415 Richardson St, Martinez, CA 94553 Property Records

Contra Costa County property record for 415 Richardson St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,652 sqft · built 2017
Lot Size	0.104 acres (4,539 sqft)
Owner	2 Individual Names on File
Last Sale	$140,000 (May 2016)
Tax Bill	$7,324 (2025)
Flood Zone	Zone X (minimal risk)
APN	`373-231-001`

Property Details

APN / Parcel Number

Primary APN	`373-231-001`
Alternative APN	`373-231-001-0`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,652 sqft Living Area
1st Floor Area	1,652 sqft

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2019
Lot Area	4,539 sqft (0.104 acres)
Garage Type	Attached
Garage Area	479 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	415 RICHARDSON ST
City	MARTINEZ
State	CA
Zip	94553-1043
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	ORIGINAL SURVEY POR LOTS 3 & 4 BLK 8
Legal Subdivision	MARTINEZ
Legal Block	8
Legal Lot Number	3,4
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1025
Census Tract	316000

Owner

415 Richardson St is owned by two individuals who bought it in May 2016.

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

Owner of Record	2 Individual Names on File
Mailing Address	5020 SHAPLEIGH CT, DUBLIN, CA 94568-7205
Owner Type	Individual
Vesting	Joint Tenants

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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 17, 2016 · Amount on File
Deed Sale	May 17, 2016 · Amount on File
Prior Sale	Dec 6, 2013 · Amount on File
Deed Document Number	201693215
Prior Transfer Date	Dec 10, 1997
Prior Transfer Doc	0000246861
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 415 Richardson St was $7,324.

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		$510,201 (+2%) Land $169,042 Building $341,159
2025	$7,324.00	$500,198 Land $165,728 Building $334,470
2023	$6,960.00 (+0.46%)	$480,777 Land $159,294 Building $321,483
2022	$6,928.00

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

Flood

FEMA maps place 415 Richardson St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 42 policies
Nearby Flood Policies	42 in force
Nearby Flood Claims	20 (1982–2017)
Claims Outside the SFHA	4 of 20
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 3 claims Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 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

Wildfire risk around 415 Richardson St is moderate, ranking above 58% of the US, with a 0.1% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 58% of the US · lower than 65% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within 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 371 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Astound Broadband Fiber · Cable in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile Fixed Wireless	100 / 20