1707 Dolphin Pl, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 1707 Dolphin Pl, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 3,399 sqft · built 1987
Lot Size	0.179 acres (7,800 sqft)
Owner	Individual Name on Record
Last Sale	$900,000 (Jul 2018)
Tax Bill	$12,780 (2025)
Deeds & Mortgages	Feb 2018 Line of Credit Jun 2020 Mortgage + 4 more
Flood Zone	Zone X (moderate risk)
APN	`008-041-021`

Property Details

APN / Parcel Number

Primary APN	`008-041-021`
Alternative APN	`008-041-021-0`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,399 sqft Living Area
1st Floor Area	1,905 sqft
2nd Floor Area	1,494 sqft

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1990
Lot Area	7,800 sqft (0.179 acres)
View / Lot	Waterfront
Garage Type	Attached
Garage Area	875 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1707 DOLPHIN PL
City	DISCOVERY BAY
State	CA
Zip	94505-9364
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T6144 L96 TR ADJ
Legal Subdivision	SUBDIVISION 6114
Legal Tract	6144
Legal Lot Number	96
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1001
Census Tract	304004

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Feb 8, 2018	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA
Jun 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Aug 10, 2022	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Oct 21, 2022	Transfer on Death Deed, Transfer
Jul 31, 2018	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Jul 31, 2018	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 31, 2018 · Amount on Record
Deed Sale	Jul 31, 2018 · Amount on Record
Prior Sale	Nov 25, 1996 · Amount on Record
Deed Document Number	2018121684
Last Transfer Date	Oct 18, 2022
Transfer Doc	0000165091
Record Updated	Sep 20, 2026

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000020379
Date	Feb 8, 2018
Instrument	2018-020379

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000127073
Date	Jun 29, 2020
Instrument	2020-127073

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Jul 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.87%
Index	1-Year LIBOR
Max Rate	7.87%

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NATIONAL CLOSING SOLUTIONS

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364

Mortgage

Document Number	0000124796
Date	Aug 10, 2022
Instrument	2022-124796

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	302 Months
Due	Sep 30, 2047

Interest

Rate Type	Adjustable Rate
Rate	5.25%
Change Frequency	Monthly
Min Rate At Change	3%
Max Rate At Change	17%
Index	Other
Max Rate	17%

October 2022: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 21, 2022
Property Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Document Number	0000165091
Map Reference	MB 277 PG 42
Instrument Date	Oct 18, 2022
Instrument	2022-165091
Transaction Type	Transfer
Record Updated	Nov 3, 2022

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
Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364

July 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 31, 2018
Property Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Document Number	0000121685
Map Reference	MB 277 PG 42
Instrument Date	Jul 30, 2018
Instrument	2018-121685
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
Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 31, 2018
Property Address	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364
Document Number	0000121684
Map Reference	MB 277 PG 42
Instrument Date	Jul 27, 2018
Instrument	2018-121684
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
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	1707 DOLPHIN PL, DISCOVERY BAY, CA 94505-9364

Mortgage

Document Number	0000121686
Date	Jul 31, 2018
Instrument	2018-121686

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Elementary School District	Byron Union Elementary School District (KG - 08)
Secondary School District	Liberty Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,024,041 (+2%) Land $327,692 Building $696,349
2025	$12,780.00 (+6.19%)	$1,003,963 (+4.04%) Land $321,267 Building $682,696
2023	$12,035.00 (+1.58%)	$964,980 Land $308,793 Building $656,187
2022	$11,848.00

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 Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	7 in force
Nearby Flood Claims	1 (1995)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 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 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	TOWN OF DISCOVERY BAY serves 16,790 people · EPA ID CA0710009
Water Source	Groundwater
Last State Inspection	Mar 2023
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.

Internet Providers

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

Provider	Max 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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