1546 Sunnyvale Ave, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 1546 Sunnyvale Ave, Walnut Creek, CA 94597

Property Summary

Property Type	Townhouse
Details	3 bd · 2.5 ba · 1,489 sqft · built 2006
Lot Size	0.04 acres (1,732 sqft)
Owner	Individual Name on File
Last Sale	$790,000 (Dec 2025)
Tax Bill	$9,839 (2025)
Deeds & Mortgages	Dec 2025 Sale & Mortgage Nov 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`170-100-052-1`

Property Details

APN / Parcel Number

Primary APN	`170-100-052-1`
Alternative APN	`170-100-052`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,489 sqft Living Area
1st Floor Area	776 sqft
2nd Floor Area	713 sqft

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2007
Architectural Style	Townhouse
Lot Area	1,732 sqft (0.04 acres)
Garage Type	Attached
Garage Area	701 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1546 SUNNYVALE AVE
City	WALNUT CREEK
State	CA
Zip	94597-1904
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	T8802 L13
Legal Subdivision	SUBDIVISION 8802
Legal Tract	8802
Legal Lot Number	13
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2003
Census Tract	340001

Owner

1546 Sunnyvale Ave, a townhouse, is owned and occupied by an individual who bought it in December 2025.

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

Owner of Record	Individual Name on File
Mailing Address	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Woman

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
Dec 16, 2025	Grant Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO
Nov 13, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP
May 23, 2019	Deed of Trust, Mortgage BANK OF AMERICA
Jun 20, 2018	Grant Deed, Transfer · Conventional Mortgage US BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 16, 2025 · Amount on File
Deed Sale	Dec 16, 2025 · Amount on File
Prior Sale	Jun 20, 2018 · Amount on File
Deed Document Number	2025139824
Prior Transfer Date	Oct 29, 2020
Prior Transfer Doc	0000272974
Record Updated	Oct 29, 2026

December 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 16, 2025
Property Address	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904
Document Number	0000139824
Map Reference	MB 484 PG 23
Instrument Date	Dec 9, 2025
Instrument	2025- 139824
Transaction Type	Transfer
Record Updated	Dec 25, 2025
Title Company	CHICAGO TITLE COMPANY

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	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904

Mortgage

Document Number	0000139825
Date	Dec 16, 2025
Instrument	2025- 139825

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2056

November 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 13, 2020
Property Address	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904
Document Number	0000272974
Map Reference	MB 484 PG 23
Instrument Date	Oct 29, 2020
Instrument	2020-272974
Transaction Type	Transfer
Record Updated	Nov 3, 2022
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	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904

Mortgage

Document Number	0000272975
Date	Nov 13, 2020
Instrument	2020-272975

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2050

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904
Document Number	0000082137
Instrument Date	May 23, 2019
Transaction Type	Mortgage
Record Updated	Jun 13, 2019
Title Company	TITLE SERVICE AND LIAISON COMPANIES, SIMPLIFILE LC E-RECORDING

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1546 SUNNYVALE AVE WALNUT CREEK CA 945971904, WALNUT CREEK, CA 94597-1904

Mortgage

Document Number	0000082137
Date	Jun 4, 2019
Instrument	82137

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jun 3, 2049

June 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 20, 2018
Property Address	1546 SUNNYVALE AVE, WALNUT CREEK, CA 94597-1904
Document Number	0000098382
Map Reference	MB 484 PG 23
Instrument Date	Jun 15, 2018
Instrument	2018-098382
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE COMPANY

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
Relationship	Joint Tenants
Address	23468 MONA MARLE CT, HAYWARD, CA 94541-3572

Mortgage

Document Number	0000098383
Date	Jun 20, 2018
Instrument	2018-098383

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 1546 Sunnyvale Ave was $9,839.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Walnut Creek City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$790,000 (-3.57%) Land $400,000 Building $390,000
2025	$9,839.00 Homeowner's exemption	$819,232 Land $523,399 Building $295,833
2023	$9,451.00 (+0.9%) Homeowner's exemption	$787,423 Land $503,076 Building $284,347
2022	$9,367.00

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

Flood

FEMA maps place 1546 Sunnyvale Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1998.

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 Claims	2 (1998–2012)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Nov 2012 · rainfall accumulation

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 1546 Sunnyvale Ave 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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
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, 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 486 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Sonic Telecom.

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