2311 Crystal Ave, Concord, CA 94520 Property Records

Contra Costa County property record for 2311 Crystal Ave, Concord, CA 94520

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,748 sqft · built 1942
Lot Size	0.179 acres (7,800 sqft)
Owner	2 Individual Names on File
Last Sale	$862,000 (Jun 2022)
Tax Bill	$9,289 (2025)
Deeds & Mortgages	Jun 2022 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`112-193-021-6`

Property Details

APN / Parcel Number

Primary APN	`112-193-021-6`
Alternative APN	`112-193-021`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,748 sqft Living Area
Gross Area	2,063 sqft
1st Floor Area	1,748 sqft

Exterior

Year Built	Built 1942
Effective Year Built	Effective 1967
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Composition Shingle
Lot Area	7,800 sqft (0.179 acres)
Garage Type	Attached
Garage Area	315 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	2311 CRYSTAL AVE
City	CONCORD
State	CA
Zip	94520-1920
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	GREEN DELL ACRES POR 47
Legal Subdivision	GREEN DELL ACRES
Legal Lot Number	47
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4007
Census Tract	329000

Owner

2311 Crystal Ave is owned and occupied by two individuals who bought it in June 2022.

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

Owner of Record	2 Individual Names on File
Mailing Address	2311 CRYSTAL AVE, CONCORD, CA 94520-1920
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 2, 2022 · Amount on File
Deed Sale	Jun 2, 2022 · Amount on File
Prior Sale	Nov 20, 1998 · Amount on File
Deed Document Number	202293025
Transfer Doc	0000218242
Record Updated	Oct 29, 2026

June 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 2, 2022
Property Address	2311 CRYSTAL AVE, CONCORD, CA 94520-1920
Document Number	0000093025
Map Reference	MB 26 PG 903
Instrument Date	May 24, 2022
Instrument	2022-093025
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Notice of Default Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	5220 STEVEN S STROUD DR, ANTIOCH, CA 94531-8255

Mortgage

Document Number	0000093026
Date	Jun 2, 2022
Instrument	2022-093026

Lender

Name	EVERETT FINANCIAL INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 2311 Crystal Ave was $9,289.

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		$735,000 (-2%) Land $511,602 Building $223,398
2025	$9,289.00	$750,000 Land $500,000 Building $250,000
2023	$8,883.00 (+103.69%)	$720,000 Land $500,000 Building $220,000
2022	$4,361.00

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

Flood

FEMA maps place 2311 Crystal Ave in Zone X, an area of moderate flood risk, though there have been 3 flood claims nearby since 1980.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	3 (1980–1983)
Most Recent Claim	Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes

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

The area around 2311 Crystal Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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 611 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable · Fiber in parts of the area	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20