28 Cornelia Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 28 Cornelia Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,217 sqft · built 1940
Lot Size	0.117 acres (5,100 sqft)
Owner	2 Company Names on Record
Last Sale	$1,365,000 (Jun 2012)
Tax Bill	$24,403 (2025)
Deeds & Mortgages	May 2021 Mortgage Sep 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`028-041-10`

Property Details

APN / Parcel Number

Primary APN	`028-041-10`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,217 sqft Living Area
Basement Area	126 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	5,100 sqft (0.117 acres)
Deck Area	385 sqft
Patio Area	385 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	28 CORNELIA AVE
City	MILL VALLEY
State	CA
Zip	94941-1806
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 1 PG 101 BLK 4 PART OF LOT 2,3
Legal Subdivision	TAMALPAIS LAND & WATER CO MAP
Legal Block	4A
Legal Lot Number	2,3
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	4
Census Block	4005
Census Tract	127000

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 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.

Owner

Source: Marin County records, as of July 13, 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 Record
Mailing Address	28 CORNELIA AVE, MILL VALLEY, CA 94941-1806
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Living Trust

Deeds, Mortgages & Sale History

Date	Document
May 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage PNC BANK NA
Sep 4, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 26, 2012 · Amount on Record
Deed Sale	Jun 26, 2012 · Amount on Record
Prior Sale	Jun 30, 2005 · Amount on Record
Deed Document Number	201238467
Last Transfer Date	Aug 23, 2019
Transfer Doc	0000031930
Record Updated	Sep 20, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	28 CORNELIA AVE, MILL VALLEY, CA 94941-1806
Transaction Type	Mortgage
Record Updated	Jun 9, 2021
Title Company	NATIONAL LINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	28 CORNELIA AVE, MILL VALLEY, CA 94941-1806

Mortgage

Document Number	0000035511
Date	May 28, 2021
Instrument	2021-0035511

Lender

Name	PNC BANK NA
Type	Bank
Address	MIAMISBURG, OH 45342

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2051

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Sep 4, 2019
Property Address	28 CORNELIA AVE, MILL VALLEY, CA 94941-1806
Document Number	0000031930
Instrument Date	Aug 23, 2019
Instrument	31930
Transaction Type	Transfer
Record Updated	Sep 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	28 CORNELIA AVE MILL VALLEY CA 949411806, MILL VALLEY, CA 94941-1806

Tax Assessment & Valuation

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		$1,815,772 (+2%) Land $977,479 Building $838,293
2025	$24,403.00 (+3.12%) Homeowner's exemption	$1,780,182 (+4.04%) Land $958,320 Building $821,862
2023	$23,665.00 (+6.27%) Homeowner's exemption	$1,711,071 Land $921,116 Building $789,955
2022	$22,268.00

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

Flood

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 Record median of 10 policies
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

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

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile, Unwired.

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