159 Mason Cir, Concord, CA 94520 Property Records

Contra Costa County property record for 159 Mason Cir, Concord, CA 94520 · Last verified July 2026

Property Highlights

Property Type	Industrial > Light Industrial (10% Improved Office Space; Machine Shop)
Year Built	Built 1989
Square Footage	9,900 sqft Gross Area
Lot Size	1.17 acres
Tax Bill	$22,587.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`159-070-045-4`
Alternative APN	`159-070-045`

Interior

Building Area	9,900 sqft Gross Area
1st Floor	9,900 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Lot Area	51,400 sqft

Location & Zoning

Street Address	159 MASON CIR
City	CONCORD
State	CA
Zip	94520-1213
Property Usage	Industrial Property Usage
Type	Industrial > Light Industrial (10% Improved Office Space; Machine Shop)
Legal Description	PCL MAP 124 PG 45 PCL B EX MR
Legal Tract	124PM45
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	CENTRAL CONTRA COSTA
Census Blockgroup	1
Census Block	1029
Census Tract	315000

Owner

Source: Contra Costa County records · APN 159-070-045-4

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 Company Names on File
Mailing Address	159 MASON CIR, CONCORD, CA 94520-1213
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Mar 06, 2017
Transfer Doc	0000040122
Record Refreshed	Sep 20, 2026

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 07, 2017
Property Address	159 MASON CIR, CONCORD, CA 94520-1213
Document Number	0000040122
Instrument Date	Mar 06, 2017
Instrument	40122
Transaction Type	Transfer
Record Updated	Mar 14, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	343 TURNBRIDGE ST VACAVILLE CA 956878206, VACAVILLE, CA 95687-8206

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		$1,886,576 (+2%) Land $878,931 Building $1,007,645
2025	$22,587.00 (+3.44%)	$1,849,586 (+4.04%) Land $861,698 Building $987,888
2023	$21,836.00 (+0.64%)	$1,777,766 Land $828,238 Building $949,528
2022	$21,698.00