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12 Shell Rd, Mill Valley, CA 94941 Property Records

Marin County property record for 12 Shell Rd, Mill Valley, CA 94941 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms3 Baths
Year BuiltBuilt 1987
Square Footage2,392 sqft Living Area
Lot Size8,700 sqft (0.2 acres)
OccupancyOwner Occupied
Last Sale$1,700,000 (2018)
Tax Bill$32,894.00 (2025)

Property Details

APN / Parcel Number

Primary APN033-071-15

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms5 Rooms
Building Area2,392 sqft Living Area
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1939
Effective Year BuiltEffective 1987
Architectural StyleContemporary Style
Exterior MaterialAsbestos Exterior
Construction TypeFrame Construction
Roof MaterialComposition Shingle Roof
Lot Area8,700 sqft (0.2 acres)
Deck Area1,454 sqft Deck
Patio Area1,670 sqft Patio

Utilities and HVAC

Heating SystemCentral Heating
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address12 SHELL RD
CityMILL VALLEY
StateCA
Zip94941-1508
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionMAP G3 606
Legal SubdivisionALTO 01
Legal BlockA
Legal Lot Number49
JurisdictionMARIN CA
Minor Civil DivisionSOUTHEAST MARIN
Census Blockgroup1
Census Block1002
Census Tract126200

Owner

Source: Marin County records · APN 033-071-15

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 Record2 Individual Names on File
Mailing Address12 SHELL RD, MILL VALLEY, CA 94941-1508
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Feb 12, 2026Deed of Trust, Mortgage · Line of Credit
MORGAN STANLEY PRIVATE BANK NA
Dec 27, 2018Deed of Trust, Mortgage
BANK OF AMERICA
Sep 19, 2018Grant Deed, Transfer
FIDELITY NATIONAL TITLE

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 19, 2018 · Amount on Record
Deed SaleSep 19, 2018 · Amount on Record
Prior SaleSep 26, 2002 · Amount on Record
Deed Doc Number201833107
Prior Transfer DateJun 16, 2009
Prior Transfer Doc0000035252
Record RefreshedSep 20, 2026

February 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address12 SHELL RD, MILL VALLEY, CA 94941-1508
Transaction TypeMortgage
Record UpdatedFeb 26, 2026

Transferred To (Grantee/Buyer)

NameVerified Name
Address12 SHELL RD, MILL VALLEY, CA 94941-1508

Mortgage

Document Number0000003269
DateFeb 12, 2026
Instrument2026-0003269
Lender
NameMORGAN STANLEY PRIVATE BANK NA
TypeBank
AddressCINCINNATI, OH 45245
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueFeb 01, 2051
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

December 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address12 SHELL RD, MILL VALLEY, CA 94941-1508
Document Number0000000247
Instrument DateDec 27, 2018
Transaction TypeMortgage
Record UpdatedJan 17, 2019
Title CompanyTITLE SERVICE AND LIAISON COMPANIES, SIMPLIFILE LC E-RECORDING

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address12 SHELL RD MILL VALLEY CA 949411508, MILL VALLEY, CA 94941-1508

Mortgage

Document Number0000000247
DateJan 03, 2019
Instrument247
Lender
NameBANK OF AMERICA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
AmountAmount Recorded
Term360 Months
DueJan 02, 2049

September 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateSep 19, 2018
Property Address12 SHELL RD, MILL VALLEY, CA 94941-1508
Document Number0000033107
Instrument DateSep 14, 2018
Instrument33107
Transaction TypeTransfer
Record UpdatedOct 01, 2018
Title CompanyFIDELITY NATIONAL TITLE

Transaction

AmountAmount Recorded
Tax$1,870.00
Amount AccuracyFull Value
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address12 SHELL RD MILL VALLEY CA 949411508, MILL VALLEY, CA 94941-1508

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$2,617,676 (+9.92%) Land $887,491 Building $1,730,185
2025$32,894.00 (+25.88%)$2,381,350 (+30.65%) Land $870,090 Building $1,511,260
2023$26,132.00 (+3.21%)$1,822,722 Land $836,308 Building $986,414
2022$25,320.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

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

Values are read at the parcel center point; lenders make the official flood determination.

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