	12 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Document Number	0000043593
Instrument Date	Sep 12, 2020
Transaction Type	Mortgage
Record Updated	Oct 6, 2020
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	12 SIERRA AVE SAN ANSELMO CA 949601801, SAN ANSELMO, CA 94960-1801

Mortgage

Document Number	0000043593
Date	Sep 17, 2020
Instrument	43593

Lender

Name	POLICE CU/CALIFORNIA
Address	SAN BRUNO, CA 94066

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Sep 16, 2050

Interest

Rate Type	Adjustable Rate

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	12 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Document Number	0000029447
Instrument Date	Jul 3, 2020
Transaction Type	Mortgage
Record Updated	Jul 21, 2020
Title Company	FIRST AMERICAN

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	12 SIERRA AVE SAN ANSELMO CA 949601801, SAN ANSELMO, CA 94960-1801

Mortgage

Document Number	0000029447
Date	Jul 9, 2020
Instrument	29447

Lender

Name	POLICE CU/CALIFORNIA
Address	SAN BRUNO, CA 94066

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 8, 2050

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Dec 26, 2018
Property Address	12 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Document Number	0000043698
Instrument Date	Dec 20, 2018
Instrument	43698
Transaction Type	Transfer
Record Updated	Jan 9, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	12 SIERRA AVE SAN ANSELMO CA 949601801, SAN ANSELMO, CA 94960-1801

November 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Nov 29, 2018
Property Address	12 SIERRA AVE, SAN ANSELMO, CA 94960-1801
Document Number	0000040849
Instrument Date	Nov 14, 2018
Instrument	40849
Transaction Type	Transfer
Record Updated	Dec 11, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	12 SIERRA AVE SAN ANSELMO CA 949601801, SAN ANSELMO, CA 94960-1801

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		$1,110,297 (+2%) Land $785,720 Building $324,577
2025	$14,548.00 (+4.14%) Homeowner's exemption	$1,088,530 (+4.04%) Land $770,316 Building $318,214
2023	$13,969.00 (+0.95%) Homeowner's exemption	$1,046,270 Land $740,410 Building $305,860
2022	$13,837.00

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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