4640 Blum Rd is a 1,338 square foot house on a 0.37 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on January 13, 1971 for $26,000. Based on Redfin's Martinez data, we estimate the home's value is $699,650.
Single-familyProperty Type
1963Year Built
0.37 acresLot Size
$523Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$699,650
$674K since sold in January 1971$17K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.3% lower than the average sale price ($780K) 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 re-roof
Install new fiberglass roofing.
Roofing
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
Living Sq. Ft: 1,338
Ground Floor Sq. Ft: 1,338
Building Sq. Ft: 1,338
# of Stories: 1
Legal Description: RECORD OF SURVEY 23 PG 18 PCL 2
Parking & Garage Information
Garage/Parking Sq. Ft: 483
Lot Information
# of Buildings: 1
Land Sq. Ft: 16,117
Acres: 0.37
Zoning Code: R-7
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.75
Sq. Ft.: 1,338
Stories: 1.0
Parking Spaces: 0
Basement: No
Accessible: No
Lot Size: 0.37 acres
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Contra Costa County
APN: 1591800238
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on Sep 30, 2024
Around this home
Schools
Las Juntas Elementary School
Public K-5 • Assigned • 1.0mi
5/10
Martinez Junior High School
Public 6-8 • Assigned • 3.1mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 3.2mi
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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49
77
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80
56
87
59
84
59
78
56
64
49
56
46
Jan
Feb
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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
$665,000 – $805,000
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