100 Aster Ct, Hercules, CA 94547 Property Records

Contra Costa County property record for 100 Aster Ct, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,000 sqft · built 1975
Lot Size	0.193 acres (8,400 sqft)
Owner	2 Individual Names on Record
Last Sale	$399,000 (Oct 2014)
Tax Bill	$7,618 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Oct 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`406-310-061-6`

Property Details

APN / Parcel Number

Primary APN	`406-310-061-6`
Alternative APN	`406-310-061`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,000 sqft Living Area
1st Floor Area	1,000 sqft

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1985
Lot Area	8,400 sqft (0.193 acres)
Garage Type	Attached
Garage Area	463 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	100 ASTER CT
City	HERCULES
State	CA
Zip	94547-1202
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 4745 LOT 61
Legal Subdivision	SUBDIVISION 4745
Legal Tract	4745
Legal Lot Number	61
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1007
Census Tract	359203

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	2 Individual Names on Record
Mailing Address	100 ASTER CT, HERCULES, CA 94547-1202
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 1, 2020	Deed of Trust, Mortgage · Conventional Mortgage EAGLE BANK
Oct 31, 2017	Deed of Trust, Mortgage · ARM EAGLE BANK
Sep 6, 2017	Quit Claim Deed, Transfer CERTIFIED TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 13, 2014 · Amount on Record
Deed Sale	Oct 13, 2014 · Amount on Record
Prior Sale	Jan 10, 2014 · Amount on Record
Deed Document Number	2014175979
Last Transfer Date	Aug 3, 2017
Transfer Doc	0000162929
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	100 ASTER CT, HERCULES, CA 94547-1202
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	100 ASTER CT, HERCULES, CA 94547-1202

Mortgage

Document Number	0000189395
Date	Sep 1, 2020
Instrument	2020-189395

Lender

Name	EAGLE BANK
Type	Bank
Address	ROCKVILLE, MD 20852

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2050

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	100 ASTER CT, HERCULES, CA 94547-1202
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000205005
Date	Oct 31, 2017
Instrument	2017-205005

Lender

Name	EAGLE BANK
Type	Bank
Address	ROCKVILLE, MD 20852

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Type Change Date	Nov 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.5%
Index	1-Year LIBOR
Max Rate	8.5%

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 6, 2017
Property Address	100 ASTER CT, HERCULES, CA 94547-1202
Document Number	0000162929
Instrument Date	Aug 3, 2017
Instrument	162929
Transaction Type	Transfer
Record Updated	Sep 12, 2017
Title Company	CERTIFIED TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	100 ASTER CT HERCULES CA 945471202, HERCULES, CA 94547-1202

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		$489,116 (+2%) Land $305,240 Building $183,876
2025	$7,618.00 (+2.7%)	$479,526 (+4.04%) Land $299,255 Building $180,271
2023	$7,418.00 (+1.15%)	$460,908 Land $287,636 Building $173,272
2022	$7,334.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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 64% of the US · lower than 79% of California
Wildfire Likelihood	0.04% 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	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 Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Unwired.

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