305 Ross Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 305 Ross Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,608 sqft · built 1949
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on File
Last Sale	$1,230,000 (Oct 2025)
Tax Bill	$24,121 (2025)
Deeds & Mortgages	Oct 2025 Sale & Mortgage Jul 2023 Transfer
Flood Zone	Zone AH (high risk)
APN	`052-014-03`

Property Details

APN / Parcel Number

Primary APN	`052-014-03`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Building Area	1,608 sqft Living Area
Basement Area	132 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1964
Architectural Style	Contemporary
Lot Area	7,500 sqft (0.172 acres)
Parking Spaces	1 Parking Space
Deck Area	188 sqft
Patio Area	188 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	305 ROSS DR
City	MILL VALLEY
State	CA
Zip	94941-3848
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	KAY PARK 01
Legal Lot Number	30
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3005
Census Tract	128100

Owner

305 Ross Dr is owned and occupied by two individuals who bought it in October 2025.

Source: Marin County records, as of July 13, 2026

Owner of Record	2 Individual Names on File
Mailing Address	305 ROSS DR, MILL VALLEY, CA 94941-3848
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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 27, 2025	Grant Deed, Transfer · Commercial Mortgage THE WANDA L ROE TRUST
Jul 14, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 27, 2025 · Amount on File
Deed Sale	Oct 27, 2025 · Amount on File
Deed Document Number	202527593
Prior Transfer Date	Jul 7, 2023
Prior Transfer Doc	0000017541
Record Updated	Sep 20, 2026

October 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Oct 27, 2025
Property Address	305 ROSS DR, MILL VALLEY, CA 94941-3848
Document Number	0000027593
Map Reference	VOL 6 PG 34
Instrument Date	Oct 23, 2025
Instrument	2025-0027593
Transaction Type	Transfer
Record Updated	Apr 2, 2026
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,353.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	305 ROSS DR, MILL VALLEY, CA 94941-3848

Mortgage

Document Number	0000027594
Date	Oct 27, 2025
Instrument	2025-0027594

Lender

Name	THE WANDA L ROE TRUST
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Jul 14, 2023
Property Address	305 ROSS DR, MILL VALLEY, CA 94941-3848
Document Number	0000017542
Map Reference	VOL 6 PG 34
Instrument Date	Jul 13, 2023
Instrument	2023-0017542
Transaction Type	Transfer
Record Updated	Jul 27, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	305 ROSS DR, MILL VALLEY, CA 94941-3848

Tax Assessment & Valuation

The 2025 property tax bill for 305 Ross Dr was $24,121.

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		$1,450,000 (-21.92%) Land $850,000 Building $600,000
2025	$24,121.00 Homeowner's exemption	$1,857,100 Land $1,061,200 Building $795,900
2023	$5,220.00 (-8.74%) Homeowner's exemption	$157,966 Land $27,099 Building $130,867
2022	$5,720.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 305 Ross Dr in Zone AH, a high-risk flood area; flood insurance is required for federally backed loans.

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 File 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

Wildfire risk around 305 Ross Dr is low, with a 0.05% annual chance of 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.

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