200 Mason Cir, Concord, CA 94520 Property Records

Contra Costa County property record for 200 Mason Cir, Concord, CA 94520

Property Summary

Property Type	Light Industrial
Details	12,600 sqft · built 1984
Lot Size	1.53 acres (67,082 sqft)
Owner	Company Name on Record
Last Sale	$200,000 (Feb 1998)
Tax Bill	$28,001 (2025)
Deeds & Mortgages	Feb 2017 Line of Credit Feb 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`159-070-038-9`

Property Details

APN / Parcel Number

Primary APN	`159-070-038-9`
Alternative APN	`159-070-038`

Interior

Stories	1 Story
Building Area	12,600 sqft Gross Area
1st Floor Area	12,600 sqft

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1985
Lot Area	67,082 sqft

Location & Zoning

Street Address	200 MASON CIR
City	CONCORD
State	CA
Zip	94520-1249
Property Category	Industrial
Property Type	Industrial > Light Industrial
Legal Description	TRACT 5994 POR LOT 16 EX MR
Legal Subdivision	MASON INDUSTRIAL PARK
Legal Tract	5994
Legal Lot Number	16
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1082
Census Tract	315000

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	249 LAS QUEBRADAS, ALAMO, CA 94507-1706
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Feb 27, 2017	Quit Claim Deed, Transfer · Line of Credit BANK OF THE WEST
Feb 23, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 10, 1998 · Amount on Record
Deed Sale	Feb 10, 1998 · Amount on Record
Deed Document Number	199826960
Last Transfer Date	Feb 22, 2017
Transfer Doc	0000035282
Record Updated	Sep 20, 2026

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 27, 2017
Property Address	200 MASON CIR, CONCORD, CA 94520-1249
Document Number	0000035282
Instrument Date	Feb 22, 2017
Instrument	35282
Transaction Type	Transfer
Record Updated	Mar 8, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

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	1560 LAS TRAMPAS RD ALAMO CA 945071850, ALAMO, CA 94507-1850

Mortgage

Document Number	35283
Date	Feb 27, 2017
Instrument	35283

Lender

Name	BANK OF THE WEST
Type	Bank
Address	2127 BROADWAY, OAKLAND, CA 94612-2309

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 23, 2017
Property Address	200 MASON CIR, CONCORD, CA 94520-1249
Document Number	0000033142
Instrument Date	Feb 13, 2017
Instrument	33142
Transaction Type	Transfer
Record Updated	Mar 7, 2017
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	1560 LAS TRAMPAS RD ALAMO CA 945071850, ALAMO, CA 94507-1850

Tax Assessment & Valuation

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		$2,207,193 (+2%) Land $746,244 Building $1,460,949
2025	$28,001.00 (+5.04%)	$2,163,915 (+4.04%) Land $731,612 Building $1,432,303
2023	$26,657.00 (+2.29%)	$2,079,889 Land $703,203 Building $1,376,686
2022	$26,059.00

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

Flood

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
Flood Insurance Cost	Premium on Record median of 10 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	10 in force
Nearby Flood Claims	1 (1993)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1993 · Severe Winter Storm, Mud & Land Slides, & Flooding

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

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

Wildfire Risk	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 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 36 locations within half a mile, as of December 31, 2025

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

May also be available: T-Mobile.

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