139 Richardson Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 139 Richardson Dr, Mill Valley, CA 94941

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 1,827 sqft · built 1972
Lot Size0.143 acres (6,241 sqft)
Owner2 Individual Names on Record
Last Sale$2,400,000 (Oct 2023)
Tax Bill$31,040 (2025)
Deeds & MortgagesOct 2023 Sale & Mortgage
Jan 2022 Mortgage
+ 4 more
Flood ZoneZone X (minimal risk)
APN043-071-30

Property Details

APN / Parcel Number

Primary APN043-071-30

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms73 Rooms
Building Area1,827 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1997
Architectural StyleContemporary
Lot Area6,241 sqft (0.143 acres)
Garage Area400 sqft
Parking Spaces2 Parking Spaces
Deck Area152 sqft
Patio Area152 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address139 RICHARDSON DR
CityMILL VALLEY
StateCA
Zip94941-2413
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionSTRAWBERRY HEIGHTS SUB 1
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group3
Census Block3010
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 Individual Names on Record
Mailing Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Oct 23, 2023Grant Deed, Transfer · Conventional Mortgage
BMO BANK NA
Jan 3, 2022Deed of Trust, Mortgage · Conventional Mortgage
BANK OF AMERICA NA
Nov 8, 2021Grant Deed, Transfer
FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY
Sep 28, 2021Grant Deed, Transfer
OLD REPUBLIC TITLE COMPANY
Jun 21, 2019Grant Deed, Transfer
FIRST AMERICAN TITLE
Apr 4, 2019Affidavit of Death, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 23, 2023 · Amount on Record
Deed SaleOct 23, 2023 · Amount on Record
Prior SaleNov 8, 2021 · Amount on Record
Deed Document Number202327983
Record UpdatedOct 29, 2026

October 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateOct 23, 2023
Property Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
Document Number0000027983
Map ReferenceLB 6 PG 21
Instrument DateOct 9, 2023
Instrument2023-0027983
Transaction TypeTransfer
Record UpdatedNov 8, 2023
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$2,640.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413

Mortgage

Document Number0000027984
DateOct 23, 2023
Instrument2023-0027984
Lender
NameBMO BANK NA
TypeBank
AddressCHICAGO, IL 60606
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 1, 2053
Interest
Rate TypeAdjustable Rate
Rate6.37%
Type Change DateNov 1, 2030
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change11.3%
Max Rate11.3%

January 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
Transaction TypeMortgage
Record UpdatedJan 19, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413

Mortgage

Document Number0000000083
DateJan 3, 2022
Instrument2022-0000083
Lender
NameBANK OF AMERICA NA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJan 1, 2052

November 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateNov 8, 2021
Property Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
Document Number0000067259
Map ReferenceMB 1999 PG 196
Instrument DateNov 3, 2021
Instrument2021-0067259
Transaction TypeTransfer
Record UpdatedNov 24, 2021
Title CompanyFIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$2,255.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address5 UNA CT, MILL VALLEY, CA 94941-2786

September 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateSep 28, 2021
Property Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
Document Number0000060018
Map ReferenceLB 6 PG 21
Instrument DateSep 27, 2021
Instrument2021-0060018
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$2,750.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413

June 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateJun 21, 2019
Property Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
Document Number0000021533
Instrument DateJun 18, 2019
Instrument21533
Transaction TypeTransfer
Record UpdatedJul 3, 2019
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount Recorded
Tax$1,298.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address4 BLITHEDALE TER MILL VALLEY CA 949411175, MILL VALLEY, CA 94941-1175

April 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionMARIN CA
Recording DateApr 4, 2019
Property Address139 RICHARDSON DR, MILL VALLEY, CA 94941-2413
Document Number0000010912
Instrument DateFeb 25, 2019
Instrument10912
Transaction TypeTransfer
Record UpdatedApr 17, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address139 RICHARDSON DR MILL VALLEY CA 949412413, MILL VALLEY, CA 94941-2413

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$2,496,960 (+2%) Land $1,456,560 Building $1,040,400
2025$31,040.00 (-2.46%)$2,448,000 (-4.76%) Land $1,428,000 Building $1,020,000
2023$31,822.00 (+4.35%) Homeowner's exemption$2,570,400 Land $1,530,000 Building $1,040,400
2022$30,496.00

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
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies6 in force
Nearby Flood Claims3 (1986–2021)
Most Recent ClaimDec 2021 · 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 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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