411 C St, Martinez, CA 94553 Property Records

Contra Costa County property record for 411 C St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 851 sqft · built 1938
Lot Size	0.103 acres (4,500 sqft)
Owner	Individual Name on File
Last Sale	$350,000 (Jan 2017)
Tax Bill	$5,646 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Jan 2017 Transfer + 3 more
Flood Zone	Zone AO (high risk)
APN	`372-191-004-4`

Property Details

APN / Parcel Number

Primary APN	`372-191-004-4`
Alternative APN	`372-191-004`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	851 sqft Living Area
1st Floor Area	851 sqft

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1950
Lot Area	4,500 sqft (0.103 acres)
Garage Type	Attached
Garage Area	390 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	411 C ST
City	MARTINEZ
State	CA
Zip	94553-3103
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	ORIGINAL SURVEY POR 92
Legal Subdivision	MARTINEZ
Legal Block	92
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2015
Census Tract	318000

Owner

Source: Contra Costa County records · APN 372-191-004-4

Assessment roll updated July 14, 2026 · Last verified July 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	411 C ST, MARTINEZ, CA 94553-3103
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Date	Document
Jun 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC
Jan 11, 2017	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Jan 11, 2017	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY
Jan 11, 2017	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Jan 11, 2017	Quit Claim Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 11, 2017 · Amount on Record
Deed Sale	Jan 11, 2017 · Amount on Record
Prior Sale	Apr 28, 2011 · Amount on Record
Deed Document Number	20176264
Prior Transfer Date	Jan 09, 2017
Prior Transfer Doc	0000006261
Record Updated	Sep 20, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	411 C ST, MARTINEZ, CA 94553-3103
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	411 C ST, MARTINEZ, CA 94553-3103

Mortgage

Document Number	0000185210
Date	Jun 28, 2021
Instrument	2021-185210

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company
Address	FOLSOM, CA 95630

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Jul 01, 2036

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2017
Property Address	411 C ST, MARTINEZ, CA 94553-3103
Document Number	0000006261
Instrument Date	Jan 09, 2017
Instrument	6261
Transaction Type	Transfer
Record Updated	Jan 18, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	411 C ST MARTINEZ CA 945533103, MARTINEZ, CA 94553-3103

January 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2017
Property Address	411 C ST, MARTINEZ, CA 94553-3103
Document Number	0000006264
Instrument Date	Jan 04, 2017
Instrument	2017-006264
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
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	411 C ST, MARTINEZ, CA 94553-3103
Investor	Possibly a Property Investor

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2017
Property Address	411 C ST, MARTINEZ, CA 94553-3103
Document Number	0000006262
Instrument Date	Dec 22, 2016
Instrument	6262
Transaction Type	Transfer
Record Updated	Jan 18, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2017
Property Address	411 C ST, MARTINEZ, CA 94553-3103
Document Number	0000006263
Instrument Date	Dec 22, 2016
Instrument	6263
Transaction Type	Transfer
Record Updated	Jan 18, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4730 CONCORDIA DR EL DORADO HILLS CA 957625689, EL DORADO HILLS, CA 95762-5689

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$414,324 (+2%) Land $295,947 Building $118,377
2025	$5,646.00 (+6.53%) Homeowner's exemption	$406,201 (+4.04%) Land $290,145 Building $116,056
2023	$5,300.00 (+1.63%) Homeowner's exemption	$390,429 Land $278,879 Building $111,550
2022	$5,215.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133180002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AO sheet flow 1–3 ft
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required (federally backed mortgages)
Nearby Flood Policies	3 in force
Nearby Flood Claims	5 (1982–2017)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Jan 2017, rainfall accumulation, Severe Winter Storms, Flooding, And Mudslides

Wildfire

Wildfire Risk	Moderate above 60% of the US · above 36% of California
Wildfire Likelihood	About 1 in 610 per year
Exposure	Indirect within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 358 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Radiate Holdings	Fiber	1,500 / 1,500
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20

May also be available at this address: AT&T, Unwired, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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