1748 Duncan Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 1748 Duncan Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,968 sqft · built 1989
Lot Size	0.139 acres (6,050 sqft)
Owner	Individual Name on File
Last Sale	$820,000 (Jul 2025)
Tax Bill	$9,698 (2025)
Deeds & Mortgages	Mar 2026 Mortgage Oct 2025 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`372-163-011-3`

Property Details

APN / Parcel Number

Primary APN	`372-163-011-3`
Alternative APN	`372-163-011`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,968 sqft Living Area
1st Floor Area	1,500 sqft
2nd Floor Area	468 sqft

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1991
Lot Area	6,050 sqft (0.139 acres)
Garage Type	Attached
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1748 DUNCAN DR
City	MARTINEZ
State	CA
Zip	94553-2417
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	SUNNYSIDE TERR EXT #2 LOT 2
Legal Subdivision	SUNNYSIDE TERRACE EXT
Legal Lot Number	2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2011
Census Tract	318000

Owner

Source: Contra Costa County assessment roll, 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	Individual Name on File
Mailing Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Man

Deeds, Mortgages & Sale History

Date	Document
Mar 10, 2026	Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION
Oct 27, 2025	Deed of Trust, Mortgage · Line of Credit JACKSON FLAGSTAR CENTRE OFFICE
Jan 20, 2023	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Nov 1, 2018	Deed of Trust, Mortgage · ARM PATELCO CU
May 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 9, 2025 · Amount on Record
Deed Sale	Jul 9, 2025 · Amount on Record
Prior Sale	Jan 20, 2023 · Amount on Record
Deed Document Number	202568809
Prior Transfer Date	Feb 4, 2003
Prior Transfer Doc	0000063811
Record Updated	Sep 20, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417
Transaction Type	Mortgage
Record Updated	Mar 19, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417

Mortgage

Document Number	0000023155
Date	Mar 10, 2026
Instrument	2026- 023155

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Mortgage Company
Address	1 WORLD TRADE CTR # 8080, NEW YORK, NY 10007

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417
Transaction Type	Mortgage
Record Updated	Nov 7, 2025
Title Company	BEST TITLE COMPANY, ESSENT TITLE INSURANCE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417

Mortgage

Document Number	0000112840
Date	Oct 27, 2025
Instrument	2025- 112840

Lender

Name	JACKSON FLAGSTAR CENTRE OFFICE
Type	Bank
Address	5151 CORPORATE DR, TROY, MI 48098

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

Interest

Change Frequency	Monthly

January 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 20, 2023
Property Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417
Document Number	0000005252
Map Reference	MB 24 PG 777
Instrument Date	Jan 13, 2023
Instrument	2023-005252
Transaction Type	Transfer
Record Updated	Jan 30, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	Community Property with Right of Survivorship
Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417

Mortgage

Document Number	0000005253
Date	Jan 20, 2023
Instrument	2023-005253

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2053

November 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000178202
Date	Nov 1, 2018
Instrument	2018-178202

Lender

Name	PATELCO CU
Type	Credit Union
Address	PLEASANTON, CA 94588

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.87%
Type Change Date	Nov 1, 2023
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.87%
Index	1-Year CMT
Max Rate	9.87%

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1748 DUNCAN DR, MARTINEZ, CA 94553-2417

Mortgage

Document Number	0000159117
Date	May 28, 2021
Instrument	2021-159117

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Jun 1, 2026
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.87%
Index	1-Year CMT
Max Rate	8.87%

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		$820,000 (+10.23%) Land $350,000 Building $470,000
2025	$9,698.00 (+57.18%)	$743,886 (+59.66%) Land $379,746 Building $364,140
2023	$6,170.00 (+1.65%) Homeowner's exemption	$465,915 Land $88,626 Building $377,289
2022	$6,070.00

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 Policies	3 in force
Nearby Flood Claims	5 (1982–2017)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides

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	High above 79% of the US · above 57% of California
Wildfire Likelihood	0.6% annual chance
Exposure	Direct burnable vegetation at the parcel

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

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

May also be available: Unwired.

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