321 Summit Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 321 Summit Ave, Mill Valley, CA 94941 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms5 Beds
Bathrooms4.5 Baths
Year BuiltBuilt 2006
Square Footage4,595 sqft Living Area
Lot Size26,100 sqft (0.599 acres)
OccupancyOwner Occupied
Last Sale$6,800,000 (2022)
Tax Bill$86,500.00 (2025)

Property Details

APN / Parcel Number

Primary APN027-191-21

Interior

Bedrooms5 Beds
Full Baths4.5 Baths
Partial Baths1 Partial Baths
Building Area4,595 sqft Living Area
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1935
Effective Year BuiltEffective 2006
Architectural StyleContemporary Style
Lot Area26,100 sqft (0.599 acres)
Parking Spaces2 Parking Spaces
Garage Area400 sqft Garage
Deck Area440 sqft Deck
Patio Area440 sqft Patio

Utilities and HVAC

Heating SystemCentral Heating

Location & Zoning

Street Address321 SUMMIT AVE
CityMILL VALLEY
StateCA
Zip94941-1001
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal SubdivisionTAMALPAIS LAND & WATER CO MAP
Legal Lot Number136
JurisdictionMARIN CA
Minor Civil DivisionSOUTHEAST MARIN
Census Blockgroup5
Census Block5001
Census Tract127000

Owner

Source: Marin County records · APN 027-191-21

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 Company Names on File
Mailing Address321 SUMMIT AVE, MILL VALLEY, CA 94941-1001
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Living Trust

Deeds, Mortgages & Sale History

DateDocument
Apr 15, 2022Grant Deed, Transfer · Conventional Mortgage
FIRST REPUBLIC BANK
Mar 09, 2020Grant Deed, Transfer
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleApr 15, 2022 · Amount on Record
Deed SaleApr 15, 2022 · Amount on Record
Prior SaleMar 09, 2020 · Amount on Record
Deed Doc Number202216049
Prior Transfer DateJul 07, 2010
Prior Transfer Doc0000034378
Record RefreshedSep 20, 2026

April 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateApr 15, 2022
Property Address321 SUMMIT AVE, MILL VALLEY, CA 94941-1001
Document Number0000016049
Map ReferenceMB 1 PG 101
Instrument DateApr 12, 2022
Instrument2022-0016049
Transaction TypeTransfer
Record UpdatedJun 07, 2023
Title CompanyFIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$7,480.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Living Trust
Address321 SUMMIT AVE, MILL VALLEY, CA 94941-1001

Mortgage

Document Number0000016050
DateApr 15, 2022
Instrument2022-0016050
Lender
NameFIRST REPUBLIC BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 01, 2052
Interest
Rate TypeAdjustable Rate
Rate2.45%
Type Change DateMay 01, 2032
Change FrequencyAnnually
Min Rate At Change2.95%
Index1-Year CMT
Max Rate10.9%

March 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateMar 09, 2020
Property Address321 SUMMIT AVE, MILL VALLEY, CA 94941-1001
Document Number0000009265
Instrument DateMar 02, 2020
Instrument9265
Transaction TypeTransfer
Record UpdatedMar 24, 2020
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$5,610.00
Amount AccuracyFull Value
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address321 SUMMIT AVE MILL VALLEY CA 949411001, MILL VALLEY, CA 94941-1001

Mortgage

Document Number9266
DateMar 09, 2020
Instrument9266
Lender
NameBANK OF AMERICA
TypeBank
Address101 S TRYON ST, CHARLOTTE, NC 28280-0002
Agreement
AmountAmount Recorded
Term360 Months
DueMar 08, 2050

Tax Assessment & Valuation

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

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

YearTax BillAssessed Value
2026$7,418,822 (+2%) Land $4,437,922 Building $2,980,900
2025$86,500.00 (+4.64%)$7,273,382 (+4.34%) Land $4,350,920 Building $2,922,462
2023$82,664.00 (+31%)$6,971,000 Land $4,182,000 Building $2,789,000
2022$63,101.00

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 RiskLow
above 34% of the US · above 20% of California
Wildfire LikelihoodAbout 1 in 2,381 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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

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