840 Hidden Lakes Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 840 Hidden Lakes Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,423 sqft · built 1984
Lot Size	0.172 acres (7,500 sqft)
Owner	Trust Name on File
Tax Bill	$6,319 (2025)
Deeds & Mortgages	May 2017 Second Mortgage Mar 2019 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`155-423-002-7`

Property Details

APN / Parcel Number

Primary APN	`155-423-002-7`
Alternative APN	`155-423-002`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,423 sqft Living Area
Gross Area	2,942 sqft
1st Floor Area	1,347 sqft
2nd Floor Area	1,076 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1985
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Tile
Lot Area	7,500 sqft (0.172 acres)
Garage Type	Attached
Garage Area	519 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	840 HIDDEN LAKES DR
City	MARTINEZ
State	CA
Zip	94553-5459
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R5
Legal Description	T04964 L0100 B
Legal Subdivision	HIDDEN LAKES UNIT 3
Legal Tract	04964
Legal Lot Number	100
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4007
Census Tract	321102

Owner

840 Hidden Lakes Dr is held in a trust since September 2016.

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

Owner of Record	Trust Name on File
Mailing Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459
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
May 31, 2017	Deed of Trust, Mortgage · Stand-Alone Second Mortgage PATELCO CU
Mar 12, 2019	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Sep 23, 2020	Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU
Nov 16, 2021	Deed of Trust, Mortgage · Line of Credit PATELCO CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Sep 17, 2016
Transfer Doc	0000197554
Record Updated	Sep 20, 2026

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000096299
Date	May 31, 2017
Instrument	2017-096299

Lender

Name	PATELCO CU
Type	Credit Union
Address	PLEASANTON, CA 94588

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	85 Months
Due	Jun 1, 2024

March 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000033523
Date	Mar 12, 2019
Instrument	2019-033523

Lender

Name	PATELCO CU
Type	Credit Union
Address	PLEASANTON, CA 94588

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	302 Months
Due	Apr 30, 2044

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459

Mortgage

Document Number	0000212746
Date	Sep 23, 2020
Instrument	2020-212746

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Oct 1, 2035

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	840 HIDDEN LAKES DR, MARTINEZ, CA 94553-5459

Mortgage

Document Number	0000317432
Date	Nov 16, 2021
Instrument	2021-317432

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	301 Months
Due	Dec 30, 2046

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 840 Hidden Lakes Dr was $6,319.

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		$488,083 (+2%) Land $99,518 Building $388,565
2025	$6,319.00	$478,514 Land $97,567 Building $380,947
2023	$6,064.00 (+0.83%)	$459,934 Land $93,779 Building $366,155
2022	$6,014.00

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

Flood

FEMA maps place 840 Hidden Lakes Dr 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
Nearby Flood Policies	2 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

Wildfire risk around 840 Hidden Lakes Dr is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood	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 445 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
AT&T DSL	100 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Hidden Lakes Dr

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