12 Heron Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 12 Heron Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,483 sqft · built 1990
Lot Size	0.2 acres (8,712 sqft)
Owner	2 Company Names on File
Last Sale	$3,325,000 (Sep 2017)
Tax Bill	$46,119 (2025)
Deeds & Mortgages	Oct 2017 Transfer Oct 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`043-384-02`

Property Details

APN / Parcel Number

Primary APN	`043-384-02`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Building Area	3,483 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Effective Year Built	Effective 2000
Architectural Style	Contemporary
Lot Area	8,712 sqft (0.2 acres)
Garage Area	678 sqft
Parking Spaces	2 Parking Spaces
Deck Area	1,740 sqft
Patio Area	1,740 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	12 HERON DR
City	MILL VALLEY
State	CA
Zip	94941-3271
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 20 PG 16 LOT 10
Legal Subdivision	STRAWBERRY POINT
Legal Lot Number	10
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1002
Census Tract	125000

Owner

12 Heron Dr is owned by a company that acquired it in October 2017 and is owner-occupied.

Source: Marin County records, as of August 27, 2026

Owner of Record	2 Company Names on File
Mailing Address	12 HERON DR, MILL VALLEY, CA 94941-3271
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Oct 19, 2017	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Oct 19, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage FIRST BANK
Sep 1, 2017	Grant Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 1, 2017 · Amount on File
Deed Sale	Sep 1, 2017 · Amount on File
Prior Sale	May 31, 2007 · Amount on File
Deed Document Number	201735141
Last Transfer Date	Oct 5, 2017
Transfer Doc	0000041555
Record Updated	Oct 29, 2026

October 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Oct 19, 2017
Property Address	12 HERON DR, MILL VALLEY, CA 94941-3271
Document Number	0000041557
Instrument Date	Oct 5, 2017
Instrument	41557
Transaction Type	Transfer
Record Updated	Nov 3, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4024 STONE CANYON AVE SHERMAN OAKS CA 914034541, SHERMAN OAKS, CA 91403-4541

October 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Oct 19, 2017
Property Address	12 HERON DR, MILL VALLEY, CA 94941-3271
Document Number	0000041555
Map Reference	VOL20 PG 16
Instrument Date	Oct 5, 2017
Instrument	2017-0041555
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	OLD REPUBLIC TITLE CO

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	4024 STONE CANYON AVE, SHERMAN OAKS, CA 91403-4541

Mortgage

Document Number	0000041556
Date	Oct 19, 2017
Instrument	2017-0041556

Lender

Name	FIRST BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2047

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Sep 1, 2017
Property Address	12 HERON DR, MILL VALLEY, CA 94941-3271
Document Number	0000035141
Instrument Date	Aug 22, 2017
Instrument	35141
Transaction Type	Transfer
Record Updated	Sep 13, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Tax	$3,657.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4024 STONE CANYON AVE SHERMAN OAKS CA 914034541, SHERMAN OAKS, CA 91403-4541

Tax Assessment & Valuation

The 2025 property tax bill for 12 Heron Dr was $46,119 with a homeowner's exemption.

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		$3,858,861 (+2%) Land $2,315,317 Building $1,543,544
2025	$46,119.00 Homeowner's exemption	$3,783,217 Land $2,269,930 Building $1,513,287
2023	$43,831.00 (+3.63%) Homeowner's exemption	$3,636,318 Land $2,181,791 Building $1,454,527
2022	$42,295.00

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

Flood

FEMA maps place 12 Heron Dr in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File 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

Wildfire risk around 12 Heron Dr is low, with less than a 0.01% annual chance of 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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