516 Marin Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 516 Marin Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,371 sqft · built 1942
Lot Size	0.161 acres (7,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$800,000 (May 2010)
Tax Bill	$17,879 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Aug 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`049-101-22`

Property Details

APN / Parcel Number

Primary APN	`049-101-22`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,371 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1942
Effective Year Built	Effective 1983
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	7,000 sqft (0.161 acres)
Garage Area	288 sqft
Parking Spaces	1 Parking Space
Deck Area	410 sqft
Patio Area	410 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	516 MARIN AVE
City	MILL VALLEY
State	CA
Zip	94941-3944
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L20-A* B1 /B5P6 M LITTLE CITY FARMS
Legal Subdivision	LITTLE CITY FARMS
Legal Lot Number	20
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2009
Census Tract	128100

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 Individual Names on Record
Mailing Address	516 MARIN AVE, MILL VALLEY, CA 94941-3944
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 4, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage CARDINAL FINANCIAL COMPANY LP
Aug 27, 2019	Deed of Trust, Mortgage · Conventional Mortgage BAY EQUITY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 13, 2010 · Amount on Record
Deed Sale	May 13, 2010 · Amount on Record
Prior Sale	Nov 17, 2006 · Amount on Record
Deed Document Number	201023567
Last Transfer Date	Oct 23, 2020
Transfer Doc	0000054774
Record Updated	Oct 29, 2026

November 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Nov 4, 2020
Property Address	516 MARIN AVE, MILL VALLEY, CA 94941-3944
Document Number	0000054774
Map Reference	VOL 5 PG 6
Instrument Date	Oct 23, 2020
Instrument	2020-0054774
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

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	Joint Tenants
Address	516 MARIN AVE, MILL VALLEY, CA 94941-3944

Mortgage

Document Number	0000054775
Date	Nov 4, 2020
Instrument	2020-0054775

Lender

Name	CARDINAL FINANCIAL COMPANY LP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2050

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	516 MARIN AVE, MILL VALLEY, CA 94941-3944
Document Number	0000032901
Instrument Date	Aug 27, 2019
Transaction Type	Mortgage
Record Updated	Sep 19, 2019
Title Company	STEWART TITLE, STEWART TITLE GUARANTY CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	516 MARIN AVE MILL VALLEY CA 949413944, MILL VALLEY, CA 94941-3944

Mortgage

Document Number	0000032901
Date	Sep 10, 2019
Instrument	32901

Lender

Name	BAY EQUITY
Type	Funding / Finance Company
Address	SAUSALITO, CA 94965

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 9, 2049

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Elementary School District	Mill 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		$1,053,232 (+2%) Land $658,270 Building $394,962
2025	$17,879.00 (+5.92%)	$1,032,584 (+4.04%) Land $645,365 Building $387,219
2023	$16,879.00 (+4.24%)	$992,496 Land $620,310 Building $372,186
2022	$16,193.00

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	6 (1982–2019)
Claims Outside the SFHA	3 of 6
Most Recent Claim	Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 3 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 66% of the US · lower than 80% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 496 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

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

Cell Coverage

5G and 4G LTE (outdoors only)

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