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280 Richardson Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 280 Richardson Dr, Mill Valley, CA 94941 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,209 sqft · built 1955
Lot Size0.236 acres (10,283 sqft)
OwnerIndividual Name on File
Tax Bill$5,511 (2025)
Deeds & MortgagesMar 2021 Transfer
Jan 2021 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN043-231-05

Property Details

APN / Parcel Number

Primary APN043-231-05

Interior

Bedrooms3 Beds
Full Baths2 Baths
Building Area2,209 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Architectural StyleContemporary
Lot Area10,283 sqft (0.236 acres)

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address280 RICHARDSON DR
CityMILL VALLEY
StateCA
Zip94941-2557
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionSTRAWBERRY MANOR
Legal Lot Number748
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group2
Census Block2001
Census Tract125000

Owner

Source: Marin County records · APN 043-231-05

Assessment roll updated July 13, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address280 RICHARDSON DR, MILL VALLEY, CA 94941-2557
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Mar 12, 2021Transfer on Death Deed, Transfer
Jan 11, 2021Quit Claim Deed, Transfer
NOT AVAILABLE
Dec 18, 2020Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last Transfer DateMar 06, 2021
Transfer Doc0000017273
Record UpdatedSep 20, 2026

March 2021: Transfer on Death Deed, Transfer

Document TypeTransfer on Death Deed
JurisdictionMARIN CA
Recording DateMar 12, 2021
Property Address280 RICHARDSON DR, MILL VALLEY, CA 94941-2557
Document Number0000017273
Map ReferenceMB 7 PG 94
Instrument DateMar 06, 2021
Instrument2021-0017273
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Living Trust
Address280 RICHARDSON DR, MILL VALLEY, CA 94941-2557

January 2021: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionMARIN CA
Recording DateJan 11, 2021
Property Address280 RICHARDSON DR, MILL VALLEY, CA 94941-2557
Document Number0000001995
Instrument DateJan 07, 2021
Instrument1995
Transaction TypeTransfer
Record UpdatedJan 21, 2021
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSole Owner
Address280 RICHARDSON DR MILL VALLEY CA 949412557, MILL VALLEY, CA 94941-2557

December 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionMARIN CA
Recording DateDec 18, 2020
Property Address280 RICHARDSON DR, MILL VALLEY, CA 94941-2557
Document Number0000065322
Instrument DateDec 17, 2020
Instrument65322
Transaction TypeTransfer
Record UpdatedJan 05, 2021
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Partial Interest

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSole Owner
Address280 RICHARDSON DR MILL VALLEY CA 949412557, MILL VALLEY, CA 94941-2557

Tax Assessment & Valuation

Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 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

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

YearTax BillAssessed Value
2026$178,134 (+2%) Land $68,121 Building $110,013
2025$5,511.00 (+6.21%) Homeowner's exemption$174,641 (+4.04%) Land $66,785 Building $107,856
2023$5,189.00 (+3.02%) Homeowner's exemption$167,860 Land $64,192 Building $103,668
2022$5,037.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411250002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies3 in force
Nearby Flood Claims2 (1982–1986)
Most Recent ClaimFeb 1986, river or lake flooding, Severe Storms & Flooding

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 459 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
Etheric Communications, LLC.Fixed Wireless (licensed-by-rule)250 / 100
T-Mobile USAFixed Wireless100 / 20
AT&TFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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