24 Underhill Rd, Mill Valley, CA 94941 Property Records

Marin County property record for 24 Underhill Rd, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,826 sqft · built 1962
Lot Size	0.266 acres (11,571 sqft)
Owner	2 Company Names on Record
Tax Bill	$5,673 (2025)
Deeds & Mortgages	Jul 2023 Transfer Feb 2023 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`033-153-10`

Property Details

APN / Parcel Number

Primary APN	`033-153-10`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,826 sqft Living Area
Basement Area	336 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1962
Architectural Style	Contemporary
Lot Area	11,571 sqft (0.266 acres)
Garage Area	529 sqft
Parking Spaces	2 Parking Spaces
Deck Area	322 sqft
Patio Area	322 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	24 UNDERHILL RD
City	MILL VALLEY
State	CA
Zip	94941-1424
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L4 /B10P69 M SCOTT VALLEY #1
Legal Subdivision	SCOTT VLY 01
Legal Tract	1
Legal Lot Number	4
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1000
Census Tract	126200

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	50 LANCASTER AVE, KENTFIELD, CA 94904-1605
Owner Type	Company
Vesting	Trust, Living Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 17, 2023	Intrafamily Transfer, Transfer
Feb 24, 2023	Intrafamily Transfer, Transfer
Feb 24, 2023	Intrafamily Transfer, Transfer
Jun 22, 2020	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Jun 22, 2020	Quit Claim Deed, Transfer QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Dec 3, 1993
Transfer Doc	0000108084
Record Updated	Oct 29, 2026

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Jul 17, 2023
Property Address	24 UNDERHILL RD, MILL VALLEY, CA 94941-1424
Document Number	0000017616
Map Reference	VOL 10 PG 69
Instrument Date	Jun 29, 2023
Instrument	2023-0017616
Transaction Type	Transfer
Record Updated	Aug 3, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	50 LANCASTER AVE, KENTFIELD, CA 94904-1605

February 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Feb 24, 2023
Property Address	24 UNDERHILL RD, MILL VALLEY, CA 94941-1424
Document Number	0000003753
Map Reference	VOL 10 PG 69
Instrument Date	Feb 24, 2023
Instrument	2023-0003753
Transaction Type	Transfer
Record Updated	Mar 8, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	50 LANCASTER AVE, KENTFIELD, CA 94904-1605

February 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Feb 24, 2023
Property Address	24 UNDERHILL RD, MILL VALLEY, CA 94941-1424
Document Number	0000003754
Map Reference	VOL 10 PG 69
Instrument Date	Feb 2, 2023
Instrument	2023-0003754
Transaction Type	Transfer
Record Updated	Mar 8, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	50 LANCASTER AVE, KENTFIELD, CA 94904-1605

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jun 22, 2020
Property Address	24 UNDERHILL RD, MILL VALLEY, CA 94941-1424
Document Number	0000025833
Instrument Date	May 21, 2020
Instrument	25833
Transaction Type	Transfer
Record Updated	Jul 2, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	309 VIA LA PAZ GREENBRAE CA 949041245, GREENBRAE, CA 94904-1245

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jun 22, 2020
Property Address	24 UNDERHILL RD, MILL VALLEY, CA 94941-1424
Document Number	0000025831
Instrument Date	May 21, 2020
Instrument	25831
Transaction Type	Transfer
Record Updated	Jul 2, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	309 VIA LA PAZ GREENBRAE CA 949041245, GREENBRAE, CA 94904-1245

Mortgage

Document Number	25832
Date	Jun 22, 2020
Instrument	25832

Lender

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

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 21, 2050

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		$175,048 (+2%) Land $62,517 Building $112,531
2025	$5,673.00 (-6.49%)	$171,616 (+4.04%) Land $61,291 Building $110,325
2023	$6,067.00 (+1.64%)	$164,953 Land $58,912 Building $106,041
2022	$5,969.00

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 86 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	108 units insured incl. 22 condo units
Nearby Flood Claims	9 (1982–2019)
Claims Outside the SFHA	1 of 9
Most Recent Claim	Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 claims

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 67% of the US · lower than 81% of California
Wildfire Likelihood	0.03% 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 105 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: AT&T.

Cell Coverage

5G and 4G LTE (outdoors only)

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