424 W Blithedale Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 424 W Blithedale Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,912 sqft · built 1936
Lot Size	0.389 acres (16,935 sqft)
Owner	2 Individual Names on File
Last Sale	$1,100,000 (Jun 2017)
Tax Bill	$17,941 (2025)
Deeds & Mortgages	Feb 2021 Line of Credit Oct 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`027-044-01`

Property Details

APN / Parcel Number

Primary APN	`027-044-01`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	4 Rooms
Stories	1 Story
Building Area	1,912 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1936
Effective Year Built	Effective 1980
Architectural Style	Contemporary
Roof Material	Composition Shingle
Lot Area	16,935 sqft (0.389 acres)
Deck Area	705 sqft
Patio Area	775 sqft

Utilities, Heating & Cooling

Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	424 W BLITHEDALE AVE
City	MILL VALLEY
State	CA
Zip	94941-1096
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	21
Legal Description	LOT 71-73
Legal Subdivision	SB CUSHINGS BLITHEDALE MAP 02
Legal Lot Number	71-73
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	5
Census Block	5007
Census Tract	126100

Owner

424 W Blithedale Ave is owned and occupied by two individuals who bought it in June 2017.

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

Owner of Record	2 Individual Names on File
Mailing Address	424 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1096
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Right of Survivorship

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
Feb 26, 2021	Deed of Trust, Mortgage · Line of Credit MARIN COUNTY FCU
Oct 14, 2020	Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB
Jun 14, 2017	Deed, Transfer · Conventional Mortgage MUFG UNION BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 14, 2017 · Amount on File
Deed Sale	Jun 14, 2017 · Amount on File
Prior Sale	Sep 2, 2014 · Amount on File
Deed Document Number	201723655
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	424 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1096
Transaction Type	Mortgage
Record Updated	Mar 10, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000013584
Date	Feb 26, 2021
Instrument	2021-0013584

Lender

Name	MARIN COUNTY FCU
Type	Credit Union
Address	SAN RAFAEL, CA 94903

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	264 Months
Due	Feb 25, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	424 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1096
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	424 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1096

Mortgage

Document Number	0000049715
Date	Oct 14, 2020
Instrument	2020-0049715

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2050

June 2017: Deed, Transfer

Document Type	Deed
Jurisdiction	MARIN CA
Recording Date	Jun 14, 2017
Property Address	424 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1096
Document Number	0000023655
Map Reference	VOL2 PG29
Instrument Date	May 23, 2017
Instrument	2017-0023655
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIRST AMERICAN 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	Right of Survivorship
Address	424 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1096

Mortgage

Document Number	0000023656
Date	Jun 14, 2017
Instrument	2017-0023656

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2047

Mortgage

Document Number	0000023657
Date	Jun 14, 2017
Instrument	2017-0023657

Lender

Name	TCF NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 23, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 424 W Blithedale Ave was $17,941.

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		$1,302,147 (+2%) Land $710,262 Building $591,885
2025	$17,941.00	$1,276,616 Land $696,336 Building $580,280
2023	$17,984.00 (+3.42%)	$1,227,050 Land $669,300 Building $557,750
2022	$17,389.00

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

Flood

FEMA maps place 424 W Blithedale Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1986.

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	1 in force
Nearby Flood Claims	3 (1986–2010)
Claims Outside the SFHA	2 of 3
Most Recent Claim	Jan 2010 · 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 424 W Blithedale Ave is moderate, ranking above 48% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 48% of the US · lower than 71% of California
Wildfire Likelihood	0.1% 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 62 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: Unwired.

Cell Coverage

4G LTE (outdoors only), no 5G reported

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