309 Ross Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 309 Ross Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,357 sqft · built 1958
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on Record
Last Sale	$662,500 (Aug 2010)
Tax Bill	$15,357 (2025)
Deeds & Mortgages	Feb 2018 Line of Credit Jan 2018 Mortgage
Flood Zone	Zone AH (high risk)
APN	`052-014-06`

Property Details

APN / Parcel Number

Primary APN	`052-014-06`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,357 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1978
Architectural Style	Contemporary
Lot Area	7,500 sqft (0.172 acres)
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Deck Area	243 sqft
Patio Area	243 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	309 ROSS DR
City	MILL VALLEY
State	CA
Zip	94941-3884
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	KAY PARK
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3005
Census Tract	128100

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 Individual Names on Record
Mailing Address	309 ROSS DR, MILL VALLEY, CA 94941-3884
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Feb 15, 2018	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Jan 19, 2018	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 31, 2010 · Amount on Record
Deed Sale	Aug 31, 2010 · Amount on Record
Deed Document Number	201042321
Prior Transfer Date	Aug 22, 2008
Prior Transfer Doc	0000040184
Record Updated	Oct 29, 2026

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	309 ROSS DR, MILL VALLEY, CA 94941-3884
Transaction Type	Mortgage
Record Updated	Feb 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000004764
Date	Feb 15, 2018
Instrument	2018-0004764

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Mar 8, 2048

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	309 ROSS DR, MILL VALLEY, CA 94941-3884
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001629
Date	Jan 19, 2018
Instrument	2018-0001629

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2048

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		$865,702 (+2%) Land $620,692 Building $245,010
2025	$15,357.00 (+6.41%) Homeowner's exemption	$848,728 (+4.04%) Land $608,522 Building $240,206
2023	$14,432.00 (+4.13%) Homeowner's exemption	$815,781 Land $584,900 Building $230,881
2022	$13,859.00

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 AH high risk · shallow ponding 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	11.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 88 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	88 in force
Nearby Flood Claims	120 (1978–2026)
Claims Outside the SFHA	13 of 120
Most Recent Claim	Jan 2026 · other causes
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 5 claims Coastal Storms, Floods, Slides & Tornadoes, Feb 1983 · 6 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 29 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 64% of the US · lower than 79% of California
Wildfire Likelihood	0.05% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 436 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Unwired, Verizon.

Nearby Properties on Ross Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures