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

Marin County property record for 321 W Blithedale Ave, Mill Valley, CA 94941

Property Summary

Property TypeDuplex
Details3 bd · 3 ba · 2,043 sqft · built 1940
Lot Size0.253 acres (11,000 sqft)
Owner2 Company Names on Record
Last Sale$1,455,000 (Aug 2018)
Tax Bill$23,194 (2025)
Deeds & MortgagesMar 2020 Mortgage
Aug 2018 Sale & Mortgage
Flood ZoneZone AE (high risk)
APN027-123-05

Property Details

APN / Parcel Number

Primary APN027-123-05

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms5 Rooms
Units2 Units
Building Area2,043 sqft Living Area
Basement Area655 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1979
Architectural StyleContemporary
Lot Area11,000 sqft (0.253 acres)
Garage Area200 sqft
Parking Spaces1 Parking Space
Deck Area72 sqft
Patio Area72 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address321 W BLITHEDALE AVE
CityMILL VALLEY
StateCA
Zip94941-1094
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal DescriptionOFFICIAL RECS 315 PG 94
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group5
Census Block5017
Census Tract126100

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 Record2 Company Names on Record
Mailing Address321 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1094
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Mar 27, 2020Deed of Trust, Mortgage
QUICKEN LNS
Aug 7, 2018Grant Deed, Transfer · Conventional Mortgage
NEW PENN FINANCIAL LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 7, 2018 · Amount on Record
Deed SaleAug 7, 2018 · Amount on Record
Prior SaleAug 7, 2008 · Amount on Record
Deed Document Number201827953
Prior Transfer DateMay 4, 2004
Prior Transfer Doc0000038257
Record UpdatedOct 29, 2026

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address321 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1094
Document Number0000013264
Instrument DateMar 27, 2020
Transaction TypeMortgage
Record UpdatedMay 7, 2020
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
Address321 W BLITHEDALE AVE MILL VALLEY CA 949411094, MILL VALLEY, CA 94941-1094

Mortgage

Document Number0000013264
DateApr 3, 2020
Instrument13264
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
AmountAmount Recorded
Term360 Months
DueApr 2, 2050

August 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateAug 7, 2018
Property Address321 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1094
Document Number0000027953
Instrument DateJul 24, 2018
Instrument2018-0027953
Transaction TypeTransfer
Record UpdatedJul 21, 2022
Title CompanyOLD REPUBLIC TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
Address367 TENNESSEE AVE, MILL VALLEY, CA 94941-3841

Mortgage

Document Number0000027954
DateAug 7, 2018
Instrument2018-0027954
Lender
NameNEW PENN FINANCIAL LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2048

Tax Assessment & Valuation

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
MunicipalityMill Valley City
Elementary School DistrictMill Valley Elementary School District (KG - 08)
Secondary School DistrictTamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,649,824 (+2%) Land $796,467 Building $853,357
2025$23,194.00 (+5.93%) Homeowner's exemption$1,617,475 (+4.04%) Land $780,850 Building $836,625
2023$21,895.00 (+1.98%) Homeowner's exemption$1,554,675 Land $750,533 Building $804,142
2022$21,469.00

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 ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Nearby Flood Policies1 in force
Nearby Flood Claims3 (1986–2010)
Claims Outside the SFHA2 of 3
Most Recent ClaimJan 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

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

Wildfire RiskModerate
above 42% of the US · lower than 75% of California
Wildfire Likelihood0.07% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemMARIN MUNICIPAL WATER DISTRICT
serves 188,116 people · EPA ID CA2110002
Water SourceSurface water
Last State InspectionAug 2023
LeadUnder 1 ppb (2019–2021)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 313 locations within half a mile, as of December 31, 2025

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

Cell Coverage

5G and 4G LTE (outdoors only)

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