6 Marion Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 6 Marion Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 2,142 sqft · built 1948
Lot Size	0.656 acres (28,560 sqft)
Owner	2 Trust Names on File
Last Sale	$2,775,000 (Oct 2026)
Tax Bill	$5,406 (2025)
Deeds & Mortgages	Oct 2026 Sale May 2026 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`027-241-06`

Property Details

APN / Parcel Number

Primary APN	`027-241-06`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Building Area	2,142 sqft Living Area

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1958
Architectural Style	Contemporary
Lot Area	28,560 sqft (0.656 acres)
Deck Area	397 sqft
Patio Area	397 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	6 MARION AVE
City	MILL VALLEY
State	CA
Zip	94941-1721
Property Category	Residential
Property Type	Residential > Single Family > Home
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3000
Census Tract	127000

Owner

6 Marion Ave is held in a trust since October 2026.

Source: Marin County records, as of October 22, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Trust Names on File
Mailing Address	99 UNION ST, 1804, SEATTLE, WA 98101-5003
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 13, 2026	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN
May 14, 2026	Affidavit of Death of Trustee, Transfer
Feb 9, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 13, 2026 · Amount on File
Deed Sale	Oct 13, 2026 · Amount on File
Deed Document Number	202629345
Prior Transfer Date	Feb 5, 2021
Prior Transfer Doc	0000009041
Record Updated	Oct 29, 2026

October 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Oct 13, 2026
Property Address	6 MARION AVE, MILL VALLEY, CA 94941-1721
Document Number	0000029345
Instrument Date	Oct 7, 2026
Instrument	202629345
Transaction Type	Transfer
Record Updated	Oct 21, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

Amount	Amount on Record
Tax	$308,302.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	99 UNION ST, 1804, SEATTLE, WA 98101-5003

May 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	MARIN CA
Recording Date	May 14, 2026
Property Address	6 MARION AVE, MILL VALLEY, CA 94941-1721
Document Number	0000014333
Instrument Date	May 7, 2026
Instrument	202614333
Transaction Type	Transfer
Record Updated	Aug 28, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	1093 STERLING AVE, BERKELEY, CA 94708-1728

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Feb 9, 2021
Property Address	6 MARION AVE, MILL VALLEY, CA 94941-1721
Document Number	0000009041
Instrument Date	Feb 5, 2021
Instrument	2021-0009041
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
Address	PO BOX 1027, MILL VALLEY, CA 94942-1027

Tax Assessment & Valuation

The 2025 property tax bill for 6 Marion Ave was $5,406.

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		$203,806 (+2%) Land $75,646 Building $128,160
2025	$5,406.00 Homeowner's exemption	$199,811 Land $74,163 Building $125,648
2023	$4,497.00 (+12.54%) Homeowner's exemption	$192,052 Land $71,283 Building $120,769
2022	$3,996.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 6 Marion Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

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 AO, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 in force
Nearby Flood Claims	4 (1982–1998)
Claims Outside the SFHA	3 of 4
Most Recent Claim	Jan 1998 · rainfall accumulation

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

Wildfire risk around 6 Marion Ave is moderate, ranking above 40% of the US, with a 0.06% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 40% of the US · lower than 76% of California
Wildfire Likelihood	0.06% annual chance
Exposure	Direct burnable vegetation

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 340 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: Unwired, Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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