144 Walnut Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 144 Walnut Ave, Mill Valley, CA 94941 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,360 sqft · built 1927
Lot Size	0.165 acres (7,200 sqft)
Owner	2 Individual Names on File
Tax Bill	$17,861 (2025)
Flood Zone	Zone AE (high risk)
APN	`030-052-05`

Property Details

APN / Parcel Number

Primary APN	`030-052-05`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,360 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1998
Architectural Style	Contemporary
Exterior Material	Wood Shingle
Roof Material	Tar & Gravel
Lot Area	7,200 sqft (0.165 acres)
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Deck Area	480 sqft
Patio Area	480 sqft

Utilities, Heating & Cooling

Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	144 WALNUT AVE
City	MILL VALLEY
State	CA
Zip	94941-2814
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 39
Legal Subdivision	TAMALPAIS PARK
Legal Lot Number	39
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3009
Census Tract	126100

Owner

Source: Marin County records · APN 030-052-05

Assessment roll updated July 13, 2026 · Last verified July 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 File
Mailing Address	144 WALNUT AVE, MILL VALLEY, CA 94941-2814
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Apr 24, 2003
Transfer Doc	0000049800
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Mill Valley City
Elementary School District	Mill Valley Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$1,225,173 (+2%) Land $433,385 Building $791,788
2025	$17,861.00 (+0.65%) Homeowner's exemption	$1,201,152 (+4.04%) Land $424,887 Building $776,265
2023	$17,746.00 (+6.15%) Homeowner's exemption	$1,154,517 Land $408,390 Building $746,127
2022	$16,718.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411261003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required (federally backed mortgages)
Flood Insurance Cost	Premium on Record median of 61 individual NFIP policies nearby
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	69 units insured 8 under condo master policies
Nearby Flood Claims	43 (1979–2024)
Claims Outside the SFHA	6 of 43
Most Recent Claim	Dec 2024, river or lake flooding
Claims By Storm	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 13 claims Severe Storms & Flooding, Feb 1986 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 9 claims

Wildfire

Wildfire Risk	Low above 20% of the US · above 11% of California
Wildfire Likelihood	About 1 in 10,000 per year
Exposure	Indirect within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 825 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Unwired	Fixed Wireless	300 / 25
Verizon	Fixed Wireless	300 / 20

May also be available at this address: AT&T, T-Mobile USA, Etheric Communications, LLC.. Availability varies by address; speeds are provider-advertised maximums, not measured.