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8 Mainsail Ct, Richmond, CA 94804 Property Records

Contra Costa County property record for 8 Mainsail Ct, Richmond, CA 94804

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,575 sqft · built 1996
Lot Size0.091 acres (3,975 sqft)
Owner2 Individual Names on File
Last Sale$950,000 (Mar 2024)
Tax Bill$15,608 (2025)
Deeds & MortgagesFeb 2026 Mortgage
Mar 2024 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN560-590-008-2

Property Details

APN / Parcel Number

Primary APN560-590-008-2
Alternative APN
  • 560-590-008

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,575 sqft Living Area
1st Floor Area794 sqft
2nd Floor Area781 sqft

Exterior

Year BuiltBuilt 1996
Effective Year BuiltEffective 1996
Architectural StyleCluster
Lot Area3,975 sqft (0.091 acres)
Garage TypeAttached
Garage Area449 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address8 MAINSAIL CT
CityRICHMOND
StateCA
Zip94804-7464
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodePA
Legal DescriptionT7664 L4
Legal SubdivisionSUBDIVISION 7664
Legal Tract7664
Legal Lot Number4
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group2
Census Block2008
Census Tract380001

Owner

8 Mainsail Ct is owned and occupied by two individuals who bought it in March 2024.

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

Owner of Record2 Individual Names on File
Mailing Address8 MAINSAIL CT, RICHMOND, CA 94804-7464
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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
Feb 2, 2026Deed of Trust, Mortgage · Conventional Mortgage
OPTIMUM FIRST INC
Mar 26, 2024Grant Deed, Transfer · Conventional Mortgage
ARCSTONE FINANCIAL INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 26, 2024 · Amount on File
Deed SaleMar 26, 2024 · Amount on File
Prior SaleNov 30, 1995 · Amount on File
Deed Document Number202427860
Prior Transfer DateFeb 10, 2023
Prior Transfer Doc0000014786
Record UpdatedSep 20, 2026

February 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address8 MAINSAIL CT, RICHMOND, CA 94804-7464
Transaction TypeMortgage
Record UpdatedFeb 11, 2026
Title CompanyWFT NATIONAL TITLE, WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address8 MAINSAIL CT, RICHMOND, CA 94804-7464

Mortgage

Document Number0000010361
DateFeb 2, 2026
Instrument2026- 010361
Lender
NameOPTIMUM FIRST INC
TypeMortgage Company
Address7755 CENTER AVE STE 900, HUNTINGTON BEACH, CA 92647
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueFeb 1, 2056

March 2024: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 26, 2024
Property Address8 MAINSAIL CT, RICHMOND, CA 94804-7464
Document Number0000027860
Map ReferenceMB 378 PG 18
Instrument DateMar 15, 2024
Instrument2024-027860
Transaction TypeTransfer
Record UpdatedApr 5, 2024
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address8 MAINSAIL CT, RICHMOND, CA 94804-7464

Mortgage

Document Number0000027861
DateMar 26, 2024
Instrument2024-027861
Lender
NameARCSTONE FINANCIAL INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2054

Tax Assessment & Valuation

The 2025 property tax bill for 8 Mainsail Ct was $15,608.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$988,380 (+2%) Land $613,836 Building $374,544
2025$15,608.00$969,000 Land $601,800 Building $367,200
2023$21,091.00 (+197.31%)$873,936 Land $561,816 Building $312,120
2022$7,094.00

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

Flood

FEMA maps place 8 Mainsail 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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies4 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

The area around 8 Mainsail Ct 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 RiskNot 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 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 378 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		1,200 / 35
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100

May also be available: AT&T, GeoLinks, T-Mobile, Verizon.

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