319 Ralston Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 319 Ralston Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 3,292 sqft · built 1987
Lot Size	0.797 acres (34,717 sqft)
Owner	2 Company Names on File
Last Sale	$1,750,000 (Oct 2018)
Tax Bill	$26,874 (2025)
Deeds & Mortgages	Aug 2019 Mortgage Jan 2019 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`027-031-05`

Property Details

APN / Parcel Number

Primary APN	`027-031-05`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Building Area	3,292 sqft Living Area
Basement Area	156 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1994
Architectural Style	Contemporary
Lot Area	34,717 sqft (0.797 acres)
Garage Area	520 sqft
Parking Spaces	2 Parking Spaces
Deck Area	1,602 sqft
Patio Area	1,694 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	319 RALSTON AVE
City	MILL VALLEY
State	CA
Zip	94941-4539
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L14&L18* /
Legal Subdivision	TAMALPAIS LAND & WATER CO MAP
Legal Lot Number	14,18
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	5
Census Block	5000
Census Tract	127000

Owner

319 Ralston Ave is owned by a company that bought it in October 2018.

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

Owner of Record	2 Company Names on File
Mailing Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539
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
Aug 16, 2019	Deed of Trust, Mortgage OCMBC INC
Jan 3, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Oct 10, 2018	Grant Deed, Transfer · ARM NATIONS DIRECT MORTGAGE LLC
Oct 10, 2018	Grant Deed, Transfer FIRST AMERICAN TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 10, 2018 · Amount on File
Deed Sale	Oct 10, 2018 · Amount on File
Deed Document Number	201835325
Prior Transfer Date	Mar 8, 1994
Prior Transfer Doc	0000025467
Record Updated	Oct 29, 2026

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539
Document Number	0000030544
Instrument Date	Aug 16, 2019
Transaction Type	Mortgage
Record Updated	Sep 4, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	319 RALSTON AVE MILL VALLEY CA 949414539, MILL VALLEY, CA 94941-4539

Mortgage

Document Number	0000030544
Date	Aug 26, 2019
Instrument	30544

Lender

Name	OCMBC INC
Address	19000 MACARTHUR BLVD # 200, IRVINE, CA 92612-1420

Agreement

Amount	Amount on Record
Term	360 Months
Due	Aug 25, 2049

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jan 3, 2019
Property Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539
Document Number	0000000321
Instrument Date	Dec 14, 2018
Instrument	321
Transaction Type	Transfer
Record Updated	Jan 17, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	319 RALSTON AVE MILL VALLEY CA 949414539, MILL VALLEY, CA 94941-4539

October 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Oct 10, 2018
Property Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539
Document Number	0000035325
Instrument Date	Oct 5, 2018
Instrument	2018-0035325
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIRST AMERICAN TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539

Mortgage

Document Number	0000035326
Date	Oct 10, 2018
Instrument	2018-0035326

Lender

Name	NATIONS DIRECT MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	6.25%
Type Change Date	Nov 1, 2023
Change Frequency	Annually
Min Rate At Change	4.25%
Max Rate At Change	8.25%
Index	1-Year LIBOR
Max Rate	11.2%

October 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Oct 10, 2018
Property Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539
Document Number	0000035327
Instrument Date	Oct 2, 2018
Instrument	2018-0035327
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIRST AMERICAN TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	319 RALSTON AVE, MILL VALLEY, CA 94941-4539

Tax Assessment & Valuation

The 2025 property tax bill for 319 Ralston Ave was $26,874.

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Mill Valley City
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		$1,987,753 (+2%) Land $895,456 Building $1,092,297
2025	$26,874.00	$1,948,778 Land $877,898 Building $1,070,880
2023	$25,773.00 (+4.87%)	$1,873,115 Land $843,813 Building $1,029,302
2022	$24,575.00

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

Flood

FEMA maps place 319 Ralston Ave in Zone X, an area of minimal flood risk, though there have been 11 flood claims nearby since 1983.

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 14 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	14 in force
Nearby Flood Claims	11 (1983–2017)
Claims Outside the SFHA	4 of 11
Most Recent Claim	Mar 2017 · river or lake flooding
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 3 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 319 Ralston Ave is moderate, ranking above 52% of the US, with a 0.1% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 52% of the US · lower than 69% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation

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

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

Cell Coverage

5G and 4G LTE (outdoors only)

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