40 Mountain Ln, Mill Valley, CA 94941 Property Records

Marin County property record for 40 Mountain Ln, Mill Valley, CA 94941 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	1 Beds
Bathrooms	1 Baths
Year Built	Built 1979
Square Footage	1,038 sqft Living Area
Lot Size	4,750 sqft (0.109 acres)
Occupancy	Owner Occupied
Last Sale	$1,550,000 (2026)
Tax Bill	$8,166.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`045-111-11`

Interior

Bedrooms	1 Beds
Full Baths	1 Baths
Building Area	1,038 sqft Living Area
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1979
Lot Area	4,750 sqft (0.109 acres)
Parking Spaces	2 Parking Spaces
Garage Area	528 sqft Garage
Deck Area	638 sqft Deck
Patio Area	638 sqft Patio

Location & Zoning

Street Address	40 MOUNTAIN LN
City	MILL VALLEY
State	CA
Zip	94941-5008
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Subdivision	MUIR WOODS PARK 03
Legal Lot Number	105
Jurisdiction	MARIN CA
Minor Civil Division	SOUTHEAST MARIN
Census Blockgroup	1
Census Block	1001
Census Tract	128200

Owner

Source: Marin County records · APN 045-111-11

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 Individual Names on File
Mailing Address	40 MOUNTAIN LN, MILL VALLEY, CA 94941-5008
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 27, 2026 · Amount on Record
Deed Sale	Apr 27, 2026 · Amount on Record
Prior Sale	Mar 25, 1999 · Amount on Record
Deed Doc Number	202612203
Prior Transfer Date	Mar 03, 1999
Prior Transfer Doc	0000023881
Record Refreshed	Sep 20, 2026

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Apr 27, 2026
Property Address	40 MOUNTAIN LN, MILL VALLEY, CA 94941-5008
Document Number	0000012203
Instrument Date	Apr 21, 2026
Instrument	202612203
Transaction Type	Transfer
Record Updated	Jul 06, 2026
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$172,205.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	40 MOUNTAIN LN, MILL VALLEY, CA 94941-5008

Mortgage

Document Number	0000012204,
Date	Apr 27, 2026
Instrument	202612204

Lender

Name	GUARANTEED RATE

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 01, 2056

Interest

Rate Type	Fixed Rate
Rate	6.11%
Initial Type	Fixed Rate
Max Rate	-1%

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

Year	Tax Bill	Assessed Value
2026		$527,262 (+2%) Land $296,608 Building $230,654
2025	$8,166.00 (+6.4%) Homeowner's exemption	$516,923 (+4.04%) Land $290,792 Building $226,131
2023	$7,675.00 (+3.77%) Homeowner's exemption	$496,855 Land $279,503 Building $217,352
2022	$7,396.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Moderate above 59% of the US · above 35% of California
Wildfire Likelihood	About 1 in 658 per year
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values are read at the parcel center point; 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.