366 Summit Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 366 Summit Ave, Mill Valley, CA 94941 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	5 Beds
Bathrooms	3.5 Baths
Year Built	Built 1992
Square Footage	4,642 sqft Living Area
Lot Size	1.17 acres
Occupancy	Owner Occupied
Last Sale	$2,785,000 (2014)
Tax Bill	$42,288.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`027-181-60`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Partial Baths	1 Partial Baths
Building Area	4,642 sqft Living Area
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1992
Architectural Style	Contemporary Style
Lot Area	51,126 sqft
Pool Area	495 sqft Pool
Deck Area	1,018 sqft Deck
Patio Area	1,018 sqft Patio

Utilities and HVAC

Heating System	Central Heating

Location & Zoning

Street Address	366 SUMMIT AVE
City	MILL VALLEY
State	CA
Zip	94941-1001
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Subdivision	TAMALPAIS LAND & WATER CO MAP
Legal Lot Number	221
Jurisdiction	MARIN CA
Minor Civil Division	SOUTHEAST MARIN
Census Blockgroup	5
Census Block	5006
Census Tract	127000

Owner

Source: Marin County records · APN 027-181-60

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	366 SUMMIT AVE, MILL VALLEY, CA 94941-1001
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 25, 2014 · Amount on Record
Deed Sale	Sep 25, 2014 · Amount on Record
Prior Sale	Nov 30, 2007 · Amount on Record
Deed Doc Number	201439851
Record Refreshed	Sep 20, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	366 SUMMIT AVE, MILL VALLEY, CA 94941-1001
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	366 SUMMIT AVE, MILL VALLEY, CA 94941-1001

Mortgage

Document Number	0000052162
Date	Oct 26, 2020
Instrument	2020-0052162

Lender

Name	BYLINE BANK
Type	Bank
Address	SCHAUMBURG, IL 60173

Agreement

Type	Small Business Association Mortgage
Amount	Amount Recorded

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		$3,413,964 (+2%) Land $1,838,760 Building $1,575,204
2025	$42,288.00 (+7.13%) Homeowner's exemption	$3,347,040 (+4.04%) Land $1,802,715 Building $1,544,325
2023	$39,475.00 (+3.76%) Homeowner's exemption	$3,217,092 Land $1,732,725 Building $1,484,367
2022	$38,046.00

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	Low above 34% of the US · above 20% of California
Wildfire Likelihood	About 1 in 2,381 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.