9537 Thunderbird Dr, San Ramon, CA 94583 Property Records

Contra Costa County property record for 9537 Thunderbird Dr, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,906 sqft · built 1978
Lot Size	0.242 acres (10,560 sqft)
Owner	2 Company Names on Record
Last Sale	$1,955,000 (Oct 2021)
Tax Bill	$23,233 (2025)
Deeds & Mortgages	Jul 2026 Sale Oct 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`210-673-005`

Property Details

APN / Parcel Number

Primary APN	`210-673-005`
Alternative APN	`210-673-005-0`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,906 sqft Living Area
1st Floor Area	1,416 sqft
2nd Floor Area	1,490 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 2005
Lot Area	10,560 sqft (0.242 acres)
Garage Type	Attached
Garage Area	639 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	9537 THUNDERBIRD DR
City	SAN RAMON
State	CA
Zip	94583-3617
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T04440 L0035 B EX MR
Legal Subdivision	SUBDIVISION 4440
Legal Tract	04440
Legal Lot Number	35
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2005
Census Tract	345103

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 6, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Oct 7, 2021	Grant Deed, Transfer · Conventional Mortgage BANK OF AMERICA NA
Aug 12, 2021	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 7, 2021 · Amount on Record
Deed Sale	Oct 7, 2021 · Amount on Record
Deed Document Number	2021276931
Prior Transfer Date	Aug 9, 2021
Prior Transfer Doc	0000275040
Record Updated	Sep 20, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 6, 2026
Property Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617
Document Number	0000070744
Instrument Date	Jun 25, 2026
Instrument	202670744
Transaction Type	Transfer
Record Updated	Jul 13, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617

October 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 7, 2021
Property Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617
Document Number	0000276931
Map Reference	MB 176 PG 37-43
Instrument Date	Sep 29, 2021
Instrument	2021-276931
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
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
Relationship	Community Property with Right of Survivorship
Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617

Mortgage

Document Number	0000276932
Date	Oct 7, 2021
Instrument	2021-276932

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Aug 12, 2021
Property Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617
Document Number	0000275040
Map Reference	MB 176 PG 37-43
Instrument Date	Aug 9, 2021
Instrument	2021275040
Transaction Type	Transfer
Record Updated	Sep 8, 2021
Title Company	CHICAGO TITLE COMPANY

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
Relationship	Community Property with Right of Survivorship
Address	9537 THUNDERBIRD DR, SAN RAMON, CA 94583-3617

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	San Ramon City
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,116,153 (+2%) Land $1,028,309 Building $1,087,844
2025	$23,233.00 (+10.69%) Homeowner's exemption	$2,074,661 (+11.42%) Land $1,008,147 Building $1,066,514
2023	$20,989.00 (-5.72%) Homeowner's exemption	$1,862,000 Land $905,000 Building $957,000
2022	$22,262.00

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

Flood

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
Flood Insurance Cost	Premium on Record median of 10 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	10 in force
Nearby Flood Claims	1 (2022)
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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

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

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.04% 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 292 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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