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11 Knoll Ct, Hercules, CA 94547 Property Records

Contra Costa County property record for 11 Knoll Ct, Hercules, CA 94547

Property Summary

Property TypeTownhouse
Details3 bd · 2.5 ba · 1,434 sqft · built 1980
Lot Size0.053 acres (2,300 sqft)
Owner2 Trust Names on File
Last Sale$174,500 (Feb 2012)
Tax Bill$4,472 (2025)
Deeds & MortgagesJul 2023 Transfer
Jan 2023 Transfer
Flood ZoneZone X (minimal risk)
APN406-472-017-2

Property Details

APN / Parcel Number

Primary APN406-472-017-2
Alternative APN
  • 406-472-017

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,434 sqft Living Area
Gross Area1,833 sqft
1st Floor Area759 sqft
2nd Floor Area675 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialWood
Roof MaterialTile
Lot Area2,300 sqft (0.053 acres)
Garage TypeAttached
Garage Area399 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address11 KNOLL CT
CityHERCULES
StateCA
Zip94547-1430
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Local Zoning CodePUD
Legal DescriptionT05100 L0063 B
Legal SubdivisionSUBDIVISION 5100
Legal Tract05100
Legal Lot Number63
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group3
Census Block3004
Census Tract359203

Owner

11 Knoll Ct, a townhouse, is held in a trust since July 2023.

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

Owner of Record2 Trust Names on File
Mailing Address424 VERMONT AVE, BERKELEY, CA 94707-1742
Owner TypeCompany
VestingTrust

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

DateDocument
Jul 12, 2023Correction Deed
Jan 25, 2023Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 7, 2012 · Amount on File
Deed SaleFeb 7, 2012 · Amount on File
Prior SaleNov 23, 2011 · Amount on File
Deed Document Number201228250
Last Transfer DateJul 5, 2023
Transfer Doc0000066353
Record UpdatedSep 20, 2026

July 2023: Correction Deed

Document TypeCorrection Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 12, 2023
Property Address11 KNOLL CT, HERCULES, CA 94547-1430
Document Number0000066353
Map ReferenceMB 208 PG 22
Instrument DateJul 5, 2023
Instrument2023-066353
Record UpdatedJul 21, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Living Trust
Address424 VERMONT AVE, BERKELEY, CA 94707-1742

January 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJan 25, 2023
Property Address11 KNOLL CT, HERCULES, CA 94547-1430
Document Number0000006507
Map ReferenceMB 208 PG 22
Instrument DateJan 25, 2023
Instrument2023-006507
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Living Trust
Address424 VERMONT AVE, BERKELEY, CA 94707-1742

Tax Assessment & Valuation

The 2025 property tax bill for 11 Knoll Ct was $4,472.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityHercules City
Unified School DistrictWest Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$223,552 (+2%) Land $40,349 Building $183,203
2025$4,472.00$219,169 Land $39,558 Building $179,611
2023$4,155.00 (+1.17%)$210,661 (+2%) Land $38,023 Building $172,638
2022$4,107.00$206,531 Land $37,278 Building $169,253

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

Flood

FEMA maps place 11 Knoll Ct in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AO, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 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 11 Knoll Ct is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 693 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
AT&T
DSL		100 / 20

May also be available: T-Mobile, Unwired.

Cell Coverage

5G (outdoors only) and 4G LTE

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