4639 Alder Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 4639 Alder Dr, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,430 sqft · built 1985
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Individual Names on File
Last Sale	$425,000 (Sep 2025)
Tax Bill	$4,349 (2025)
Deeds & Mortgages	Sep 2025 Transfer Sep 2025 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`035-563-004-7`

Property Details

APN / Parcel Number

Primary APN	`035-563-004-7`
Alternative APN	`035-563-004`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,430 sqft Living Area
1st Floor Area	1,430 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1986
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	456 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Street Address	4639 ALDER DR
City	OAKLEY
State	CA
Zip	94561-1903
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	T06473 L0004 B
Legal Subdivision	SUBDIVISION 6473
Legal Tract	06473
Legal Lot Number	4
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	302005

Owner

4639 Alder Dr is owned and occupied by two individuals who bought it in September 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	4639 ALDER DR, OAKLEY, CA 94561-1903
Occupancy	Owner Occupied
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
Sep 18, 2025	Affidavit of Death of Joint Tenant, Transfer UNKNOWN, MULTIPLE
Sep 18, 2025	Grant Deed, Transfer UNKNOWN, MULTIPLE
Mar 21, 2018	Loan Modification, Mortgage · Conventional with PMI BANK OF AMERICA CALIFORNIA NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 18, 2025 · Amount on File
Deed Sale	Sep 18, 2025 · Amount on File
Prior Sale	Jul 21, 2000 · Amount on File
Deed Document Number	202597414
Prior Transfer Date	May 31, 2001
Prior Transfer Doc	0000168281
Record Updated	Oct 29, 2026

September 2025: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 18, 2025
Property Address	4639 ALDER DR, OAKLEY, CA 94561-1903
Document Number	0000097411
Map Reference	MB 286 PG 21
Instrument Date	Sep 15, 2025
Instrument	2025- 097411
Transaction Type	Transfer
Record Updated	Sep 30, 2025
Title Company	UNKNOWN, MULTIPLE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	22306 CITY CENTER DR APT 3201, 3201, HAYWARD, CA 94541-2854

September 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 18, 2025
Property Address	4639 ALDER DR, OAKLEY, CA 94561-1903
Document Number	0000097414
Map Reference	MB 286 PG 21
Instrument Date	Sep 15, 2025
Instrument	2025- 097414
Transaction Type	Transfer
Record Updated	Sep 30, 2025
Title Company	UNKNOWN, MULTIPLE

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Notice of Default Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Right of Survivorship
Address	4639 ALDER DR, OAKLEY, CA 94561-1903

March 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	CONTRA COSTA CA
Property Address	4639 ALDER DR, OAKLEY, CA 94561-1903
Document Number	0000050489
Instrument Date	Mar 21, 2018
Transaction Type	Mortgage
Record Updated	Apr 9, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4639 ALDER DR OAKLEY CA 945611903, OAKLEY, CA 94561-1903

Mortgage

Document Number	0000050489
Date	Apr 2, 2018
Instrument	50489

Lender

Name	BANK OF AMERICA CALIFORNIA NA
Type	Bank
Address	BROOMFIELD, CO 80021

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	468 Months
Due	Apr 1, 2057

Interest

Rate Type	Fixed Rate
Rate	4%

Tax Assessment & Valuation

The 2025 property tax bill for 4639 Alder Dr was $4,349.

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		$425,000 (+37.59%) Land $210,000 Building $215,000
2025	$4,349.00 Homeowner's exemption	$308,878 Land $82,863 Building $226,015
2023	$4,225.00 (+0.76%) Homeowner's exemption	$296,887 Land $79,647 Building $217,240
2022	$4,193.00

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

Flood

FEMA maps place 4639 Alder Dr 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	6 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

The area around 4639 Alder Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land 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	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 850 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
AT&T DSL	100 / 20

May also be available: Verizon.

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