3331 Alfonso Dr, Concord, CA 94518 Property Records

Contra Costa County property record for 3331 Alfonso Dr, Concord, CA 94518

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,611 sqft · built 1975
Lot Size	0.147 acres (6,400 sqft)
Owner	Individual Name on File
Last Sale	$977,000 (Jun 2026)
Tax Bill	$3,196 (2025)
Deeds & Mortgages	Jun 2026 Sale & Mortgage Jun 2026 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`129-442-004-5`

Property Details

APN / Parcel Number

Primary APN	`129-442-004-5`
Alternative APN	`129-442-004`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,611 sqft Living Area
1st Floor Area	1,611 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1976
Lot Area	6,400 sqft (0.147 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	3331 ALFONSO DR
City	CONCORD
State	CA
Zip	94518-2252
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R66
Legal Description	TRACT 3785 LOT 44
Legal Subdivision	TREAT PARK
Legal Tract	3785
Legal Lot Number	44
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2006
Census Tract	337202

Owner

3331 Alfonso Dr is owned and occupied by an individual who bought it in June 2026.

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

Owner of Record	Individual Name on File
Mailing Address	3331 ALFONSO DR, CONCORD, CA 94518-2252
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	His Wife

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

Date	Document
Jun 24, 2026	Grant Deed, Transfer · Conventional Mortgage U S BANK N A
Jun 23, 2026	Affidavit of Death of Trustee, Transfer
Jan 29, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 24, 2026 · Amount on File
Deed Sale	Jun 24, 2026 · Amount on File
Prior Sale	Jul 12, 1996 · Amount on File
Deed Document Number	202666439
Prior Transfer Date	Oct 9, 2019
Prior Transfer Doc	0000018313
Record Updated	Oct 29, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 24, 2026
Property Address	3331 ALFONSO DR, CONCORD, CA 94518-2252
Document Number	0000066439
Instrument Date	Jun 22, 2026
Instrument	202666439
Transaction Type	Transfer
Record Updated	Jul 2, 2026
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$108,544.70
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3331 ALFONSO DR, CONCORD, CA 94518-2252

Mortgage

Document Number	0000066440,
Date	Jun 24, 2026
Instrument	202666440

Lender

Name	U S BANK N A

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.36%
Initial Type	Fixed Rate
Max Rate	-1%

June 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 23, 2026
Property Address	3331 ALFONSO DR, CONCORD, CA 94518-2252
Document Number	0000065722
Instrument Date	Jun 17, 2026
Instrument	202665722
Transaction Type	Transfer
Record Updated	Aug 30, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3354 VERNON TER, PALO ALTO, CA 94303-4203

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 29, 2020
Property Address	3331 ALFONSO DR, CONCORD, CA 94518-2252
Document Number	0000018313
Instrument Date	Oct 9, 2019
Instrument	18313
Transaction Type	Transfer
Record Updated	Feb 10, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3331 ALFONSO DR CONCORD CA 945182252, CONCORD, CA 94518-2252

Tax Assessment & Valuation

The 2025 property tax bill for 3331 Alfonso Dr was $3,196.

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

Year	Tax Bill	Assessed Value
2026		$215,104 (+2%) Land $141,195 Building $73,909
2025	$3,196.00 Homeowner's exemption	$210,887 Land $138,427 Building $72,460
2023	$3,016.00 (+2.13%) Homeowner's exemption	$202,700 Land $133,052 Building $69,648
2022	$2,953.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 3331 Alfonso Dr in Zone X, an area of minimal flood risk.

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
Community Rating System	Class 7 (15% premium discount)
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

Wildfire risk around 3331 Alfonso Dr is low, with 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 98% of the US · lower than 98.4% of California
Wildfire Likelihood	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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
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, 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 645 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
AT&T DSL	100 / 20

May also be available: T-Mobile, Verizon.

Nearby Properties on Alfonso Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures