100 Santos Ranch Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 100 Santos Ranch Ct, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,204 sqft · built 2005
Lot Size	0.144 acres (6,288 sqft)
Owner	2 Trust Names on File
Last Sale	$555,000 (Dec 2009)
Tax Bill	$9,536 (2025)
Deeds & Mortgages	Apr 2020 Mortgage Feb 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`162-510-022-5`

Property Details

APN / Parcel Number

Primary APN	`162-510-022-5`
Alternative APN	`162-510-022`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,204 sqft Living Area
1st Floor Area	1,429 sqft
2nd Floor Area	1,775 sqft

Exterior

Year Built	Built 2005
Effective Year Built	Effective 2006
Lot Area	6,288 sqft (0.144 acres)
Garage Type	Attached
Garage Area	560 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	100 SANTOS RANCH CT
City	MARTINEZ
State	CA
Zip	94553-4701
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8474 L6
Legal Subdivision	SUBDIVISION 8474
Legal Tract	8474
Legal Lot Number	6
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3007
Census Tract	321101

Owner

100 Santos Ranch Ct is owner-occupied and held in a trust since November 2024.

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

Owner of Record	2 Trust Names on File
Mailing Address	100 SANTOS RANCH CT, MARTINEZ, CA 94553-4701
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family 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
Apr 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Feb 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 29, 2009 · Amount on File
Deed Sale	Dec 29, 2009 · Amount on File
Prior Sale	Oct 21, 2009 · Amount on File
Deed Document Number	2009303928
Last Transfer Date	Nov 7, 2024
Transfer Doc	0000122396
Record Updated	Oct 29, 2026

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	100 SANTOS RANCH CT, MARTINEZ, CA 94553-4701
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE SAN JOSE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000080479
Date	Apr 29, 2020
Instrument	2020-080479

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2050

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	100 SANTOS RANCH CT, MARTINEZ, CA 94553-4701
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SOLIDIFI

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	100 SANTOS RANCH CT, MARTINEZ, CA 94553-4701

Mortgage

Document Number	0000042698
Date	Feb 11, 2021
Instrument	2021-042698

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 100 Santos Ranch Ct was $9,536 with a homeowner's exemption.

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		$730,715 (+2%) Land $263,318 Building $467,397
2025	$9,536.00 Homeowner's exemption	$716,388 Land $258,155 Building $458,233
2023	$8,914.00 (+2.44%) Homeowner's exemption	$688,573 Land $248,132 Building $440,441
2022	$8,702.00

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

Flood

FEMA maps place 100 Santos Ranch Ct 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	1 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 100 Santos Ranch Ct is low, with less than 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 98% of the US · lower than 98.4% 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 403 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
AT&T DSL	100 / 20

May also be available: Astound Broadband.

Cell Coverage

5G (outdoors only) and 4G LTE

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