336 Northpark Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 336 Northpark Ct, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,687 sqft · built 2014
Lot Size	0.057 acres (2,481 sqft)
Owner	2 Individual Names on Record
Last Sale	$780,000 (Jan 2022)
Tax Bill	$10,919 (2025)
Deeds & Mortgages	Dec 2020 Line of Credit Jan 2022 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`376-320-034-6`

Property Details

APN / Parcel Number

Primary APN	`376-320-034-6`
Alternative APN	`376-320-034`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,687 sqft Living Area
1st Floor Area	615 sqft
2nd Floor Area	1,072 sqft

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2015
Architectural Style	Cluster
Lot Area	2,481 sqft (0.057 acres)
Garage Type	Attached
Garage Area	472 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	336 NORTHPARK CT
City	MARTINEZ
State	CA
Zip	94553-3721
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9089 L34
Legal Subdivision	SUBDIVISION 9089
Legal Tract	9089
Legal Lot Number	34
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2025
Census Tract	319001

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	336 NORTHPARK CT, MARTINEZ, CA 94553-3721
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Dec 15, 2020	Deed of Trust, Mortgage · Line of Credit US BANK NA
Jan 6, 2022	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Dec 8, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 6, 2022 · Amount on Record
Deed Sale	Jan 6, 2022 · Amount on Record
Prior Sale	Mar 31, 2015 · Amount on Record
Deed Document Number	20222992
Prior Transfer Date	Mar 4, 2015
Prior Transfer Doc	0000058409
Record Updated	Sep 20, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	336 NORTHPARK CT, MARTINEZ, CA 94553-3721
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	336 NORTHPARK CT, MARTINEZ, CA 94553-3721

Mortgage

Document Number	0000314332
Date	Dec 15, 2020
Instrument	2020-314332

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Nov 19, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 6, 2022
Property Address	336 NORTHPARK CT, MARTINEZ, CA 94553-3721
Document Number	0000002992
Map Reference	MB 520 PG 8-18
Instrument Date	Dec 21, 2021
Instrument	2022-002992
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	336 NORTHPARK CT, MARTINEZ, CA 94553-3721

Mortgage

Document Number	0000002993
Date	Jan 6, 2022
Instrument	2022-002993

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2052

December 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 8, 2017
Property Address	336 NORTHPARK CT, MARTINEZ, CA 94553-3721
Document Number	0000231117
Instrument Date	Nov 21, 2017
Instrument	231117
Transaction Type	Transfer
Record Updated	Jan 3, 2018
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	Personal Trust
Address	336 NORTHPARK CT MARTINEZ CA 945533721, MARTINEZ, CA 94553-3721

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	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$844,296 (+2%) Land $541,216 Building $303,080
2025	$10,919.00 (+6.88%)	$827,742 (+4.04%) Land $530,604 Building $297,138
2023	$10,216.00 (+27.18%)	$795,600 Land $510,000 Building $285,600
2022	$8,033.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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 99.1% of the US · lower than 99.2% 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	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 589 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Astound Broadband.

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