45 Cornelia Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 45 Cornelia Ave, Mill Valley, CA 94941 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	6 Beds
Bathrooms	2.5 Baths
Year Built	Built 1955
Square Footage	4,911 sqft Living Area
Lot Size	26,100 sqft (0.599 acres)
Occupancy	Owner Occupied
Last Sale	$4,500,000 (2019)
Tax Bill	$74,628.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`027-221-31`

Interior

Bedrooms	6 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Building Area	4,911 sqft Living Area
Basement Area	2,321 sqft Basement
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1955
Architectural Style	Contemporary Style
Lot Area	26,100 sqft (0.599 acres)
Deck Area	868 sqft Deck
Patio Area	868 sqft Patio

Utilities and HVAC

Heating System	Central Heating

Location & Zoning

Street Address	45 CORNELIA AVE
City	MILL VALLEY
State	CA
Zip	94941-1801
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Subdivision	TAMALPAIS LAND & WATER CO
Legal Lot Number	147
Jurisdiction	MARIN CA
Minor Civil Division	SOUTHEAST MARIN
Census Blockgroup	4
Census Block	4001
Census Tract	127000

Owner

Source: Marin County records · APN 027-221-31

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	45 CORNELIA AVE, MILL VALLEY, CA 94941-1801
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	Nov 08, 2019 · Amount on Record
Deed Sale	Nov 08, 2019 · Amount on Record
Deed Doc Number	201942208
Prior Transfer Date	Nov 25, 2013
Prior Transfer Doc	0000072793
Record Refreshed	Sep 20, 2026

November 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Nov 08, 2019
Property Address	45 CORNELIA AVE, MILL VALLEY, CA 94941-1801
Document Number	0000042208
Instrument Date	Nov 05, 2019
Instrument	2019-0042208
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$4,950.00
Amount Accuracy	Rounded Values by County
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	45 CORNELIA AVE, MILL VALLEY, CA 94941-1801

Mortgage

Document Number	0000042209
Date	Nov 08, 2019
Instrument	2019-0042209

Lender

Name	HSBC BANK USA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 01, 2049

Interest

Rate Type	Adjustable Rate
Rate	2.78%
Type Change Date	Dec 01, 2029
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.78%
Index	1-Year LIBOR
Max Rate	7.78%

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		$6,425,676 (+2%) Land $2,933,765 Building $3,491,911
2025	$74,628.00 (+30.04%) Homeowner's exemption	$6,299,693 (+30.46%) Land $2,876,246 Building $3,423,447
2023	$57,389.00 (+5.05%) Homeowner's exemption	$4,828,688 Land $2,764,577 Building $2,064,111
2022	$54,632.00

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 32% of the US · above 19% of California
Wildfire Likelihood	About 1 in 2,778 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.