341 Lowell Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 341 Lowell Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,976 sqft · built 1985
Lot Size	0.207 acres (9,000 sqft)
Owner	2 Trust Names on File
Last Sale	$2,850,000 (Jun 2018)
Tax Bill	$42,147 (2025)
Deeds & Mortgages	Mar 2022 Transfer Feb 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`050-121-52`

Property Details

APN / Parcel Number

Primary APN	`050-121-52`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Building Area	2,976 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1998
Architectural Style	Contemporary
Lot Area	9,000 sqft (0.207 acres)
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces
Deck Area	216 sqft
Patio Area	216 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	341 LOWELL AVE
City	MILL VALLEY
State	CA
Zip	94941-3845
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	/B20P30 OR LANDS OF WEISSENSEE
Legal Subdivision	WEISSENSEE
Legal Lot Number	5-8
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1004
Census Tract	128100

Owner

341 Lowell Ave is owner-occupied and held in a trust since June 2018.

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	2 Trust Names on File
Mailing Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 3, 2022	Intrafamily Transfer, Transfer
Feb 18, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Jun 8, 2018	Grant Deed, Transfer · ARM WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 8, 2018 · Amount on File
Deed Sale	Jun 8, 2018 · Amount on File
Prior Sale	Jun 22, 2006 · Amount on File
Deed Document Number	201820495
Prior Transfer Date	Oct 19, 2007
Prior Transfer Doc	0000066587
Record Updated	Oct 29, 2026

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Mar 3, 2022
Property Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845
Document Number	0000008144
Instrument Date	Dec 19, 2021
Instrument	2022-0008144
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
Relationship	Family Trust
Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845
Transaction Type	Mortgage
Record Updated	Mar 3, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845

Mortgage

Document Number	0000011792
Date	Feb 18, 2021
Instrument	2021-0011792

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Mar 1, 2031
Change Frequency	Annually
Min Rate At Change	2%
Max Rate At Change	7.5%
Index	1-Year LIBOR
Margin	2
Max Rate	7.5%

June 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jun 8, 2018
Property Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845
Document Number	0000020495
Map Reference	MB20 PG30
Instrument Date	May 31, 2018
Instrument	2018-0020495
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	OLD REPUBLIC TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	341 LOWELL AVE, MILL VALLEY, CA 94941-3845

Mortgage

Document Number	0000020496
Date	Jun 8, 2018
Instrument	2018-0020496

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Type Change Date	Jul 1, 2025
Change Frequency	Annually
Min Rate At Change	2.5%
Max Rate At Change	6.5%
Index	1-Year LIBOR
Max Rate	9.52%

Tax Assessment & Valuation

The 2025 property tax bill for 341 Lowell Ave was $42,147 with a homeowner's exemption.

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		$3,284,384 (+2%) Land $1,276,616 Building $2,007,768
2025	$42,147.00 Homeowner's exemption	$3,220,002 Land $1,251,591 Building $1,968,411
2023	$39,928.00 (+3.67%) Homeowner's exemption	$3,094,972 Land $1,202,993 Building $1,891,979
2022	$38,515.00

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

Flood

FEMA maps place 341 Lowell Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1982.

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

Wildfire risk around 341 Lowell Ave is low, with a 0.02% annual chance of 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	0.02% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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.

Nearby Properties on Lowell Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures