333 Lowell Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 333 Lowell Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,728 sqft · built 1967
Lot Size	0.131 acres (5,700 sqft)
Owner	2 Individual Names on File
Last Sale	$1,800,000 (Nov 2025)
Tax Bill	$11,099 (2025)
Deeds & Mortgages	Aug 2025 Mortgage Nov 2025 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`050-121-25`

Property Details

APN / Parcel Number

Primary APN	`050-121-25`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,728 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1978
Architectural Style	Contemporary
Lot Area	5,700 sqft (0.131 acres)
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces
Deck Area	727 sqft
Patio Area	727 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	333 LOWELL AVE
City	MILL VALLEY
State	CA
Zip	94941-3845
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 4 PG 104 BLK 2 LOT 45,46
Legal Block	2
Legal Lot Number	45
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1004
Census Tract	128100

Owner

333 Lowell Ave is owned and occupied by two individuals who bought it in November 2025.

Source: Marin County records, as of July 13, 2026

Owner of Record	2 Individual Names on File
Mailing Address	333 LOWELL AVE, MILL VALLEY, CA 94941-3845
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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

Deeds, Mortgages & Sale History

Date	Document
Aug 20, 2025	Deed of Trust, Mortgage SARAH W RAYBUM 401K PENSION PLAN
Nov 17, 2025	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 17, 2025 · Amount on File
Deed Sale	Nov 17, 2025 · Amount on File
Deed Document Number	202529533
Record Updated	Oct 29, 2026

August 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	333 LOWELL AVE, MILL VALLEY, CA 94941-3845
Transaction Type	Mortgage
Record Updated	Dec 10, 2025
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	333 LOWELL AVE, MILL VALLEY, CA 94941-3845

Mortgage

Document Number	0000021754
Date	Aug 20, 2025
Instrument	2025-0021754

Lender

Name	SARAH W RAYBUM 401K PENSION PLAN
Type	Non-Lending Institution
Address	MILL VALLEY, CA 94942

Agreement

Amount	Amount on Record

November 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Nov 17, 2025
Property Address	333 LOWELL AVE, MILL VALLEY, CA 94941-3845
Document Number	0000029533
Map Reference	VOL 4 PG 104
Instrument Date	Nov 12, 2025
Instrument	2025-0029533
Transaction Type	Transfer
Record Updated	Dec 10, 2025
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,980.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	333 LOWELL AVE, MILL VALLEY, CA 94941-3845

Mortgage

Document Number	0000029534
Date	Nov 17, 2025
Instrument	2025-0029534

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2055

Tax Assessment & Valuation

The 2025 property tax bill for 333 Lowell Ave was $11,099.

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		$1,800,000 (+270.3%) Land $1,080,000 Building $720,000
2025	$11,099.00 Homeowner's exemption	$486,087 Land $149,341 Building $336,746
2023	$10,460.00 (+1.47%) Homeowner's exemption	$467,214 Land $143,542 Building $323,672
2022	$10,308.00

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 333 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 333 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.

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