505 Mount Davidson Ct, Clayton, CA 94517 Property Records

Contra Costa County property record for 505 Mount Davidson Ct, Clayton, CA 94517

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,183 sqft · built 1977
Lot Size	0.264 acres (11,500 sqft)
Owner	2 Individual Names on File
Last Sale	$1,350,000 (Jan 2023)
Tax Bill	$16,850 (2025)
Deeds & Mortgages	Jan 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`119-490-011-2`

Property Details

APN / Parcel Number

Primary APN	`119-490-011-2`
Alternative APN	`119-490-011`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,183 sqft Living Area
1st Floor Area	1,991 sqft
2nd Floor Area	1,192 sqft

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1980
Architectural Style	Cluster
Lot Area	11,500 sqft (0.264 acres)
Garage Type	Attached
Garage Area	637 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	505 MT DAVIDSON CT
City	CLAYTON
State	CA
Zip	94517-1601
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 4019 LOT 11
Legal Subdivision	SUBDIVISION 4019
Legal Tract	4019
Legal Lot Number	11
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3011
Census Tract	355306

Owner

Source: Contra Costa County records · APN 119-490-011-2

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 Individual Names on File
Mailing Address	505 MT DAVIDSON CT, CLAYTON, CA 94517-1601
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 11, 2023 · Amount on Record
Deed Sale	Jan 11, 2023 · Amount on Record
Prior Sale	Nov 27, 2012 · Amount on Record
Deed Document Number	20232726
Prior Transfer Date	Oct 14, 2010
Prior Transfer Doc	0000240063
Record Updated	Sep 20, 2026

January 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2023
Property Address	505 MT DAVIDSON CT, CLAYTON, CA 94517-1601
Document Number	0000002726
Map Reference	MB 194 PG 50
Instrument Date	Jan 10, 2023
Instrument	2023-002726
Transaction Type	Transfer
Record Updated	Jan 24, 2023
Title Company	TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS 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	505 MT DAVIDSON CT, CLAYTON, CA 94517-1601

Mortgage

Document Number	0000002727
Date	Jan 11, 2023
Instrument	2023-002727

Lender

Name	CITIBANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2053

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	Clayton 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		$1,432,630 (+2%) Land $742,845 Building $689,785
2025	$16,850.00 (+68.48%)	$1,404,540 (+74.51%) Land $728,280 Building $676,260
2023	$10,001.00 (+1.32%) Homeowner's exemption	$804,845 Land $378,749 Building $426,096
2022	$9,871.00

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
Nearby Flood Policies	4 in force

Wildfire

Wildfire Risk	High above 86% of the US · above 66% of California
Wildfire Likelihood	0.8% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 86 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.