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231 Richardson Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 231 Richardson Dr, Mill Valley, CA 94941

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,808 sqft · built 1954
Lot Size0.194 acres (8,464 sqft)
Owner2 Company Names on Record
Last Sale$750,000 (Nov 2017)
Tax Bill$7,338 (2025)
Deeds & MortgagesFeb 2023 Line of Credit
Feb 2017 Transfer
Flood ZoneZone X (minimal risk)
APN043-171-10

Property Details

APN / Parcel Number

Primary APN043-171-10

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,808 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1954
Architectural StyleContemporary
Lot Area8,464 sqft (0.194 acres)
Garage Area440 sqft
Parking Spaces2 Parking Spaces
Deck Area515 sqft
Patio Area515 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address231 RICHARDSON DR
CityMILL VALLEY
StateCA
Zip94941-2518
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMAP 7 PG 94 LOT 724
Legal SubdivisionSTRAWBERRY MANOR 07
Legal Lot Number724
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group2
Census Block2000
Census Tract125000

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 Record2 Company Names on Record
Mailing Address231 RICHARDSON DR, MILL VALLEY, CA 94941-2518
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Feb 7, 2023Deed of Trust, Mortgage · Line of Credit
MARIN COUNTY FCU
Feb 7, 2017Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 17, 2017 · Amount on Record
Deed SaleNov 17, 2017 · Amount on Record
Deed Document Number201746139
Prior Transfer DateNov 12, 2017
Prior Transfer Doc0000046139
Record UpdatedOct 29, 2026

February 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address231 RICHARDSON DR, MILL VALLEY, CA 94941-2518
Transaction TypeMortgage
Record UpdatedFeb 22, 2023

Transferred To (Grantee/Buyer)

NameVerified Name
Address231 RICHARDSON DR B, B, MILL VALLEY, CA 94941-2518

Mortgage

Document Number0000002215
DateFeb 7, 2023
Instrument2023-0002215
Lender
NameMARIN COUNTY FCU
TypeCredit Union
AddressSAN RAFAEL, CA 94903
Agreement
TypeLine of Credit
AmountAmount Recorded
Term240 Months
DueFeb 6, 2043
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionMARIN CA
Recording DateFeb 7, 2017
Property Address231 RICHARDSON DR, MILL VALLEY, CA 94941-2518
Document Number0000005490
Instrument DateFeb 2, 2017
Instrument5490
Transaction TypeTransfer
Record UpdatedFeb 16, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address231 RICHARDSON DR MILL VALLEY CA 949412518, MILL VALLEY, CA 94941-2518

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
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$529,609 (+2%) Land $248,604 Building $281,005
2025$7,338.00 (+4.87%) Homeowner's exemption$519,227 (+4.04%) Land $243,730 Building $275,497
2023$6,997.00 (+3.02%) Homeowner's exemption$499,066 Land $234,267 Building $264,799
2022$6,792.00

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 X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies3 in force
Nearby Flood Claims2 (1982–1986)
Most Recent ClaimFeb 1986 · Severe Storms & 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 RiskNot rated
no burnable land within 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 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 459 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area		100 / 20

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