121 Topaz Ct, Hercules, CA 94547 Property Records

Contra Costa County property record for 121 Topaz Ct, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,344 sqft · built 1988
Lot Size	0.273 acres (11,900 sqft)
Owner	2 Individual Names on File
Last Sale	$750,000 (Nov 2017)
Tax Bill	$12,818 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Oct 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`407-093-026`

Property Details

APN / Parcel Number

Primary APN	`407-093-026`
Alternative APN	`407-093-026-0`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	2,344 sqft Living Area
1st Floor Area	1,332 sqft
2nd Floor Area	1,012 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Lot Area	11,900 sqft (0.273 acres)
Garage Type	Attached
Garage Area	739 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	121 TOPAZ CT
City	HERCULES
State	CA
Zip	94547-1751
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T06157 L0048 B
Legal Subdivision	SUBDIVISION 6157
Legal Tract	06157
Legal Lot Number	48
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3007
Census Tract	359204

Owner

121 Topaz Ct is owned and occupied by two individuals who bought it in November 2017.

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	2 Individual Names on File
Mailing Address	121 TOPAZ CT, HERCULES, CA 94547-1751
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Dec 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Oct 16, 2019	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Nov 1, 2017	Grant Deed, Transfer · Conventional Mortgage RPM MORTGAGE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 1, 2017 · Amount on File
Deed Sale	Nov 1, 2017 · Amount on File
Deed Document Number	2017206244
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	121 TOPAZ CT, HERCULES, CA 94547-1751
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	121 TOPAZ CT, HERCULES, CA 94547-1751

Mortgage

Document Number	0000303476
Date	Dec 4, 2020
Instrument	2020-303476

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Dec 1, 2035

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	121 TOPAZ CT, HERCULES, CA 94547-1751
Document Number	0000181589
Instrument Date	Oct 16, 2019
Transaction Type	Mortgage
Record Updated	Nov 5, 2019
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	121 TOPAZ CT HERCULES CA 945471751, HERCULES, CA 94547-1751

Mortgage

Document Number	0000181589
Date	Oct 23, 2019
Instrument	181589

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 22, 2049

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 1, 2017
Property Address	121 TOPAZ CT, HERCULES, CA 94547-1751
Document Number	0000206244
Map Reference	MAP278 PG30-42
Instrument Date	Oct 25, 2017
Instrument	2017-206244
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC 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	Community Property with Right of Survivorship
Address	121 TOPAZ CT, HERCULES, CA 94547-1751

Mortgage

Document Number	0000206245
Date	Nov 1, 2017
Instrument	2017-206245

Lender

Name	RPM MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 121 Topaz Ct was $12,818 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	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$879,913 (+2%) Land $386,471 Building $493,442
2025	$12,818.00 Homeowner's exemption	$862,661 Land $378,894 Building $483,767
2023	$12,242.00 (+1.09%)	$829,165 Land $364,182 Building $464,983
2022	$12,110.00

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

Flood

FEMA maps place 121 Topaz Ct 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	1 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 121 Topaz Ct is low, with a 0.03% annual chance of 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	0.03% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 403 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile, Unwired.

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