251 Roundhill Pl, Clayton, CA 94517 Property Records

Contra Costa County property record for 251 Roundhill Pl, Clayton, CA 94517

Property Summary

Property Type	Recreational Vacant Land
Details	4 bd · 3 ba · 3,070 sqft · built 1977
Lot Size	1.15 acres (50,432 sqft)
Owner	Individual Name on File
Last Sale	$800,000 (Oct 2014)
Tax Bill	$10,603 (2025)
Deeds & Mortgages	Apr 2026 Transfer May 2026 Re-recorded Document
Flood Zone	Zone X (minimal risk)
APN	`119-361-010`

Property Details

APN / Parcel Number

Primary APN	`119-361-010`
Alternative APN	`119-361-010-0`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Building Area	3,070 sqft Living Area
1st Floor Area	3,070 sqft

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Lot Area	50,432 sqft
Garage Area	963 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	251 ROUNDHILL PL
City	CLAYTON
State	CA
Zip	94517-1318
Property Category	Public Works
Property Type	Public Works > Recreational Vacant Land
Local Zoning Code	PUD
Legal Description	TRACT 4451 LOT 5 EX 1/2 MR
Legal Subdivision	4451 BRIARWOOD
Legal Tract	4451
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	355306

Owner

251 Roundhill Pl, recreational vacant land, is owned by an individual who bought it in October 2014.

Source: Contra Costa County records, as of August 6, 2026

Owner of Record	Individual Name on File
Mailing Address	5141 COMMERCIAL CIR, CONCORD, CA 94520-8523
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
Apr 30, 2026	Gift Deed, Transfer NONE LISTED ON DOCUMENT
May 14, 2026	Re-recorded Document NONE LISTED ON DOCUMENT

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 17, 2014 · Amount on File
Deed Sale	Oct 17, 2014 · Amount on File
Deed Document Number	2014179411
Prior Transfer Date	Apr 26, 1999
Prior Transfer Doc	0000119083
Record Updated	Sep 20, 2026

April 2026: Gift Deed, Transfer

Document Type	Gift Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 30, 2026
Property Address	251 ROUNDHILL PL, CLAYTON, CA 94517-1318
Document Number	0000044620
Instrument Date	Mar 27, 2026
Instrument	202644620
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	5141 COMMERCIAL CIR, CONCORD, CA 94520-8523

May 2026: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	CONTRA COSTA CA
Recording Date	May 14, 2026
Property Address	251 ROUNDHILL PL, CLAYTON, CA 94517-1318
Document Number	0000050742
Instrument Date	Mar 27, 2026
Instrument	202650742
Record Updated	Aug 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	5141 COMMERCIAL CIR, CONCORD, CA 94520-8523

Tax Assessment & Valuation

The 2025 property tax bill for 251 Roundhill Pl was $10,603.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Clayton City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$858,115 (+2%) Land $858,115
2025	$10,603.00	$841,290 Land $841,290
2023	$10,155.00 (+1.29%)	$808,623 Land $808,623
2022	$10,026.00

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

Flood

FEMA maps place 251 Roundhill Pl in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies	4 in force

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 251 Roundhill Pl is moderate, ranking above 52% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 52% of the US · lower than 69% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 351 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, AT&T.

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