4225 Arthur Rd is a 1,180 square foot house on a 10,019 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on June 25, 1987 for $106,000. Based on Redfin's Martinez data, we estimate the home's value is $614,830.
Single-familyProperty Type
1945Year Built
10,019 sq ftLot Size
$521Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$614,830
$509K since sold in June 1987$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.5% lower than the average sale price ($737K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 26, 2019 • Final
Building - residential mechanical
Replace the air conditioning unit, coil, and furnace with a 14 SEER and 80 AFUE rated system.
HVAC
Aug 18, 2014 • Final
Building/residential/al/alteration
Remodel a master bathroom.
Bathroom
Remodel
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
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Bungalow
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Subdivision Name: LAS JUNTAS RHO
Living Sq. Ft: 1,180
Ground Floor Sq. Ft: 1,180
Building Sq. Ft: 1,180
# of Stories: 1
Legal Description: POR RO LAS JUNTAS
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 237
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,019
Acres: 0.23
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,180
Stories: 1.0
Lot Size: 10,019 square feet
Style: Single Family Residential
Year Built: 1945
Year Renovated: 1950
County: Contra Costa County
APN: 3801200373
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Las Juntas Elementary School
Public K-5 • Assigned • 0.5mi
5/10
Martinez Junior High School
Public 6-8 • Assigned • 2.3mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 2.5mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 98° expected this year, 14 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)
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43
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77
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80
56
87
59
84
59
78
56
64
49
56
46
Jan
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Sun exposure
In this area, properties receive around 11.8 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$585,000 – $708,000
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