1900 Mayette Ave, Concord, CA 94520 Property Records

Contra Costa County property record for 1900 Mayette Ave, Concord, CA 94520

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,192 sqft · built 1957
Lot Size	0.131 acres (5,700 sqft)
Owner	Company Name on File
Last Sale	$257,000 (Oct 2012)
Tax Bill	$4,504 (2025)
Deeds & Mortgages	Jun 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`128-081-009-2`

Property Details

APN / Parcel Number

Primary APN	`128-081-009-2`
Alternative APN	`128-081-009`

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 1957
Effective Year Built	Effective 1957
Lot Area	5,700 sqft (0.131 acres)
Garage Type	Attached
Garage Area	456 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1900 MAYETTE AVE
City	CONCORD
State	CA
Zip	94520-3959
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	TRACT 2365 318
Legal Subdivision	SUNSHINE ESTATES UNIT #8
Legal Tract	2365
Legal Lot Number	318
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 · APN 128-081-009-2

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	Company Name on File
Mailing Address	5424 SUNOL BLVD, 10, PLEASANTON, CA 94566-7705
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 31, 2012 · Amount on Record
Deed Sale	Oct 31, 2012 · Amount on Record
Prior Sale	Oct 23, 2008 · Amount on Record
Deed Document Number	2012275841
Prior Transfer Date	Sep 02, 2005
Prior Transfer Doc	0000352037
Record Updated	Sep 20, 2026

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 20, 2017
Property Address	1900 MAYETTE AVE, CONCORD, CA 94520-3959
Document Number	0000109930
Instrument Date	Jun 20, 2017
Instrument	109930
Transaction Type	Transfer
Record Updated	Jun 30, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5424 SUNOL BLVD #10-169 PLEASANTON CA 945667705, 10-169, PLEASANTON, CA 94566-7705

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	Concord City
Unified School District	Mount Diablo 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		$322,794 (+2%) Land $157,000 Building $165,794
2025	$4,504.00 (+5.18%)	$316,466 (+4.04%) Land $153,922 Building $162,544
2023	$4,282.00 (+1.71%)	$304,179 Land $147,946 Building $156,233
2022	$4,210.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land 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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 609 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.