23 Heron Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 23 Heron Dr, Mill Valley, CA 94941

Property Summary

Property TypeSingle Family Home
Details4 bd · 4.5 ba · 4,365 sqft · built 1998
Lot Size0.33 acres (14,375 sqft)
Owner2 Company Names on Record
Last Sale$5,500,000 (Mar 2026)
Tax Bill$52,067 (2025)
Deeds & MortgagesMar 2026 Sale
Nov 2021 Mortgage
+ 3 more
Flood ZoneZone X (minimal risk)
APN043-370-09

Property Details

APN / Parcel Number

Primary APN043-370-09

Interior

Bedrooms4 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Building Area4,365 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1998
Effective Year BuiltEffective 2004
Architectural StyleContemporary
Lot Area14,375 sqft (0.33 acres)
Garage Area770 sqft
Parking Spaces3 Parking Spaces
Deck Area1,179 sqft
Patio Area1,179 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address23 HERON DR
CityMILL VALLEY
StateCA
Zip94941-3264
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionL2&L3+ /B20P16 M STRAWBERRY POINT
Legal SubdivisionSTRAWBERRY POINT
Legal Lot Number54
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group1
Census Block1002
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 Address23 HERON DR, MILL VALLEY, CA 94941-3264
Owner TypeCompany
VestingTrust, Revocable Living Trust

Deeds, Mortgages & Sale History

DateDocument
Mar 25, 2026Grant Deed, Transfer
OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Nov 15, 2021Deed of Trust, Mortgage · Conventional Mortgage
STIFEL BANK & TRUST
Jul 9, 2021Grant Deed, Transfer
OLD REPUBLIC TITLE COMPANY
Nov 3, 2017Intrafamily Transfer, Transfer · ARM
FIRST REPUBLIC BANK
May 4, 2017Grant Deed, Transfer
STEWART TITLE, STEWART TITLE/CA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 25, 2026 · Amount on Record
Deed SaleMar 25, 2026 · Amount on Record
Prior SaleJul 9, 2021 · Amount on Record
Deed Document Number20268056
Transfer Doc0000021945
Record UpdatedOct 29, 2026

March 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateMar 25, 2026
Property Address23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number0000008056
Map ReferenceVOL 20 PG 16
Instrument DateMar 5, 2026
Instrument2026-0008056
Transaction TypeTransfer
Record UpdatedApr 8, 2026
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$6,050.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Living Trust
Address23 HERON DR, MILL VALLEY, CA 94941-3264

November 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address23 HERON DR, MILL VALLEY, CA 94941-3264
Transaction TypeMortgage
Record UpdatedDec 1, 2021
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address23 HERON DR, MILL VALLEY, CA 94941-3264

Mortgage

Document Number0000068351
DateNov 15, 2021
Instrument2021-0068351
Lender
NameSTIFEL BANK & TRUST
TypeBank
AddressSAINT LOUIS, MO 63141
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term358 Months
DueSep 1, 2051

July 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateJul 9, 2021
Property Address23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number0000044953
Map ReferenceVOL 20 PG 16
Instrument DateJul 6, 2021
Instrument2021-0044953
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$4,251.50
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address23 HERON DR, MILL VALLEY, CA 94941-3264

November 2017: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionMARIN CA
Recording DateNov 3, 2017
Property Address23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number0000044016
Map ReferenceVOL20 PG16
Instrument DateOct 30, 2017
Instrument2017-0044016
Transaction TypeTransfer
Record UpdatedAug 13, 2021
Title CompanyFIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address23 HERON DR, MILL VALLEY, CA 94941-3264

Mortgage

Document Number0000044017
DateNov 3, 2017
Instrument2017-0044017
Lender
NameFIRST REPUBLIC BANK
TypeBank
Agreement
TypeARM
AmountAmount Recorded
Term360 Months
DueNov 1, 2047
Interest
Rate TypeAdjustable Rate
Rate2.2%
Type Change DateDec 1, 2017
Change FrequencyAnnually
Min Rate At Change2.15%
Max Rate At Change9.95%
IndexOther

May 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateMay 4, 2017
Property Address23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number0000018091
Instrument DateApr 27, 2017
Instrument18091
Transaction TypeTransfer
Record UpdatedMay 16, 2017
Title CompanySTEWART TITLE, STEWART TITLE/CA

Transaction

AmountAmount Recorded
Tax$3,528.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
AddressPO BOX 77642 SAN FRANCISCO CA 941070642, SAN FRANCISCO, CA 94107-0642

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$4,383,800 (+2%) Land $2,273,082 Building $2,110,718
2025$52,067.00 (+5.2%)$4,297,860 (+4.04%) Land $2,228,520 Building $2,069,340
2023$49,494.00 (+8.21%)$4,131,000 Land $2,142,000 Building $1,989,000
2022$45,737.00

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 VE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 29 individual policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies81 units insured
incl. 52 condo units
Nearby Flood Claims24 (1978–2014)
Claims Outside the SFHA2 of 24
Most Recent ClaimDec 2014 · rainfall accumulation
Claims by Event
  • Severe Winter Storms And Flooding, Mar 1998 · 3 claims
  • Coastal Storms, Floods, Slides & Tornadoes, Feb 1983 · 4 claims
  • Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 2 claims

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 RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 185 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

May also be available: T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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