1 Throckmorton Ln, Mill Valley, CA 94941 Property Records

Marin County property record for 1 Throckmorton Ln, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,436 sqft · built 1939
Lot Size	0.413 acres (18,000 sqft)
Owner	2 Company Names on Record
Tax Bill	$34,472 (2025)
Deeds & Mortgages	May 2021 Mortgage Aug 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`027-172-13`

Property Details

APN / Parcel Number

Primary APN	`027-172-13`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Building Area	3,436 sqft Living Area
Basement Area	120 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1972
Architectural Style	Contemporary
Lot Area	18,000 sqft (0.413 acres)
Garage Area	592 sqft
Parking Spaces	2 Parking Spaces
Pool Area	400 sqft
Deck Area	1,516 sqft
Patio Area	1,516 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1 THROCKMORTON LN
City	MILL VALLEY
State	CA
Zip	94941-1736
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	OFFICIAL RECS 1 PG 2 PART OF LOT D
Legal Subdivision	TAMALPAIS LAND & WATER CO MAP
Legal Lot Number	D
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	4
Census Block	4002
Census Tract	127000

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	1 THROCKMORTON LN, MILL VALLEY, CA 94941-1736
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
May 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Aug 30, 2019	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA
Aug 30, 2019	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Nov 20, 1997
Transfer Doc	0000067826
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	1 THROCKMORTON LN, MILL VALLEY, CA 94941-1736
Transaction Type	Mortgage
Record Updated	Jun 2, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1 THROCKMORTON LN, MILL VALLEY, CA 94941-1736

Mortgage

Document Number	0000033989
Date	May 21, 2021
Instrument	2021-0033989

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Jun 1, 2031
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	4.5%
Index	Other
Max Rate	7.5%

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	1 THROCKMORTON LN, MILL VALLEY, CA 94941-1736
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000031536
Date	Aug 30, 2019
Instrument	2019-0031536

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Adjustable	Adjustable Rate Rider
Type Change Date	Sep 1, 2029
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.75%
Index	1-Year LIBOR
Max Rate	7.75%

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	1 THROCKMORTON LN, MILL VALLEY, CA 94941-1736
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000031537
Date	Aug 30, 2019
Instrument	2019-0031537

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Sep 26, 2049

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		$2,740,112 (+2%) Land $1,033,457 Building $1,706,655
2025	$34,472.00 (+3.98%) Homeowner's exemption	$2,686,389 (+4.04%) Land $1,013,195 Building $1,673,194
2023	$33,151.00 (+2.18%) Homeowner's exemption	$2,582,080 Land $973,853 Building $1,608,227
2022	$32,444.00

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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	Moderate above 40% of the US · lower than 76% of California
Wildfire Likelihood	0.07% 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 340 locations within half a mile, as of December 31, 2025

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

May also be available: Unwired, Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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