48 Marion Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 48 Marion Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	1 bd · 1.5 ba · 854 sqft · built 1955
Lot Size	0.139 acres (6,048 sqft)
Owner	Individual Name on Record
Last Sale	$1,210,000 (Nov 2021)
Tax Bill	$17,923 (2025)
Deeds & Mortgages	Nov 2021 Sale & Mortgage Nov 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`027-235-14`

Property Details

APN / Parcel Number

Primary APN	`027-235-14`

Interior

Bedrooms	1 Bed
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Building Area	854 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1959
Architectural Style	Contemporary
Lot Area	6,048 sqft (0.139 acres)
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Deck Area	135 sqft
Patio Area	135 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	48 MARION AVE
City	MILL VALLEY
State	CA
Zip	94941-1721
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PART OF LOT 2,3
Legal Subdivision	EARNSCLIFFE CANYON
Legal Lot Number	2
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3000
Census Tract	127000

Owner

Source: Marin County records, as of July 13, 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	Individual Name on Record
Mailing Address	48 MARION AVE, MILL VALLEY, CA 94941-1721
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 4, 2021	Grant Deed, Transfer · Conventional Mortgage STAR ONE CU
Nov 4, 2021	Intrafamily Transfer, Transfer FIRST AMERICAN TITLE COMPANY
Mar 12, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 4, 2021 · Amount on Record
Deed Sale	Nov 4, 2021 · Amount on Record
Deed Document Number	202166788
Prior Transfer Date	Feb 16, 1995
Prior Transfer Doc	0000011514
Record Updated	Oct 29, 2026

November 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Nov 4, 2021
Property Address	48 MARION AVE, MILL VALLEY, CA 94941-1721
Document Number	0000066788
Instrument Date	Oct 21, 2021
Instrument	2021-0066788
Transaction Type	Transfer
Record Updated	Nov 17, 2021
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,331.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	48 MARION AVE, MILL VALLEY, CA 94941-1721

Mortgage

Document Number	0000066789
Date	Nov 4, 2021
Instrument	2021-0066789

Lender

Name	STAR ONE CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2051

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Nov 4, 2021
Property Address	48 MARION AVE, MILL VALLEY, CA 94941-1721
Document Number	0000066787
Instrument Date	Oct 21, 2021
Instrument	2021-0066787
Transaction Type	Transfer
Record Updated	Jun 7, 2023
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	Living Trust
Address	PO BOX 1822, MILL VALLEY, CA 94942-1822

March 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Mar 12, 2018
Property Address	48 MARION AVE, MILL VALLEY, CA 94941-1721
Document Number	0000008798
Instrument Date	Jan 30, 2018
Instrument	8798
Transaction Type	Transfer
Record Updated	Mar 23, 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	Living Trust
Address	PO BOX 1822 MILL VALLEY CA 949421822, MILL VALLEY, CA 94942-1822

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		$1,309,727 (+2%) Land $784,754 Building $524,973
2025	$17,923.00 (+5.1%) Homeowner's exemption	$1,284,052 (+4.04%) Land $769,370 Building $514,682
2023	$17,053.00 (+3.02%) Homeowner's exemption	$1,234,200 Land $739,500 Building $494,700
2022	$16,553.00

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
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

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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