1280 Diamond Way, Concord, CA 94520 Property Records

Contra Costa County property record for 1280 Diamond Way, Concord, CA 94520

Property Summary

Property Type	Industrial Park
Details	7,207 sqft · built 1960
Lot Size	0.493 acres (21,475 sqft)
Owner	2 Trust Names on File
Last Sale	$950,000 (Jul 2021)
Tax Bill	$24,645 (2025)
Deeds & Mortgages	Feb 2023 Transfer Jul 2021 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`127-240-009-2`

Property Details

APN / Parcel Number

Primary APN	`127-240-009-2`
Alternative APN	`127-240-009`

Interior

Total Rooms	4 Rooms
Stories	1 Story
Building Area	7,207 sqft Gross Area
1st Floor Area	7,207 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Lot Area	21,475 sqft (0.493 acres)

Location & Zoning

Street Address	1280 DIAMOND WAY
City	CONCORD
State	CA
Zip	94520-5274
Property Category	Industrial
Property Type	Industrial > Industrial Park
Legal Description	RO MONTE DEL DIABLO .58 AC
Legal Subdivision	MONTE DEL DIABLO RHO
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2058
Census Tract	327001

Owner

1280 Diamond Way, an industrial property, is held in a trust since January 2023.

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

Owner of Record	2 Trust Names on File
Mailing Address	221 ROUNDHILL PL, CLAYTON, CA 94517-1318
Owner Type	Company
Vesting	Trust

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
Feb 7, 2023	Correction Deed OLD REPUBLIC TITLE COMPANY
Jul 21, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY
Jul 21, 2021	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE COMPANY
Jul 10, 2017	Quit Claim Deed, Transfer AVIDBANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 21, 2021 · Amount on File
Deed Sale	Jul 21, 2021 · Amount on File
Prior Sale	Jan 29, 2021 · Amount on File
Deed Document Number	2021205698
Last Transfer Date	Jan 18, 2023
Transfer Doc	0000010891
Record Updated	Sep 20, 2026

February 2023: Correction Deed

Document Type	Correction Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 7, 2023
Property Address	1280 DIAMOND WAY, CONCORD, CA 94520-5274
Document Number	0000010891
Instrument Date	Jan 18, 2023
Instrument	2023-010891
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Revocable Trust
Address	221 ROUNDHILL PL, CLAYTON, CA 94517-1318

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 21, 2021
Property Address	1280 DIAMOND WAY, CONCORD, CA 94520-5274
Document Number	0000205698
Instrument Date	Jul 19, 2021
Instrument	2021-205698
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	221 ROUNDHILL PL, CLAYTON, CA 94517-1318

July 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 21, 2021
Property Address	1280 DIAMOND WAY, CONCORD, CA 94520-5274
Document Number	0000205697
Instrument Date	Jul 16, 2021
Instrument	2021-205697
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

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	Family Revocable Trust
Address	221 ROUNDHILL PL, CLAYTON, CA 94517-1318

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 10, 2017
Property Address	1280 DIAMOND WAY, CONCORD, CA 94520-5274
Document Number	0000122585
Instrument Date	Jun 19, 2017
Instrument	122585
Transaction Type	Transfer
Record Updated	Jul 14, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	540 MARTIN AVE SANTA CLARA CA 950502954, SANTA CLARA, CA 95050-2954

Mortgage

Document Number	122586
Date	Jul 10, 2017
Instrument	122586

Lender

Name	AVIDBANK
Type	Bank
Address	400 EMERSON ST, PALO ALTO, CA 94301-1604

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 1280 Diamond Way was $24,645.

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		$2,056,620 (+2%) Land $692,756 Building $1,363,864
2025	$24,645.00	$2,016,295 Land $679,173 Building $1,337,122
2023	$23,641.00 (-0.64%)	$1,938,000 Land $652,800 Building $1,285,200
2022	$23,794.00

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

Flood

FEMA maps place 1280 Diamond Way 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 6 (20% premium discount)
Nearby Flood Policies	7 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

The area around 1280 Diamond Way 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 119 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
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

May also be available: AT&T, T-Mobile, Verizon.

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