103 Alder Ct, Hercules, CA 94547 Property Records

Contra Costa County property record for 103 Alder Ct, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,581 sqft · built 1977
Lot Size	0.175 acres (7,623 sqft)
Owner	Individual Name on File
Last Sale	$680,000 (Oct 2020)
Tax Bill	$11,212 (2025)
Deeds & Mortgages	Oct 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`406-441-001-4`

Property Details

APN / Parcel Number

Primary APN	`406-441-001-4`
Alternative APN	`406-441-001`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,581 sqft Living Area
1st Floor Area	1,581 sqft

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Lot Area	7,623 sqft (0.175 acres)
Garage Type	Attached
Garage Area	447 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	103 ALDER CT
City	HERCULES
State	CA
Zip	94547-1331
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T04746 L0056 B
Legal Subdivision	SUBDIVISION 4746
Legal Tract	04746
Legal Lot Number	56
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3001
Census Tract	359203

Owner

Source: Contra Costa County assessment roll, 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 File
Mailing Address	103 ALDER CT, HERCULES, CA 94547-1331
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 6, 2020 · Amount on Record
Deed Sale	Oct 6, 2020 · Amount on Record
Deed Document Number	2020228977
Prior Transfer Date	Feb 2, 2005
Prior Transfer Doc	0000178450
Record Updated	Sep 20, 2026

October 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 6, 2020
Property Address	103 ALDER CT, HERCULES, CA 94547-1331
Document Number	0000228977
Map Reference	MB 179 PG 22-30
Instrument Date	Sep 30, 2020
Instrument	2020-228977
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	103 ALDER CT, HERCULES, CA 94547-1331

Mortgage

Document Number	0000228978
Date	Oct 6, 2020
Instrument	2020-228978

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$750,773 (+2%) Land $331,223 Building $419,550
2025	$11,212.00 (+5.61%)	$736,053 (+4.04%) Land $324,729 Building $411,324
2023	$10,616.00 (+1.1%)	$707,472 Land $312,120 Building $395,352
2022	$10,500.00

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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

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

Wildfire Risk	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.06% annual chance
Exposure	Direct burnable vegetation at the parcel

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
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. 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 494 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Unwired.

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