166 Castle Crest Rd, Alamo, CA 94507 Property Records

Contra Costa County property record for 166 Castle Crest Rd, Alamo, CA 94507 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,623 sqft · built 1961
Lot Size	1.14 acres (50,048 sqft)
Owner	2 Company Names on File
Last Sale	$1,680,000 (Nov 2020)
Tax Bill	$21,041 (2025)
Deeds & Mortgages	Dec 2025 Transfer Dec 2022 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`188-420-013-8`

Property Details

APN / Parcel Number

Primary APN	`188-420-013-8`
Alternative APN	`188-420-013`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,623 sqft Living Area
1st Floor Area	2,531 sqft
2nd Floor Area	1,092 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1995
Architectural Style	Contemporary
Lot Area	50,048 sqft
Garage Type	Attached
Garage Area	649 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Street Address	166 CASTLE CREST RD
City	ALAMO
State	CA
Zip	94507-2671
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TR 2838 POR LOTS 60,61 & 62 EX POR MR
Legal Subdivision	2838 CREST VIEW
Legal Tract	2838
Legal Lot Number	60
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1013
Census Tract	334200

Owner

Source: Contra Costa County records · APN 188-420-013-8

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Dec 31, 2025	Intrafamily Transfer, Transfer
Dec 28, 2022	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Mar 30, 2022	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Nov 19, 2020	Deed of Trust, Mortgage · Line of Credit ALLIANT CU
Nov 20, 2020	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 20, 2020 · Amount on Record
Deed Sale	Nov 20, 2020 · Amount on Record
Deed Document Number	2020282711
Last Transfer Date	Sep 24, 2025
Transfer Doc	0000145459
Record Updated	Sep 20, 2026

December 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 31, 2025
Property Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671
Document Number	0000145459
Map Reference	MB 78 PG 25
Instrument Date	Sep 24, 2025
Instrument	2025- 145459
Transaction Type	Transfer
Record Updated	Jan 12, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671

December 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671
Transaction Type	Mortgage
Record Updated	Jan 05, 2023
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671

Mortgage

Document Number	0000188734
Date	Dec 28, 2022
Instrument	2022-188734

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 20, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671

Mortgage

Document Number	0000055352
Date	Mar 30, 2022
Instrument	2022-055352

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Mar 20, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671
Document Number	0000282713
Instrument Date	Nov 19, 2020
Transaction Type	Mortgage
Record Updated	Dec 02, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	2 JULIANNA CT MORAGA CA 945562832, MORAGA, CA 94556-2832

Mortgage

Document Number	0000282713
Date	Nov 20, 2020
Instrument	282713

Lender

Name	ALLIANT CU
Type	Credit Union
Address	CHICAGO, IL 60666

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Nov 19, 2050

Interest

Rate Type	Adjustable Rate

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 20, 2020
Property Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671
Document Number	0000282711
Map Reference	MB 78 PG 25
Instrument Date	Nov 18, 2020
Instrument	2020-282711
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	166 CASTLE CREST RD, ALAMO, CA 94507-2671

Mortgage

Document Number	0000282712
Date	Nov 20, 2020
Instrument	2020-282712

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 01, 2050

Mortgage

Document Number	0000282713
Date	Nov 20, 2020
Instrument	2020-282713

Lender

Name	ALLIANT CU
Type	Credit Union
Address	CHICAGO, IL 60666

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$1,854,852 (+2%) Land $1,048,875 Building $805,977
2025	$21,041.00 (+3.81%) Homeowner's exemption	$1,818,483 (+4.04%) Land $1,028,309 Building $790,174
2023	$20,268.00 (+2.31%) Homeowner's exemption	$1,747,872 Land $988,380 Building $759,492
2022	$19,811.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133342001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	6 (1982–2000)
Claims Outside the SFHA	3 of 6
Most Recent Claim	Feb 2000, tidal / storm surge

Wildfire

Wildfire Risk	Moderate above 58% of the US · above 35% of California
Wildfire Likelihood	About 1 in 730 per year
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 143 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Radiate Holdings	Cable	1,500 / 50
Unwired	Fixed Wireless	300 / 25
T-Mobile USA	Fixed Wireless	100 / 20

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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