4654 Blum Rd is a 2,023 square foot house on a 0.26 acre lot with 5 bedrooms and 3 bathrooms. Based on Redfin's Martinez data, we estimate the home's value is $854,951.
Single-familyProperty Type
1991Year Built
0.26 acresLot Size
$423Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$854,951
$10K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.4% lower than the average sale price ($1.01M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,260 (+4.3%)
$13,116 + $268,334
$281,450
2024
$4,083 (+3.2%)
$12,859 + $263,073
$275,932
2023
$3,955 (+3.3%)
$12,607 + $257,915
$270,522
2022
$3,828 (+3.5%)
$12,360 + $252,858
$265,218
2021
$3,698 (+2.2%)
$12,118 + $247,900
$260,018
2020
$3,618 (+2.6%)
$11,881 + $243,040
$254,921
2019
$3,525 (+4.6%)
$11,760 + $240,548
$252,308
2018
$3,369 (+1.5%)
$11,530 + $235,832
$247,362
2017
$3,318 (+7.3%)
$11,083 + $226,675
$237,758
2016
$3,092 (+0.9%)
$11,083 + $226,675
$237,758
2015
$3,064 (+1.5%)
$10,866 + $222,231
$233,097
2014
$3,020 (+0.8%)
$10,494 + $214,606
$225,100
2013
$2,997 (+3.1%)
$10,494 + $214,606
$225,100
2012
$2,908 (+1.3%)
$10,447 + $213,637
$224,084
2011
$2,872 (+0.5%)
$10,243 + $209,449
$219,692
2010
$2,856 (−0.2%)
$10,043 + $205,343
$215,386
2009
$2,861 (+4.0%)
$9,968 + $203,809
$213,777
2008
$2,750
$9,992 + $204,294
$214,286
Tax history for 4654 Blum Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,260 (+4.3%)
$13,116 + $268,334
$281,450
2024
$4,083 (+3.2%)
$12,859 + $263,073
$275,932
2023
$3,955 (+3.3%)
$12,607 + $257,915
$270,522
2022
$3,828 (+3.5%)
$12,360 + $252,858
$265,218
2021
$3,698 (+2.2%)
$12,118 + $247,900
$260,018
2020
$3,618 (+2.6%)
$11,881 + $243,040
$254,921
2019
$3,525 (+4.6%)
$11,760 + $240,548
$252,308
2018
$3,369 (+1.5%)
$11,530 + $235,832
$247,362
2017
$3,318 (+7.3%)
$11,083 + $226,675
$237,758
2016
$3,092 (+0.9%)
$11,083 + $226,675
$237,758
2015
$3,064 (+1.5%)
$10,866 + $222,231
$233,097
2014
$3,020 (+0.8%)
$10,494 + $214,606
$225,100
2013
$2,997 (+3.1%)
$10,494 + $214,606
$225,100
2012
$2,908 (+1.3%)
$10,447 + $213,637
$224,084
2011
$2,872 (+0.5%)
$10,243 + $209,449
$219,692
2010
$2,856 (−0.2%)
$10,043 + $205,343
$215,386
2009
$2,861 (+4.0%)
$9,968 + $203,809
$213,777
2008
$2,750
$9,992 + $204,294
$214,286
*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/r/new single family-duplex
Construct a new single-family home with an attached garage and a deck.
New construction
Jan 30, 2010 • Final
Building/residential/sp/spa
Work on a spa.
Pool and hot tub
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: 10
Exterior
Property Information
Living Sq. Ft: 2,023
Ground Floor Sq. Ft: 1,003
Building Sq. Ft: 2,023
# of Stories: 2
Legal Description: PCL MAP 139 PG 22 PCL C
Parking & Garage Information
Garage/Parking Sq. Ft: 517
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,326
Acres: 0.26
Zoning Code: R-7
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,023
Stories: 2.0
Lot Size: 0.26 acres
Style: Single Family Residential
Year Built: 1991
Year Renovated: 1991
County: Contra Costa County
APN: 1591800295
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Las Juntas Elementary School
Public K-5 • Assigned • 1.1mi
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)
60
43
62
45
70
49
70
49
77
53
80
55
80
56
87
59
84
59
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 11.8 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
$813,000 – $984,000
Reach more buyers when you sell with Redfin. Save up to $8,550 in fees.3 minutes to get started.