2280 Franklin Canyon Rd is a 2,419 square foot house on a 1 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on June 28, 1991 for $432,500. Based on Redfin's Martinez data, we estimate the home's value is $1,108,238.
Single-familyProperty Type
1977Year Built
1 acresLot Size
$458Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,108,238
$676K since sold in June 1991$1,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.2% higher than the average sale price ($1.05M) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 1, 2021 • Final
Building - residential electrical
Install backup batteries.
Battery
Electrical
May 26, 2020 • Final
Building - residential electrical
Install backup batteries.
Battery
Electrical
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Room Information
# of Rooms: 9
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,419
Ground Floor Sq. Ft: 2,419
Building Sq. Ft: 2,419
# of Stories: 1
Legal Description: PARCEL MAP 19 PG 40 PCL B
Parking & Garage Information
Garage/Parking Sq. Ft: 490
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Acres: 1
Zoning Code: A-2
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,419
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1978
County: Contra Costa County
APN: 3700100278
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
John Swett Elementary School
Public K-5 • Assigned • 1.6mi
8/10
Martinez Junior High School
Public 6-8 • Assigned • 1.5mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 0.9mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
5/10 Fire Factor
5% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
13 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Martinez, CA • 94553
Average low and high temperatures (°F)
60
43
62
45
70
49
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49
77
53
80
55
83
57
87
59
83
61
78
56
64
49
56
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.05M – $1.27M
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