2550 Biscay Way, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 2550 Biscay Way, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,030 sqft · built 1969
Lot Size	0.253 acres (11,000 sqft)
Owner	2 Company Names on File
Last Sale	$640,000 (Apr 2011)
Tax Bill	$9,937 (2025)
Deeds & Mortgages	Apr 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`145-045-001-8`

Property Details

APN / Parcel Number

Primary APN	`145-045-001-8`
Alternative APN	`145-045-001`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,030 sqft Living Area
1st Floor Area	1,608 sqft
Basement Area	422 sqft

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1970
Lot Area	11,000 sqft (0.253 acres)
Garage Type	Attached
Garage Area	457 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	2550 BISCAY WAY
City	WALNUT CREEK
State	CA
Zip	94598-1215
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	TRACT 3740 LOT 47 EX MR
Legal Subdivision	WALNUT CRK
Legal Tract	3740
Legal Lot Number	47
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1014
Census Tract	338201

Owner

Source: Contra Costa County records · APN 145-045-001-8

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	2550 BISCAY WAY, WALNUT CREEK, CA 94598-1215
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 29, 2011 · Amount on Record
Deed Sale	Apr 29, 2011 · Amount on Record
Prior Sale	Apr 09, 1999 · Amount on Record
Deed Document Number	201186778
Last Transfer Date	Feb 27, 2025
Transfer Doc	0000019518
Record Updated	Sep 20, 2026

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2550 BISCAY WAY, WALNUT CREEK, CA 94598-1215
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000063132
Date	Apr 02, 2020
Instrument	2020-063132

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 01, 2050

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
Municipality	Walnut Creek City
Unified School District	Mount Diablo Unified School District (KG - 12)

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		$836,338 (+2%) Land $649,212 Building $187,126
2025	$9,937.00 (+4.06%)	$819,940 (+4.04%) Land $636,483 Building $183,457
2023	$9,549.00 (+0.87%)	$788,102 Land $611,768 Building $176,334
2022	$9,467.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	9 in force
Nearby Flood Claims	1 (1982)
Most Recent Claim	Jan 1982 · Severe Storms, Flood, Mudslides & High Tide

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL	100 / 20

Based on FCC filings for 406 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.