4 Oak St, Mill Valley, CA 94941 Property Records

Marin County property record for 4 Oak St, Mill Valley, CA 94941 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,684 sqft · built 1970
Lot Size	0.116 acres (5,037 sqft)
Owner	2 Company Names on File
Last Sale	$1,100,000 (Jun 2004)
Tax Bill	$21,534 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Apr 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`028-041-16`

Property Details

APN / Parcel Number

Primary APN	`028-041-16`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	6 Rooms
Building Area	2,684 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1971
Architectural Style	Contemporary
Lot Area	5,037 sqft (0.116 acres)
Deck Area	529 sqft
Patio Area	529 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	4 OAK ST
City	MILL VALLEY
State	CA
Zip	94941-1859
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	TAMALPAIS LAND & WATER CO MAP
Legal Block	4A
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	4
Census Block	4005
Census Tract	127000

Owner

Source: Marin County records · APN 028-041-16

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	2 Company Names on File
Mailing Address	4 OAK ST, MILL VALLEY, CA 94941-1859
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Oct 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Apr 02, 2020	Deed of Trust, Mortgage QUICKEN LNS
Apr 12, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 03, 2004 · Amount on Record
Deed Sale	Jun 03, 2004 · Amount on Record
Deed Document Number	200448572
Last Transfer Date	Apr 15, 2014
Transfer Doc	0000015095
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	4 OAK ST, MILL VALLEY, CA 94941-1859
Transaction Type	Mortgage
Record Updated	Nov 08, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 OAK ST, MILL VALLEY, CA 94941-1859

Mortgage

Document Number	0000065453
Date	Oct 28, 2021
Instrument	2021-0065453

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2051

Interest

Rate Type	Adjustable Rate
Rate	2%
Type Change Date	Nov 01, 2026
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	4%
Index	Other
Margin	3
Max Rate	7%

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	4 OAK ST, MILL VALLEY, CA 94941-1859
Document Number	0000014740
Instrument Date	Apr 02, 2020
Transaction Type	Mortgage
Record Updated	May 11, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 OAK ST MILL VALLEY CA 949411859, MILL VALLEY, CA 94941-1859

Mortgage

Document Number	0000014740
Date	Apr 15, 2020
Instrument	14740

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Apr 14, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.75%

April 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Apr 12, 2017
Property Address	4 OAK ST, MILL VALLEY, CA 94941-1859
Document Number	0000014851
Instrument Date	Apr 05, 2017
Instrument	14851
Transaction Type	Transfer
Record Updated	Apr 28, 2017
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	Personal Trust
Address	4 OAK ST MILL VALLEY CA 949411859, MILL VALLEY, CA 94941-1859

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
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

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

Year	Tax Bill	Assessed Value
2026		$1,595,153 (+2%) Land $987,545 Building $607,608
2025	$21,534.00 (+4.22%)	$1,563,880 (+4.04%) Land $968,184 Building $595,696
2023	$20,663.00 (+6.29%)	$1,503,160 Land $930,593 Building $572,567
2022	$19,441.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411270004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 10 individual NFIP policies nearby
Nearby Flood Policies	10 in force
Nearby Flood Claims	2 (2005–2007)
Claims Outside the SFHA	1 of 2
Most Recent Claim	May 2007, other causes

Wildfire

Wildfire Risk	Low above 20% of the US · above 11% of California
Wildfire Likelihood	About 1 in 5,556 per year
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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.

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026

Listed Area	Within Dipsea Trail, The listed 2010 · 1 contributing resources · NRIS 10000356

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 595 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Verizon	Fixed Wireless	300 / 20

May also be available at this address: Unwired, T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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