23 Heron Dr, Mill Valley, CA 94941 Property Records

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

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 4,365 sqft · built 1998
Lot Size	0.33 acres (14,375 sqft)
Owner	2 Company Names on Record
Last Sale	$5,500,000 (Mar 2026)
Tax Bill	$52,067 (2025)
Deeds & Mortgages	Mar 2026 Sale Nov 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`043-370-09`

Property Details

APN / Parcel Number

Primary APN	`043-370-09`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Building Area	4,365 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1998
Effective Year Built	Effective 2004
Architectural Style	Contemporary
Lot Area	14,375 sqft (0.33 acres)
Garage Area	770 sqft
Parking Spaces	3 Parking Spaces
Deck Area	1,179 sqft
Patio Area	1,179 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	23 HERON DR
City	MILL VALLEY
State	CA
Zip	94941-3264
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L2&L3+ /B20P16 M STRAWBERRY POINT
Legal Subdivision	STRAWBERRY POINT
Legal Lot Number	54
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1002
Census Tract	125000

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 Record	2 Company Names on Record
Mailing Address	23 HERON DR, MILL VALLEY, CA 94941-3264
Owner Type	Company
Vesting	Trust, Revocable Living Trust

Deeds, Mortgages & Sale History

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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 25, 2026 · Amount on Record
Deed Sale	Mar 25, 2026 · Amount on Record
Prior Sale	Jul 9, 2021 · Amount on Record
Deed Document Number	20268056
Transfer Doc	0000021945
Record Updated	Oct 29, 2026

March 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Mar 25, 2026
Property Address	23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number	0000008056
Map Reference	VOL 20 PG 16
Instrument Date	Mar 5, 2026
Instrument	2026-0008056
Transaction Type	Transfer
Record Updated	Apr 8, 2026
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$6,050.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Living Trust
Address	23 HERON DR, MILL VALLEY, CA 94941-3264

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	23 HERON DR, MILL VALLEY, CA 94941-3264
Transaction Type	Mortgage
Record Updated	Dec 1, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23 HERON DR, MILL VALLEY, CA 94941-3264

Mortgage

Document Number	0000068351
Date	Nov 15, 2021
Instrument	2021-0068351

Lender

Name	STIFEL BANK & TRUST
Type	Bank
Address	SAINT LOUIS, MO 63141

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	358 Months
Due	Sep 1, 2051

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 9, 2021
Property Address	23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number	0000044953
Map Reference	VOL 20 PG 16
Instrument Date	Jul 6, 2021
Instrument	2021-0044953
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$4,251.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23 HERON DR, MILL VALLEY, CA 94941-3264

November 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Nov 3, 2017
Property Address	23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number	0000044016
Map Reference	VOL20 PG16
Instrument Date	Oct 30, 2017
Instrument	2017-0044016
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	23 HERON DR, MILL VALLEY, CA 94941-3264

Mortgage

Document Number	0000044017
Date	Nov 3, 2017
Instrument	2017-0044017

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	2.2%
Type Change Date	Dec 1, 2017
Change Frequency	Annually
Min Rate At Change	2.15%
Max Rate At Change	9.95%
Index	Other

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	May 4, 2017
Property Address	23 HERON DR, MILL VALLEY, CA 94941-3264
Document Number	0000018091
Instrument Date	Apr 27, 2017
Instrument	18091
Transaction Type	Transfer
Record Updated	May 16, 2017
Title Company	STEWART TITLE, STEWART TITLE/CA

Transaction

Amount	Amount Recorded
Tax	$3,528.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	PO 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

Type	Name
State	California
County	Marin County
Elementary School District	Mill Valley Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed 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 Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone VE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 29 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	81 units insured incl. 52 condo units
Nearby Flood Claims	24 (1978–2014)
Claims Outside the SFHA	2 of 24
Most Recent Claim	Dec 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 Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002
Water Source	Surface water
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2019–2021) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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