1781 Castle Hill Rd, Walnut Creek, CA 94595 Property Records

Contra Costa County property record for 1781 Castle Hill Rd, Walnut Creek, CA 94595

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,853 sqft · built 1950
Lot Size	0.621 acres (27,050 sqft)
Owner	2 Individual Names on File
Last Sale	$690,000 (Jun 2011)
Tax Bill	$12,562 (2025)
Deeds & Mortgages	Sep 2021 Mortgage Mar 2021 Mortgage
Flood Zone	Zone AE (high risk)
APN	`188-090-006-1`

Property Details

APN / Parcel Number

Primary APN	`188-090-006-1`
Alternative APN	`188-090-006`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,853 sqft Living Area
1st Floor Area	2,853 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1990
Lot Area	27,050 sqft (0.621 acres)
Garage Type	Attached
Garage Area	576 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1781 CASTLE HILL RD
City	WALNUT CREEK
State	CA
Zip	94595-2312
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	WALNUT CREEK PARK POR LOT 1
Legal Subdivision	WALNUT CRK
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	6
Census Block	6010
Census Tract	334200

Owner

1781 Castle Hill Rd is owned and occupied by two individuals who acquired it in March 2021.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	1781 CASTLE HILL RD, WALNUT CREEK, CA 94595-2312
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Date	Document
Sep 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION
Mar 23, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 29, 2011 · Amount on File
Deed Sale	Jun 29, 2011 · Amount on File
Prior Sale	May 27, 2011 · Amount on File
Deed Document Number	2011128150
Last Transfer Date	Mar 16, 2021
Transfer Doc	0000087977
Record Updated	Oct 29, 2026

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1781 CASTLE HILL RD, WALNUT CREEK, CA 94595-2312
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1781 CASTLE HILL RD, WALNUT CREEK, CA 94595-2312

Mortgage

Document Number	0000253855
Date	Sep 13, 2021
Instrument	2021-253855

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Mortgage Company
Address	NEW YORK, NY 10007

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	240 Months
Due	Sep 1, 2041

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 23, 2021
Property Address	1781 CASTLE HILL RD, WALNUT CREEK, CA 94595-2312
Document Number	0000087977
Map Reference	MB 4 PG 84
Instrument Date	Mar 16, 2021
Instrument	2021-087977
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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	1781 CASTLE HILL RD, WALNUT CREEK, CA 94595-2312

Mortgage

Document Number	0000087978
Date	Mar 23, 2021
Instrument	2021-087978

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	241 Months
Due	Apr 1, 2041

Tax Assessment & Valuation

The 2025 property tax bill for 1781 Castle Hill Rd was $12,562 with a homeowner's exemption.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Walnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,064,967 (+2%) Land $548,849 Building $516,118
2025	$12,562.00 Homeowner's exemption	$1,044,087 Land $538,088 Building $505,999
2023	$12,094.00 (+2.24%) Homeowner's exemption	$1,003,546 Land $517,195 Building $486,351
2022	$11,829.00

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

Flood

FEMA maps place 1781 Castle Hill Rd in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 62 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	62 in force
Nearby Flood Claims	8 (1997–2022)
Claims Outside the SFHA	1 of 8
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Dec 2022 · 5 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 1781 Castle Hill Rd is low, with a 0.02% annual chance of 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	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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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 316 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Sonic Telecom, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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