53 Castle Rock Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 53 Castle Rock Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,340 sqft · built 1964
Lot Size	0.28 acres (12,180 sqft)
Owner	Individual Name on File
Last Sale	$1,550,000 (Jul 2024)
Tax Bill	$21,743 (2025)
Deeds & Mortgages	Mar 2023 Mortgage Mar 2023 Sale & Construction Loan + 4 more
Flood Zone	Zone X (minimal risk)
APN	`047-052-09`

Property Details

APN / Parcel Number

Primary APN	`047-052-09`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,340 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1966
Architectural Style	Contemporary
Lot Area	12,180 sqft (0.28 acres)
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Deck Area	690 sqft
Patio Area	692 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	53 CASTLE ROCK DR
City	MILL VALLEY
State	CA
Zip	94941-2607
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	MAP OF CASTLE PARK
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2000
Census Tract	128200

Owner

53 Castle Rock Dr is owned and occupied by an individual who bought it in July 2024.

Source: Marin County records, as of September 25, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Surviving Spouse

Deeds, Mortgages & Sale History

Date	Document
Mar 28, 2023	Intrafamily Transfer, Transfer · Commercial Mortgage DAVID PHILIPS
Mar 28, 2023	Grant Deed, Construction Loan · Construction Mortgage LG SERVICING INC
Aug 2, 2022	Trustee's Deed, Foreclosure PACIFIC COAST TITLE COMPANY
Feb 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage ANKUR AGARWAL ETAL
Jan 7, 2021	Affidavit of Death, Transfer OLD REPUBLIC TITLE
Dec 31, 2020	Grant Deed, Transfer NFL DEBT FUND I LP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 26, 2024 · Amount on File
Deed Sale	Jul 26, 2024 · Amount on File
Prior Sale	Mar 28, 2023 · Amount on File
Deed Document Number	202421269
Prior Transfer Date	Aug 1, 2022
Prior Transfer Doc	0000028334
Record Updated	Oct 29, 2026

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Mar 28, 2023
Property Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Document Number	0000007758
Map Reference	MB 3 PG 50
Instrument Date	Mar 14, 2023
Instrument	2023-0007758
Transaction Type	Transfer
Record Updated	Apr 11, 2023
Title Company	FIDELITY NATIONAL TITLE CO

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	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607

Mortgage

Document Number	0000007762
Date	Mar 28, 2023
Instrument	2023-0007762

Lender

Name	DAVID PHILIPS
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Mortgage

Document Number	0000007761
Date	Mar 28, 2023
Instrument	2023-0007761

Lender

Name	MAX BOTTARO
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

March 2023: Grant Deed, Construction Loan

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Mar 28, 2023
Property Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Document Number	0000007759
Map Reference	MB 3 PG 50
Instrument Date	Mar 10, 2023
Instrument	2023-0007759
Transaction Type	Construction Loan
Record Updated	Apr 11, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$770.00
Amount Accuracy	Rounded by County
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607

Mortgage

Document Number	0000007760
Date	Mar 28, 2023
Instrument	2023-0007760

Lender

Name	LG SERVICING INC
Type	Non-Lending Institution

Agreement

Type	Construction Mortgage
Amount	Amount on Record

August 2022: Trustee's Deed, Foreclosure

Document Type	Trustee's Deed
Jurisdiction	MARIN CA
Recording Date	Aug 2, 2022
Property Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Document Number	0000028334
Map Reference	MB 3 PG 50
Instrument Date	Aug 1, 2022
Instrument	2022-0028334
Transaction Type	Foreclosure
Record Updated	Aug 18, 2022
Title Company	PACIFIC COAST TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	567 SAN NICOLAS DR STE 230, 230, NEWPORT BEACH, CA 92660-6510
Mail Care Of	NEWPORT PRIVATE INVESTMENTS INC

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Transaction Type	Mortgage
Record Updated	Mar 10, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	14041 SAN PABLO AVE 124, 124, SAN PABLO, CA 94806-3647

Mortgage

Document Number	0000013797
Date	Feb 26, 2021
Instrument	2021-0013797

Lender

Name	ANKUR AGARWAL ETAL
Type	Private Party
Address	33784 SINSBURY WAY, UNION CITY, CA 94587

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

January 2021: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	MARIN CA
Recording Date	Jan 7, 2021
Property Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Document Number	0000001232
Instrument Date	Dec 19, 2020
Instrument	1232
Transaction Type	Transfer
Record Updated	Jan 20, 2021
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	53 CASTLE ROCK DR MILL VALLEY CA 949412607, MILL VALLEY, CA 94941-2607

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Dec 31, 2020
Property Address	53 CASTLE ROCK DR, MILL VALLEY, CA 94941-2607
Document Number	0000068097
Instrument Date	Dec 19, 2020
Instrument	68097
Transaction Type	Transfer
Record Updated	Jan 13, 2021
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$825.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	53 CASTLE ROCK DR MILL VALLEY CA 949412607, MILL VALLEY, CA 94941-2607

Mortgage

Document Number	68098
Date	Dec 31, 2020
Instrument	68098

Lender

Name	NFL DEBT FUND I LP
Type	Bank
Address	NEWPORT BEACH, CA 92660

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 53 Castle Rock Dr was $21,743.

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
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		$1,581,000 (+2%) Land $816,000 Building $765,000
2025	$21,743.00	$1,550,000 Land $800,000 Building $750,000
2023	$12,627.00 (+3.59%)	$775,000 Land $620,000 Building $155,000
2022	$12,189.00

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

Flood

FEMA maps place 53 Castle Rock Dr in Zone X, an area of minimal flood risk, though there have been 9 flood claims nearby since 1982.

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 File median of 17 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	17 in force
Nearby Flood Claims	9 (1982–2017)
Claims Outside the SFHA	7 of 9
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Winter Storms And Flooding, Feb 1998 · 2 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

Wildfire risk around 53 Castle Rock Dr is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.

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

Wildfire Risk	Moderate above 46% of the US · lower than 72% of California
Wildfire Likelihood	0.09% annual chance
Exposure	Direct burnable vegetation

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 351 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: T-Mobile, Unwired, Verizon.

Cell Coverage

4G LTE only, no 5G reported

Nearby Properties on Castle Rock Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures