1877 Dolphin Pl, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 1877 Dolphin Pl, Discovery Bay, CA 94505

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 3,662 sqft · built 1987
Lot Size0.165 acres (7,200 sqft)
Owner2 Company Names on Record
Last Sale$367,000 (Feb 1995)
Tax Bill$8,454 (2025)
Deeds & MortgagesMar 2020 Mortgage
Flood ZoneZone X (moderate risk)
APN008-041-019-4

Property Details

APN / Parcel Number

Primary APN008-041-019-4
Alternative APN
  • 008-041-019

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms12 Rooms
Stories2 Stories
Building Area3,662 sqft Living Area
1st Floor Area1,941 sqft
2nd Floor Area1,721 sqft

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1987
Lot Area7,200 sqft (0.165 acres)
View / LotWaterfront
Garage TypeAttached
Garage Area543 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address1877 DOLPHIN PL
CityDISCOVERY BAY
StateCA
Zip94505-9366
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeP1
Legal DescriptionT06144 L0113 B EX 3/4 MR
Legal SubdivisionSUBDIVISION 6144
Legal Tract06144
Legal Lot Number113
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1001
Census Tract304004

Owner

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 Record2 Company Names on Record
Mailing Address1877 DOLPHIN PL, DISCOVERY BAY, CA 94505-9366
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 16, 1995 · Amount on Record
Deed SaleFeb 16, 1995 · Amount on Record
Deed Document Number199526111
Last Transfer DateOct 17, 2024
Transfer Doc0000116607
Record UpdatedSep 20, 2026

March 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 27, 2020
Property Address1877 DOLPHIN PL, DISCOVERY BAY, CA 94505-9366
Document Number0000059339
Instrument DateMar 20, 2020
Instrument59339
Transaction TypeTransfer
Record UpdatedApr 13, 2020
Title CompanyFIRST AMERICAN TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address1877 DOLPHIN PL DISCOVERY BAY CA 945059366, DISCOVERY BAY, CA 94505-9366

Mortgage

Document Number59340
DateMar 27, 2020
Instrument59340
Lender
NamePROVIDENT CU
TypeCredit Union
AddressREDWOOD CITY, CA 94065-1409
Agreement
AmountAmount Recorded

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Elementary School DistrictByron Union Elementary School District (KG - 08)
Secondary School DistrictLiberty Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$628,756 (+2%) Land $205,584 Building $423,172
2025$8,454.00 (+6.88%)$616,428 (+4.04%) Land $201,553 Building $414,875
2023$7,910.00 (+1.58%) Homeowner's exemption$592,493 Land $193,727 Building $398,766
2022$7,787.00

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 ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies7 in force
Nearby Flood Claims1 (1995)
Claims Outside the SFHA1 of 1
Most Recent ClaimJan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows

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 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 SystemTOWN OF DISCOVERY BAY
serves 16,790 people · EPA ID CA0710009
Water SourceGroundwater
Last State InspectionMar 2023
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 423 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless · DSL
100 / 20

May also be available: Matrix Broadband.

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