316 Iris Rd, Hercules, CA 94547 Property Records

Contra Costa County property record for 316 Iris Rd, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,328 sqft · built 1979
Lot Size	0.321 acres (14,000 sqft)
Owner	2 Individual Names on File
Last Sale	$230,000 (Dec 1993)
Tax Bill	$6,485 (2025)
Deeds & Mortgages	Jul 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`406-191-005-7`

Property Details

APN / Parcel Number

Primary APN	`406-191-005-7`
Alternative APN	`406-191-005`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,328 sqft Living Area
1st Floor Area	1,323 sqft
2nd Floor Area	1,005 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Lot Area	14,000 sqft (0.321 acres)
Garage Type	Attached
Garage Area	483 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	316 IRIS RD
City	HERCULES
State	CA
Zip	94547-1217
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 5007 LOT 5
Legal Subdivision	SUBDIVISION 5007
Legal Tract	5007
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1008
Census Tract	359203

Owner

Source: Contra Costa County records · APN 406-191-005-7

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	316 IRIS RD, HERCULES, CA 94547-1217
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 22, 1993 · Amount on Record
Deed Sale	Dec 22, 1993 · Amount on Record
Deed Document Number	1993365520
Deed Book / Page	19290 / 337
Last Transfer Date	Jun 17, 2014
Transfer Doc	0000142067
Record Updated	Sep 20, 2026

July 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 19, 2021
Property Address	316 IRIS RD, HERCULES, CA 94547-1217
Document Number	0000202967
Map Reference	MB 200 PG 12
Instrument Date	Jul 13, 2021
Instrument	2021-202967
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	ACCOMODATION, ACCOMMODATION

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
Relationship	Joint Tenants with Right of Survivorship
Address	316 IRIS RD, HERCULES, CA 94547-1217

Mortgage

Document Number	0000202968
Date	Jul 19, 2021
Instrument	2021-202968

Lender

Name	WYNDHAM CAPITAL MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 01, 2051

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$398,711 (+2%) Land $167,801 Building $230,910
2025	$6,485.00 (+6.52%) Homeowner's exemption	$390,894 (+4.04%) Land $164,511 Building $226,383
2023	$6,088.00 (+1.1%) Homeowner's exemption	$375,718 Land $158,124 Building $217,594
2022	$6,022.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Moderate above 64% of the US · lower than 61% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

Based on FCC filings for 215 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0110005, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.