604 Soto St, Martinez, CA 94553 Property Records

Contra Costa County property record for 604 Soto St, Martinez, CA 94553

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,531 sqft · built 1952
Lot Size	0.138 acres (6,000 sqft)
Owner	Company Name on Record
Last Sale	$820,000 (May 2023)
Tax Bill	$11,584 (2025)
Deeds & Mortgages	May 2023 Sale & Mortgage Nov 2017 Mortgage
Flood Zone	Zone AO (high risk)
APN	`372-244-005-8`

Property Details

APN / Parcel Number

Primary APN	`372-244-005-8`
Alternative APN	`372-244-005`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	12 Rooms
Stories	1 Story
Building Area	1,531 sqft Living Area
1st Floor Area	1,531 sqft

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1970
Architectural Style	Duplex Single
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	604 SOTO ST, 608
City	MARTINEZ
State	CA
Zip	94553-2640
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R2
Legal Description	ORIGINAL SURVEY LOT 10 BLK 146
Legal Subdivision	MARTINEZ
Legal Block	146
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3000
Census Tract	318000

Owner

Source: Contra Costa County records, 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	Company Name on Record
Mailing Address	3247 ROHRER DR, LAFAYETTE, CA 94549-5633
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 16, 2023	Grant Deed, Transfer · Conventional Mortgage PROVIDENT CU
Nov 3, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage LAND-HOME FINANCIAL SERVICES

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 16, 2023 · Amount on Record
Deed Sale	May 16, 2023 · Amount on Record
Deed Document Number	202345726
Prior Transfer Date	Apr 18, 1997
Prior Transfer Doc	0000070967
Record Updated	Oct 29, 2026

May 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 16, 2023
Property Address	604 SOTO ST, MARTINEZ, CA 94553-2640
Document Number	0000045726
Map Reference	MB 21 PG 567
Instrument Date	May 5, 2023
Instrument	2023-045726
Transaction Type	Transfer
Record Updated	Dec 19, 2025
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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
Address	3247 ROHRER DR, LAFAYETTE, CA 94549-5633

Mortgage

Document Number	0000045727
Date	May 16, 2023
Instrument	2023-045727

Lender

Name	PROVIDENT CU
Type	Credit Union

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	6%
Type Change Date	Jun 1, 2033
Change Frequency	10 Years
Min Rate At Change	3%
Max Rate At Change	9%
Index	10-Year TN
Max Rate	12%

November 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 3, 2017
Property Address	604-608 SOTO ST # 608, 608, MARTINEZ, CA 94553
Document Number	0000207928
Instrument Date	Oct 24, 2017
Instrument	2017-207928
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	604 SOTO ST # 608, 608, MARTINEZ, CA 94553-2640

Mortgage

Document Number	0000207929
Date	Nov 3, 2017
Instrument	2017-207929

Lender

Name	LAND-HOME FINANCIAL SERVICES
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2047

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		$870,189 (+2%) Land $657,948 Building $212,241
2025	$11,584.00 (+385.91%)	$853,128 (+1,094.04%) Land $645,048 Building $208,080
2023	$2,384.00 (-2.05%)	$71,449 (+2%) Land $19,775 Building $51,674
2022	$2,434.00	$70,049 Land $19,388 Building $50,661

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 AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 109 policies
Nearby Flood Policies	109 in force
Nearby Flood Claims	32 (1980–2019)
Claims Outside the SFHA	3 of 32
Most Recent Claim	Feb 2019
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 claims

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	Low lower than 64% of the US · lower than 78% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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