1870 Mayette Ave, Concord, CA 94520 Property Records

Contra Costa County property record for 1870 Mayette Ave, Concord, CA 94520

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,192 sqft · built 1958
Lot Size	0.131 acres (5,700 sqft)
Owner	Company Name on Record
Last Sale	$261,000 (Feb 2001)
Tax Bill	$5,274 (2025)
Deeds & Mortgages	May 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`128-081-006-8`

Property Details

APN / Parcel Number

Primary APN	`128-081-006-8`
Alternative APN	`128-081-006`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,192 sqft Living Area
1st Floor Area	1,192 sqft

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1958
Lot Area	5,700 sqft (0.131 acres)
Garage Type	Attached
Garage Area	456 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1870 MAYETTE AVE
City	CONCORD
State	CA
Zip	94520-3923
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	TRACT 2384 LOT 321
Legal Subdivision	SUNSHINE ESTATES UNIT #9
Legal Tract	2384
Legal Lot Number	321
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1013
Census Tract	336201

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	1870 MAYETTE AVE, CONCORD, CA 94520-3923
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 7, 2001 · Amount on Record
Deed Sale	Feb 7, 2001 · Amount on Record
Prior Sale	Jun 18, 1999 · Amount on Record
Deed Document Number	200128578
Prior Transfer Date	Dec 14, 1995
Prior Transfer Doc	0000217512
Record Updated	Oct 29, 2026

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 16, 2023
Property Address	1870 MAYETTE AVE, CONCORD, CA 94520-3923
Document Number	0000046295
Map Reference	MB 64 PG 14
Instrument Date	May 11, 2023
Instrument	2023-046295
Transaction Type	Transfer
Record Updated	May 25, 2023

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	Revocable Living Trust
Address	1870 MAYETTE AVE, CONCORD, CA 94520-3923
Investor	Possibly a Property Investor

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	Concord City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$401,126 (+2%) Land $199,795 Building $201,331
2025	$5,274.00 (+5.04%) Homeowner's exemption	$393,262 (+4.04%) Land $195,878 Building $197,384
2023	$5,021.00 (+1.62%) Homeowner's exemption	$377,993 Land $188,273 Building $189,720
2022	$4,941.00

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 Claims	1 (1982)
Most Recent Claim	Jan 1982 · Severe Storms, Flood, Mudslides & High Tide

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	Not rated no burnable land 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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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 269 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20