1821 Mayette Ave, Concord, CA 94520, USA

Property CA
, , , , , , , , , , ,
1

Property Overview:

1821 Mayette Ave is a single-family home in Concord, CA, built in 1949. It features 3 bedrooms, 2 bathrooms, and 1,173 sq. ft. of living space. The home includes a parking garage and sits on a 9,375 sq. ft. lot. The estimated home value is $562,200.

Neighborhood Highlights:

  • Crime Rate:

    • Personal crime risk: 8.2% (lower than state average of 11.8%).
    • Property crime risk: 9.7% (lower than state average of 10.8%).

  • Schools:
    Nearby schools include Cambridge Elementary, Valley View Middle, and Diablo Community Day.

    • Average SAT score: 1,134 (569 Math, 565 English)—higher than state average of 975.
    • Located within the Mt. Diablo Unified School District.

  • Job Market:

    • 51.8% white-collar jobs, 48.2% blue-collar jobs.
    • Unemployment rate: 4.1% (lower than state average of 4.7%).

  • Demographics:

    • Community population: 32,533 (9.6% growth since 2000).
    • 59.5% families with children.
    • Largest age group: 25-34 years (20.31%); second largest: 35-44 years (14.65%).

  • Natural Disaster Risk:

    • Low flood risk, low tornado risk, high earthquake risk.

  • Weather:

    • Average temperature: 42.6°F (January), 72.6°F (July).
    • Average rainfall: 24.8 inches/year.
    • Average snowfall: 0 inches/year.

  • Cost of Living:

    • Median household income: $48,927.
    • Average annual spending: $42,276.

Property Features:

  • Beautifully remodeled with new kitchen appliances, counters, bathrooms, lighting, flooring, paint, and doors.
  • Large dining area and great room with an efficient, functional floor plan.
  • Huge family room and beautiful tile floor in the living room.
  • Oak kitchen cabinets and gutter protectors for low-maintenance living.
  • Central air conditioning and central forced air gas heating for year-round comfort.
  • Laundry area for added convenience.
  • Large backyard with separate free-standing storage—ideal for relaxation, gardening, or expansion.
  • Several remodeled and newer homes in the area.

Location Benefits:

  • Highly convenient area—minutes from top schools, shopping, dining, and major highways.
  • Commuter-friendly with easy access to local amenities.
  • Perfect for family living, entertaining, and outdoor activities.
  • Safe, growing community with access to local educational resources.
2

Price and Status History

date type price
1986-10-28 Sold 95000
1991-06-27 Sold 41000
1991-10-30 Sold 130000
1998-03-06 For Sale 133000
1998-03-28 Sold 129000
1998-05-13 Sold 129000
2002-03-23 For Sale 259950
2002-03-24 Delisted NaN
2002-04-23 Sold 255000
2002-04-24 Sold 255000
2010-07-08 For Sale 171000
2010-07-26 Pending NaN
2010-08-24 Sold 165000
2011-01-13 For Sale 239775
2011-01-18 Pending NaN
2011-02-09 Off Market 240000
2011-02-10 Sold 240000
2025-03-11 Pending 695000
2025-03-14 For Sale NaN
2025-04-02 For Sale 648000
2025-04-04 Pending NaN
2025-04-05 Pending 648000
2025-05-05 Sold 660000
3

Superfund Enterprise Management System

SITE NAME ADDRESS FEDERAL FACILITY NPL STATUS NON-NPL STATUS CONTAMINANTS SEMS EPA ID DISTANCE (MILES)
J SPRAY CORP 2710 Monument Court, Concord, CA 94520-3144, USA N N NF 0 CAD050676774 0.96

Toxic Release Inventory

FACILITY NAME ADDRESS TOTAL FORMS LAST FORM YEAR RISK SCREENING FACILITY ID DISTANCE (MILES)
ADL CIRCUITS INC 1081 Shary Circle, Concord, CA 94518-2407, USA 1 1987 N/A 94518DLCRC1081S 0.97

Integrated Compliance Information System - Air

PLANT NAME ADDRESS OPERATING STATUS DISTANCE (MILES)
MADSEN’S AUTO AIR 1132 Meadow Lane, Concord, CA 94520-3706, USA OPR: Operating 0.53
HOGANS 1500 Contra Costa Boulevard, Concord, CA 94523-3035, USA OPR: Operating 0.75
COSTCO 2400 Monument Boulevard, Concord, CA 94520-3105, USA OPR: Operating 0.78
4

Flood Risk Info

fld_zone very high impact: up to 0.0001 miles high impact: up to 0.2 miles moderate impact: up to 0.5 miles low-moderate impact: up to 1.5 miles
A 0 0 1 7
AE 0 0 0 4
AH 0 0 0 2
AO 0 0 0 0
VE 0 0 0 0

Flood Zone Type

code meaning
A 1% annual chance flood zone determined using approximate methods. No BFEs shown. Flood insurance and management standards apply.
AE 1% annual chance flood zone determined by detailed methods. BFEs shown. Insurance and floodplain management required.
AH Shallow flooding (ponding) zones with depths between 1-3 feet. BFEs shown. Insurance and management required.
AO Shallow flooding (sheet flow) zones with depths 1-3 feet. BFEs or average depths shown. High-velocity areas may exist.
VE Coastal 1% annual chance flood zone with wave action. BFEs shown. Insurance and management required.

Earthquake Risk Info

zone_name quad_name very high impact: up to 0.0001 miles high impact: up to 2.0 miles moderate impact: up to 10.0 miles
Concord/Green Valley Clayton 0 0 1
Concord/Green Valley Vine Hill 0 0 1
Concord/Green Valley Walnut Creek 0 1 1

Landslide Risk Info

lscat very high impact: up to 0.0001 miles high impact: up to 0.04 miles moderate impact: up to 0.1 miles low-moderate impact: up to 0.2 miles
8 0 0 0 0

Liquefaction Risk Info

Suscept very high impact: up to 0.0001 miles high impact: up to 0.05 miles moderate impact: up to 0.5 miles low-moderate impact: up to 1.0 miles
High 0 0 0 0
Very high 0 0 0 1

Wild fire Risk Info

haz_class very high impact: up to 0.0001 miles high impact: up to 0.5 miles moderate impact: up to 1.5 miles low-moderate impact: up to 3.0 miles
High 0 0 0 0
Very High 0 0 0 0
5

Traffic Noise by Hour x Weekday

Not enough data points

6

Airplane Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 2 2 1 1 1 2 1
1 1 1 1 1 1 1 1
2 1 1 1 1 1 1 1
3 1 1 1 1 1 0 1
4 1 1 1 0 1 1 1
5 1 1 1 1 1 1 1
6 1 1 2 2 2 1 1
7 2 2 3 2 2 2 1
8 3 4 3 2 3 2 2
9 3 4 4 3 4 5 3
10 5 3 5 5 4 5 5
11 5 5 5 4 5 6 6
12 4 6 4 5 5 3 4
13 6 6 6 6 5 5 6
14 4 5 4 6 5 5 6
15 3 4 5 4 5 3 3
16 2 5 3 5 3 4 3
17 3 5 5 4 4 3 3
18 2 3 2 4 2 3 2
19 2 4 3 3 2 1 2
20 2 2 2 1 2 1 2
21 1 2 1 1 2 1 2
22 1 2 2 1 1 2 1
23 2 2 2 2 3 1 1