3320 Alfonso Dr, Concord, CA 94518 Property Records

Contra Costa County property record for 3320 Alfonso Dr, Concord, CA 94518

Property Summary

Property Type	Townhouse
Details	3 bd · 2 ba · 1,278 sqft · built 1973
Lot Size	0.184 acres (8,000 sqft)
Owner	2 Individual Names on File
Last Sale	$429,000 (Jan 2014)
Tax Bill	$6,793 (2025)
Flood Zone	Zone X (minimal risk)
APN	`129-441-009-5`

Property Details

APN / Parcel Number

Primary APN	`129-441-009-5`
Alternative APN	`129-441-009`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,278 sqft Living Area
Gross Area	1,817 sqft
1st Floor Area	1,278 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1975
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Tile
Lot Area	8,000 sqft (0.184 acres)
Garage Type	Attached
Garage Area	539 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3320 ALFONSO DR
City	CONCORD
State	CA
Zip	94518-2226
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	R6
Legal Description	TRACT 3785 LOT 35
Legal Subdivision	TREAT PARK
Legal Tract	3785
Legal Lot Number	35
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2008
Census Tract	337202

Owner

Source: Contra Costa County records · APN 129-441-009-5

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	3320 ALFONSO DR, CONCORD, CA 94518-2226
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 24, 2014 · Amount on Record
Deed Sale	Jan 24, 2014 · Amount on Record
Prior Sale	Aug 14, 2001 · Amount on Record
Deed Document Number	201412234
Prior Transfer Date	May 19, 2004
Prior Transfer Doc	0000195420
Record Updated	Sep 20, 2026

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	Concord City
Unified School District	Mount Diablo 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		$536,404 (+2%) Land $425,125 Building $111,279
2025	$6,793.00 (+4.72%)	$525,888 (+4.04%) Land $416,790 Building $109,098
2023	$6,487.00 (+1.44%)	$505,468 Land $400,606 Building $104,862
2022	$6,395.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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.

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
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
AT&T DSL	100 / 20

May also be available: T-Mobile USA, Verizon.

Based on FCC filings for 645 locations within half a mile of this property.

Drinking Water

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

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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. The full violation and enforcement history is in the system's EPA record.