4975 Discovery Pt, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 4975 Discovery Pt, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,554 sqft · built 1978
Lot Size	0.165 acres (7,200 sqft)
Owner	Individual Name on File
Last Sale	$310,000 (Jun 2011)
Tax Bill	$5,839 (2025)
Deeds & Mortgages	Apr 2018 Line of Credit
Flood Zone	Zone X (moderate risk)
APN	`004-061-008-1`

Property Details

APN / Parcel Number

Primary APN	`004-061-008-1`
Alternative APN	`004-061-008`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	2,554 sqft Living Area
1st Floor Area	1,603 sqft
Basement Area	951 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1989
Lot Area	7,200 sqft (0.165 acres)
View / Lot	Waterfront
Garage Type	Attached
Garage Area	430 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4975 DISCOVERY PT
City	DISCOVERY BAY
State	CA
Zip	94505-9464
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	F1
Legal Description	TRACT 4077 LOT 8 EX MR
Legal Subdivision	SUBDIVISION 4077
Legal Tract	4077
Legal Lot Number	8
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	2
Census Block	2002
Census Tract	304004

Owner

4975 Discovery Pt is owned and occupied by an individual who bought it in June 2011.

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

Owner of Record	Individual Name on File
Mailing Address	4975 DISCOVERY PT, DISCOVERY BAY, CA 94505-9464
Occupancy	Owner Occupied
Owner Type	Individual

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

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 22, 2011 · Amount on File
Deed Sale	Jun 22, 2011 · Amount on File
Prior Sale	Jan 21, 2011 · Amount on File
Deed Document Number	2011123540
Prior Transfer Date	Jan 7, 2005
Prior Transfer Doc	0000044026
Record Updated	Oct 29, 2026

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4975 DISCOVERY PT, DISCOVERY BAY, CA 94505-9464
Document Number	0000065354
Instrument Date	Apr 25, 2018
Transaction Type	Mortgage
Record Updated	Aug 31, 2018
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4975 DISCOVERY PT DISCOVERY BAY CA 945059464, DISCOVERY BAY, CA 94505-9464

Mortgage

Document Number	0000065354
Date	Apr 26, 2018
Instrument	65354

Lender

Name	FIRST UNITED CU
Address	PLEASANTON, CA 94588-2718

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Apr 25, 2048

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 4975 Discovery Pt was $5,839 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
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		$385,492 (+2%) Land $294,024 Building $91,468
2025	$5,839.00 Homeowner's exemption	$377,934 Land $288,259 Building $89,675
2023	$5,418.00 (+1.56%) Homeowner's exemption	$363,260 Land $277,066 Building $86,194
2022	$5,335.00

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

Flood

FEMA maps place 4975 Discovery Pt in Zone X, an area of moderate flood risk, within 100 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 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	1 in force
Nearby Flood Claims	10 (1982–2017)
Claims Outside the SFHA	4 of 10
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Winter Storms And Flooding, Mar 1998 · 2 claims

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 4975 Discovery Pt is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 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 377 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 DSL	100 / 20

May also be available: Matrix Broadband.

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