2359 Platt Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 2359 Platt Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,720 sqft · built 1972
Lot Size	0.459 acres (20,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,050,000 (Apr 2026)
Tax Bill	$4,319 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Apr 2026 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`155-272-017-7`

Property Details

APN / Parcel Number

Primary APN	`155-272-017-7`
Alternative APN	`155-272-017`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,720 sqft Living Area
1st Floor Area	1,720 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1973
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	20,000 sqft (0.459 acres)
Garage Type	Attached
Garage Area	462 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	2359 PLATT DR
City	MARTINEZ
State	CA
Zip	94553-5041
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R7 5
Legal Description	T03704 L0008 B
Legal Subdivision	SUBDIVISION 3704
Legal Tract	03704
Legal Lot Number	8
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1003
Census Tract	321101

Owner

Source: Contra Costa County records, as of October 19, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	2359 PLATT DR, MARTINEZ, CA 94553-5041
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2021	Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU
Apr 20, 2026	Grant Deed, Transfer · Conventional Mortgage CMG MORTGAGE INC
Aug 7, 2020	Affidavit of Death, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 20, 2026 · Amount on Record
Deed Sale	Apr 20, 2026 · Amount on Record
Deed Document Number	202639702
Prior Transfer Date	Jul 28, 2020
Prior Transfer Doc	0000165467
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2359 PLATT DR, MARTINEZ, CA 94553-5041
Transaction Type	Mortgage
Record Updated	Apr 30, 2026
Title Company	PLACER TITLE CO ROSEVILL

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2359 PLATT DR, MARTINEZ, CA 94553-5041

Mortgage

Document Number	0000131744
Date	Apr 30, 2021
Instrument	2021-131744

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 20, 2026
Property Address	2359 PLATT DR, MARTINEZ, CA 94553-5041
Document Number	0000039702
Instrument Date	Apr 14, 2026
Instrument	202639702
Transaction Type	Transfer
Record Updated	Jul 6, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$116,655.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	2359 PLATT DR, MARTINEZ, CA 94553-5041

Mortgage

Document Number	0000039703,
Date	Apr 20, 2026
Instrument	202639703

Lender

Name	CMG MORTGAGE INC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6%
Initial Type	Fixed Rate
Max Rate	-1%

August 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 7, 2020
Property Address	2359 PLATT DR, MARTINEZ, CA 94553-5041
Document Number	0000165467
Instrument Date	Jul 28, 2020
Instrument	165467
Transaction Type	Transfer
Record Updated	Sep 24, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2359 PLATT DR MARTINEZ CA 945535041, MARTINEZ, CA 94553-5041

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		$1,014,900 (+226.56%) Land $617,100 Building $397,800
2025	$4,319.00 (+4.5%) Homeowner's exemption	$310,787 (+4.04%) Land $158,479 Building $152,308
2023	$4,133.00 (+0.88%) Homeowner's exemption	$298,721 Land $152,326 Building $146,395
2022	$4,097.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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 Policies	1 in force
Nearby Flood Claims	1 (1995)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows

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	CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2023–2025) 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 688 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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