4263 Arthur Rd is a 858 square foot house on a 0.51 acre lot with 3 bedrooms and 1 bathroom. - it last sold on October 14, 2005 for $385,000. Based on Redfin's Martinez data, we estimate the home's value is $618,184.
Single-familyProperty Type
1941Year Built
0.51 acresLot Size
$720Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$618,184
$233K since sold in October 2005$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.1% higher than the average sale price ($605K) 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
Jan 30, 2010 • Final
Building - residential electrical
Perform a service change on the electrical system.
Electrical
Apr 8, 2009 • Final
Building/residential/al/alteration
Replace windows, convert a door into a window, and remove stairs and a landing. Renovate the interior with new sheetrock, kitchen cabinets, appliances, a shower enclosure, and a new furnace. Perform plumbing and electrical work, including replacing drains and installing ground fault circuit interrupter outlets.
Electrical
Kitchen
Plumbing
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
Room Information
# of Rooms: 6
Exterior
Property Information
Subdivision Name: LAS JUNTAS RHO
Living Sq. Ft: 858
Ground Floor Sq. Ft: 858
Building Sq. Ft: 858
# of Stories: 1
Legal Description: POR RO LAS JUNTAS
Parking & Garage Information
Garage/Parking Sq. Ft: 171
Lot Information
# of Buildings: 1
Land Sq. Ft: 22,216
Acres: 0.51
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 858
Stories: 1.0
Lot Size: 0.51 acres
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1941
County: Contra Costa County
APN: 3801200324
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
1/10 Fire Factor
Unlikely to be 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)
60
43
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45
70
49
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49
77
53
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80
56
87
59
84
59
78
56
64
49
56
46
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Oct
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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
$588,000 – $711,000
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