485 Ethel Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 485 Ethel Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,896 sqft · built 1987
Lot Size	0.213 acres (9,282 sqft)
Owner	2 Company Names on Record
Tax Bill	$12,540 (2025)
Deeds & Mortgages	Aug 2023 Transfer Aug 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`028-213-24`

Property Details

APN / Parcel Number

Primary APN	`028-213-24`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	3 Stories
Building Area	3,896 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Architectural Style	Contemporary
Exterior Material	Wood Siding
Roof Material	Composition Shingle
Lot Area	9,282 sqft (0.213 acres)
Garage Area	516 sqft
Parking Spaces	2 Parking Spaces
Deck Area	470 sqft
Patio Area	470 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	485 ETHEL AVE
City	MILL VALLEY
State	CA
Zip	94941-2733
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R
Legal Description	MAP 3 PG 82 PART OF LOT 92
Legal Lot Number	92
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3008
Census Tract	126100

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	17 VILLA MARIA CT, NOVATO, CA 94947-3920
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Aug 28, 2023	Intrafamily Transfer, Transfer
Aug 28, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Aug 2, 2023
Transfer Doc	0000021220
Record Updated	Oct 29, 2026

August 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Aug 28, 2023
Property Address	485 ETHEL AVE, MILL VALLEY, CA 94941-2733
Document Number	0000021220
Instrument Date	Aug 2, 2023
Instrument	2023-0021220
Transaction Type	Transfer
Record Updated	Sep 15, 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	Revocable Trust
Address	17 VILLA MARIA CT, NOVATO, CA 94947-3920

August 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Aug 28, 2023
Property Address	485 ETHEL AVE, MILL VALLEY, CA 94941-2733
Document Number	0000021219
Instrument Date	Aug 2, 2023
Instrument	2023-0021219
Transaction Type	Transfer
Record Updated	Sep 15, 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	Joint Tenants
Address	17 VILLA MARIA CT, NOVATO, CA 94947-3920

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value
2026		$875,592 (+13.68%) Land $102,312 Building $773,280
2025	$12,540.00 (+0.81%)	$770,194 (+4.04%) Land $100,305 Building $669,889
2023	$12,439.00 (+2.94%)	$740,288 Land $96,410 Building $643,878
2022	$12,084.00

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 AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 61 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	69 units insured incl. 8 condo units
Nearby Flood Claims	43 (1979–2024)
Claims Outside the SFHA	6 of 43
Most Recent Claim	Dec 2024 · river or lake flooding
Claims by Event	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

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	None beyond 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 825 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
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, T-Mobile.

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