378 Lowell Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 378 Lowell Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 2,288 sqft · built 1956
Lot Size	0.459 acres (20,000 sqft)
Owner	2 Company Names on Record
Last Sale	$1,560,000 (Apr 2012)
Tax Bill	$41,095 (2025)
Deeds & Mortgages	Apr 2023 Mortgage Feb 2018 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`050-074-19`

Property Details

APN / Parcel Number

Primary APN	`050-074-19`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Building Area	2,288 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1988
Architectural Style	Contemporary
Lot Area	20,000 sqft (0.459 acres)
Garage Area	335 sqft
Parking Spaces	2 Parking Spaces
Deck Area	332 sqft
Patio Area	332 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	378 LOWELL AVE
City	MILL VALLEY
State	CA
Zip	94941-3846
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	BLK 1 LOT 3
Legal Subdivision	MARIN HALF ACRE HOMES
Legal Lot Number	3
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1004
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 Company Names on Record
Mailing Address	378 LOWELL AVE, MILL VALLEY, CA 94941-3846
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Apr 3, 2023	Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY PRIVATE BANK NA
Feb 1, 2018	Deed of Trust, Mortgage WELLS FARGO BANK NA
Feb 1, 2018	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA
Nov 12, 2020	Correction Deed ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 24, 2012 · Amount on Record
Deed Sale	Apr 24, 2012 · Amount on Record
Prior Sale	Jan 18, 2008 · Amount on Record
Deed Document Number	201225187
Last Transfer Date	Oct 29, 2020
Transfer Doc	0000056505
Record Updated	Sep 20, 2026

April 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	378 LOWELL AVE, MILL VALLEY, CA 94941-3846
Transaction Type	Mortgage
Record Updated	Apr 19, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	378 LOWELL AVE, MILL VALLEY, CA 94941-3846

Mortgage

Document Number	0000008243
Date	Apr 3, 2023
Instrument	2023-0008243

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank
Address	CINCINNATI, OH 45245

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 1, 2053

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	378 LOWELL AVE, MILL VALLEY, CA 94941-3846
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000003261
Date	Feb 1, 2018
Instrument	2018-0003261

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Feb 27, 2048

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	378 LOWELL AVE, MILL VALLEY, CA 94941-3846
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000003260
Date	Feb 1, 2018
Instrument	2018-0003260

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	Feb 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.37%
Type Change Date	Feb 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.37%
Index	1-Year LIBOR
Max Rate	8.37%

November 2020: Correction Deed

Document Type	Correction Deed
Jurisdiction	MARIN CA
Recording Date	Nov 12, 2020
Property Address	378 LOWELL AVE, MILL VALLEY, CA 94941-3846
Document Number	0000056505
Instrument Date	Oct 29, 2020
Instrument	56505
Record Updated	Nov 24, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	378 LOWELL AVE MILL VALLEY CA 949413846, MILL VALLEY, CA 94941-3846

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		$3,013,424 (+2%) Land $1,088,935 Building $1,924,489
2025	$41,095.00 (+5.56%) Homeowner's exemption	$2,954,359 (+4.04%) Land $1,067,591 Building $1,886,768
2023	$38,929.00 (+18.28%) Homeowner's exemption	$2,839,656 Land $1,026,145 Building $1,813,511
2022	$32,912.00

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	4 in force
Nearby Flood Claims	4 (1982–1998)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Apr 1998 · Severe Winter Storms And Flooding

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

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: T-Mobile, Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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