516 Gemstone Way, Oakley, CA 94561 Property Records

Contra Costa County property record for 516 Gemstone Way, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,947 sqft · built 2021
Lot Size	0.09 acres (3,934 sqft)
Owner	Individual Name on File
Last Sale	$695,000 (Apr 2022)
Tax Bill	$12,263 (2025)
Deeds & Mortgages	Apr 2022 Transfer Apr 2022 Sale & Mortgage
Flood Zone	Zone X (reduced by levee)
APN	`037-620-005-1`

Property Details

APN / Parcel Number

Primary APN	`037-620-005-1`
Alternative APN	`037-620-005`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	1,947 sqft Living Area
1st Floor Area	854 sqft
2nd Floor Area	1,093 sqft

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2022
Lot Area	3,934 sqft (0.09 acres)
Garage Type	Attached
Garage Area	427 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	516 GEMSTONE WAY
City	OAKLEY
State	CA
Zip	94561-6046
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9516 L5
Legal Subdivision	WOODBURY SUB #9516
Legal Tract	9516
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1009
Census Tract	302011

Owner

516 Gemstone Way is owned and occupied by an individual who bought it in April 2022.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	516 GEMSTONE WAY, OAKLEY, CA 94561-6046
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 15, 2022	Intrafamily Transfer, Transfer LENNAR TITLE INC
Apr 15, 2022	Grant Deed, Subdivision Related Transfer · Conventional Mortgage ROCKET MORTGAGE LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 15, 2022 · Amount on File
Deed Sale	Apr 15, 2022 · Amount on File
Deed Document Number	202265735
Record Updated	Sep 20, 2026

April 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 15, 2022
Property Address	516 GEMSTONE WAY, OAKLEY, CA 94561-6046
Document Number	0000065736
Map Reference	MB 543 PG 36-43
Instrument Date	Mar 28, 2022
Instrument	2022-065736
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	LENNAR TITLE INC

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	516 GEMSTONE WAY, OAKLEY, CA 94561-6046

April 2022: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 15, 2022
Property Address	516 GEMSTONE WAY, OAKLEY, CA 94561-6046
Document Number	0000065735
Map Reference	MB 543 PG 36-43
Instrument Date	Mar 18, 2022
Instrument	2022-065735
Transaction Type	Subdivision Related Transfer
Record Updated	Nov 3, 2022
Title Company	LENNAR TITLE INC

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
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
Address	516 GEMSTONE WAY, OAKLEY, CA 94561-6046

Mortgage

Document Number	0000065737
Date	Apr 15, 2022
Instrument	2022-065737

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 516 Gemstone Way was $12,263 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Oakley City
Secondary School District	Liberty Union High School District (09 - 12)
Elementary School District	Oakley Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$635,000 (-4.08%) Land $292,459 Building $342,541
2025	$12,263.00 Homeowner's exemption	$662,000 Land $304,894 Building $357,106
2023	$11,604.00 (+41.56%) Homeowner's exemption	$614,000 Land $283,000 Building $331,000
2022	$8,197.00

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

Flood

FEMA maps place 516 Gemstone Way in Zone X, where a levee reduces 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 reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	7 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 516 Gemstone Way is moderate, ranking above 56% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire Risk	Moderate above 56% of the US · lower than 67% of California
Wildfire Likelihood	0.2% 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	DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007
Water Source	Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State Inspection	Jan 2024
Also Mapped Here	CONTRA COSTA WATER DISTRICT
Lead	2 ppb (2020–2022) 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 762 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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