1785 Arnold Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 1785 Arnold Dr, Martinez, CA 94553

Property Summary

Property Type	Commercial Office
Details	15,000 sqft · built 2003
Lot Size	1.59 acres (69,652 sqft)
Owner	Company Name on Record
Last Sale	$3,125,000 (May 2017)
Tax Bill	$45,367 (2025)
Deeds & Mortgages	Aug 2019 Line of Credit May 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`161-291-031-3`

Property Details

APN / Parcel Number

Primary APN	`161-291-031-3`
Alternative APN	`161-291-031`

Interior

Stories	1 Story
Building Area	15,000 sqft Gross Area
1st Floor Area	15,000 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2004
Lot Area	69,652 sqft

Location & Zoning

Street Address	1785 ARNOLD DR
City	MARTINEZ
State	CA
Zip	94553-4110
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Legal Description	VINE HILL HOMESTEAD TR POR LOT G
Legal Subdivision	SUBDIVISION 4013
Legal Lot Number	G
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3005
Census Tract	320004

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	1785 ARNOLD DR, MARTINEZ, CA 94553-4110
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Aug 26, 2019	Deed of Trust, Mortgage · Line of Credit WESTERN HEALTHCARE FCU
May 17, 2017	Grant Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 17, 2017 · Amount on Record
Deed Sale	May 17, 2017 · Amount on Record
Deed Document Number	201785574
Record Updated	Sep 20, 2026

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1785 ARNOLD DR, MARTINEZ, CA 94553-4110
Document Number	0000141405
Instrument Date	Aug 26, 2019
Transaction Type	Mortgage
Record Updated	Sep 17, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	222 MOUNTAIRE CIR CLAYTON CA 945171523, CLAYTON, CA 94517-1523

Mortgage

Document Number	0000141405
Date	Aug 30, 2019
Instrument	141405

Lender

Name	WESTERN HEALTHCARE FCU
Type	Credit Union
Address	MARTINEZ, CA 94553

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Aug 29, 2044

Interest

Rate Type	Adjustable Rate

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 17, 2017
Property Address	1785 ARNOLD DR, MARTINEZ, CA 94553-4110
Document Number	0000085574
Instrument Date	May 15, 2017
Instrument	85574
Transaction Type	Transfer
Record Updated	May 31, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$3,437.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1850 MT DIABLO BLVD #200 WALNUT CREEK CA 945964476, 200, WALNUT CREEK, CA 94596-4476

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	Martinez City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,900,609 (+2%) Land $1,237,066 Building $2,663,543
2025	$45,367.00 (+3.86%)	$3,824,127 (+4.04%) Land $1,212,810 Building $2,611,317
2023	$43,681.00 (+0.97%)	$3,675,633 Land $1,165,716 Building $2,509,917
2022	$43,261.00

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
Nearby Flood Claims	1 (1979)
Most Recent Claim	Oct 1979 · rainfall accumulation

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	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 454 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, AT&T, Verizon.

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