550 Ellesmere Dr, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 550 Ellesmere Dr, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,727 sqft · built 1973
Lot Size	0.262 acres (11,400 sqft)
Owner	2 Individual Names on File
Last Sale	$1,500,000 (Aug 2024)
Tax Bill	$17,440 (2025)
Deeds & Mortgages	Feb 2024 Transfer Apr 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`135-183-011`

Property Details

APN / Parcel Number

Primary APN	`135-183-011`
Alternative APN	`135-183-011-0`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,727 sqft Living Area
1st Floor Area	1,727 sqft

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1980
Lot Area	11,400 sqft (0.262 acres)
Garage Type	Attached
Garage Area	544 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	550 ELLESMERE DR
City	WALNUT CREEK
State	CA
Zip	94598-3937
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	TRACT 4271 LOT 62
Legal Subdivision	CARRIAGE HILLS
Legal Tract	4271
Legal Lot Number	62
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2003
Census Tract	355302

Owner

550 Ellesmere Dr is owned by two individuals who bought it in August 2024.

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

Owner of Record	2 Individual Names on File
Mailing Address	844 MEANDER CT, WALNUT CREEK, CA 94598-4235
Owner Type	Individual
Vesting	Community Property

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
Feb 6, 2024	Intrafamily Transfer, Transfer
Apr 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage MUTUAL OF OMAHA MORTGAGE INC
Jan 15, 2021	Quit Claim Deed, Transfer TITLE SERVICE AND LIAISON COMPANIES, SYNRGO INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 30, 2024 · Amount on File
Deed Sale	Aug 30, 2024 · Amount on File
Prior Sale	Oct 19, 1994 · Amount on File
Deed Document Number	202485532
Prior Transfer Date	May 13, 1997
Prior Transfer Doc	0000098590
Record Updated	Oct 29, 2026

February 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 6, 2024
Property Address	550 ELLESMERE DR, WALNUT CREEK, CA 94598-3937
Document Number	0000011590
Map Reference	MB 150 PG 14
Instrument Date	Jan 5, 2024
Instrument	2024-011590
Transaction Type	Transfer
Record Updated	Feb 15, 2024

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	550 ELLESMERE DR, WALNUT CREEK, CA 94598-3937

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	550 ELLESMERE DR, WALNUT CREEK, CA 94598-3937
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATL TTL ORANGE CNT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	550 ELLESMERE DR, WALNUT CREEK, CA 94598-3937

Mortgage

Document Number	0000110325
Date	Apr 13, 2021
Instrument	2021-110325

Lender

Name	MUTUAL OF OMAHA MORTGAGE INC
Type	Mortgage Company
Address	SAN DIEGO, CA 92108

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2051

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 15, 2021
Property Address	550 ELLESMERE DR, WALNUT CREEK, CA 94598-3937
Document Number	0000014308
Instrument Date	Jan 11, 2021
Instrument	14308
Transaction Type	Transfer
Record Updated	Jan 27, 2021
Title Company	TITLE SERVICE AND LIAISON COMPANIES, SYNRGO INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	550 ELLESMERE DR WALNUT CREEK CA 945983937, WALNUT CREEK, CA 94598-3937

Tax Assessment & Valuation

The 2025 property tax bill for 550 Ellesmere Dr was $17,440.

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

Year	Tax Bill	Assessed Value
2026		$1,530,000 (+2%) Land $1,020,000 Building $510,000
2025	$17,440.00	$1,500,000 Land $1,000,000 Building $500,000
2023	$4,372.00 (+0.88%)	$320,229 Land $184,098 Building $136,131
2022	$4,334.00

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 550 Ellesmere Dr in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 550 Ellesmere Dr 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 79% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach

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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 441 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
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Sonic Telecom.

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