166 Crest Ave, Alamo, CA 94507 Property Records

Contra Costa County property record for 166 Crest Ave, Alamo, CA 94507

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,055 sqft · built 1971
Lot Size	0.481 acres (20,952 sqft)
Owner	Trust Name on File
Last Sale	$500,000 (Jan 2022)
Tax Bill	$3,976 (2025)
Deeds & Mortgages	Mar 2022 Construction Loan Mar 2017 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`188-241-036-6`

Property Details

APN / Parcel Number

Primary APN	`188-241-036-6`
Alternative APN	`188-241-036`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,055 sqft Living Area
Gross Area	2,640 sqft
1st Floor Area	2,055 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1982
Lot Area	20,952 sqft (0.481 acres)
Garage Type	Attached
Garage Area	585 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	166 CREST AVE
City	ALAMO
State	CA
Zip	94507-2645
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	T218PM45 PCL A
Legal Subdivision	WALNUT CREEK
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1003
Census Tract	334200

Owner

166 Crest Ave is owner-occupied and held in a trust since January 2022.

Source: Contra Costa County records, as of October 12, 2026

Owner of Record	Trust Name on File
Mailing Address	166 CREST AVE, ALAMO, CA 94507-2645
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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
Mar 22, 2022	Deed of Trust, Mortgage · Construction Mortgage HERITAGE BANK OF COMMERCE
Mar 17, 2017	Deed of Trust, Mortgage · Conventional Mortgage MUFG UNION BANK NA
Dec 10, 2018	Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA
Feb 8, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 31, 2022 · Amount on File
Deed Sale	Jan 31, 2022 · Amount on File
Deed Document Number	202218008
Prior Transfer Date	Oct 27, 2014
Prior Transfer Doc	0000243657
Record Updated	Oct 29, 2026

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	166 CREST AVE, ALAMO, CA 94507-2645
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	158 ANDREA DRIVE, ALAMO, CA 94507

Mortgage

Document Number	0000050571
Date	Mar 22, 2022
Instrument	2022-050571

Lender

Name	HERITAGE BANK OF COMMERCE
Type	Bank
Address	SAN JOSE, CA 95110

Agreement

Type	Construction Mortgage
Amount	Amount on Record

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	166 CREST AVE, ALAMO, CA 94507-2645
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORTC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000046985
Date	Mar 17, 2017
Instrument	2017-046985

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2047

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	166 CREST AVE, ALAMO, CA 94507-2645
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000197188
Date	Dec 10, 2018
Instrument	2018-197188

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Jan 18, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 8, 2022
Property Address	166 CREST AVE, ALAMO, CA 94507-2645
Document Number	0000024308
Map Reference	MB 218 PG 45
Instrument Date	Feb 2, 2022
Instrument	2022-024308
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	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
Relationship	Revocable Trust
Address	166 CREST AVE, ALAMO, CA 94507-2645

Mortgage

Document Number	0000024309
Date	Feb 8, 2022
Instrument	2022-024309

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 166 Crest Ave was $3,976.

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		$253,915 (+2%) Land $53,054 Building $200,861
2025	$3,976.00	$248,937 Land $52,014 Building $196,923
2023	$3,820.00 (+1.87%)	$239,273 Land $49,996 Building $189,277
2022	$3,750.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 166 Crest Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1982.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · 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
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

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 166 Crest Ave is low, with a 0.04% annual chance of wildfire.

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

Wildfire Risk	Low lower than 64% of the US · lower than 78% of California
Wildfire Likelihood	0.04% 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.

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