3507 Thunderbird Dr, Concord, CA 94520 Property Records

Contra Costa County property record for 3507 Thunderbird Dr, Concord, CA 94520

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,937 sqft · built 1961
Lot Size	0.164 acres (7,125 sqft)
Owner	Individual Name on File
Last Sale	$800,000 (Sep 2021)
Tax Bill	$9,232 (2025)
Deeds & Mortgages	Sep 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`110-315-006-4`

Property Details

APN / Parcel Number

Primary APN	`110-315-006-4`
Alternative APN	`110-315-006`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	1,937 sqft Living Area
Gross Area	2,472 sqft
1st Floor Area	1,265 sqft
2nd Floor Area	672 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1971
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Tar & Gravel
Lot Area	7,125 sqft (0.164 acres)
Garage Type	Attached
Garage Area	535 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3507 THUNDERBIRD DR
City	CONCORD
State	CA
Zip	94520-1528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	TRACT 2863 LOT 61
Legal Subdivision	2863 GOLDEN OAKS
Legal Tract	2863
Legal Lot Number	61
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1012
Census Tract	329000

Owner

Source: Contra Costa County records · APN 110-315-006-4

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	Individual Name on File
Mailing Address	3507 THUNDERBIRD DR, CONCORD, CA 94520-1528
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 22, 2021 · Amount on Record
Deed Sale	Sep 22, 2021 · Amount on Record
Deed Document Number	2021263919
Prior Transfer Date	Nov 21, 2011
Prior Transfer Doc	0000264272
Record Updated	Sep 20, 2026

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2021
Property Address	3507 THUNDERBIRD DR, CONCORD, CA 94520-1528
Document Number	0000263919
Map Reference	MB 79 PG 43
Instrument Date	Sep 20, 2021
Instrument	2021-263919
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	CHICAGO TITLE COMPANY

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
Address	3507 THUNDERBIRD DR, CONCORD, CA 94520-1528

Mortgage

Document Number	0000263920
Date	Sep 22, 2021
Instrument	2021-263920

Lender

Name	COASTAL FUNDING SLC INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 01, 2051

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	Concord 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		$735,000 (-1.34%) Land $413,438 Building $321,562
2025	$9,232.00 (+7.44%)	$745,000 (+7.35%) Land $419,063 Building $325,937
2023	$8,593.00 (-12.5%)	$694,000 Land $390,000 Building $304,000
2022	$9,821.00

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 Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jun 1998 · rainfall accumulation

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 762 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.