33 Heron Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 33 Heron Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 3,209 sqft · built 1990
Lot Size	0.25 acres (10,890 sqft)
Owner	Company Name on File
Last Sale	$3,150,000 (Mar 2009)
Tax Bill	$49,149 (2025)
Flood Zone	Zone X (minimal risk)
APN	`043-370-04`

Property Details

APN / Parcel Number

Primary APN	`043-370-04`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Building Area	3,209 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1997
Architectural Style	Contemporary
Lot Area	10,890 sqft (0.25 acres)
Garage Area	742 sqft
Parking Spaces	3 Parking Spaces
Pool Area	280 sqft
Deck Area	1,698 sqft
Patio Area	1,698 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	33 HERON DR
City	MILL VALLEY
State	CA
Zip	94941-3264
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 20 PG 16 LOT 59
Legal Subdivision	STRAWBERRY POINT
Legal Lot Number	59
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1002
Census Tract	125000

Owner

Source: Marin County records · APN 043-370-04

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 Record	Company Name on File
Mailing Address	580 CALIFORNIA ST, 1800, SAN FRANCISCO, CA 94104-1039
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Mar 30, 2009 · Amount on Record
Deed Sale	Mar 30, 2009 · Amount on Record
Prior Sale	Mar 25, 2004 · Amount on Record
Deed Document Number	200915847
Prior Transfer Date	Jan 12, 2007
Prior Transfer Doc	0000059209
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

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

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

Year	Tax Bill	Assessed Value
2026		$4,137,272 (+2%) Land $2,482,363 Building $1,654,909
2025	$49,149.00 (+5.21%) Homeowner's exemption	$4,056,160 (+4.04%) Land $2,433,696 Building $1,622,464
2023	$46,715.00 (+3.64%) Homeowner's exemption	$3,898,691 Land $2,339,215 Building $1,559,476
2022	$45,075.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Communications, LLC. Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 27 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.