2984 Upton Rd is a 2,658 square foot house on a 1.34 acre lot with 5 bedrooms and 2 bathrooms. Based on Redfin's Martinez data, we estimate the home's value is $957,525.
Single-familyProperty Type
1956Year Built
1.34 acresLot Size
$360Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$957,525
$9,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.7% higher than the average sale price ($950K) of 5 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
$5,396 (−0.8%)
$235,146 + $140,059
$375,205
2024
$5,441 (+2.9%)
$230,536 + $137,313
$367,849
2023
$5,288 (+22.3%)
$226,016 + $158,142
$384,158
2022
$4,324 (+3.1%)
$221,585 + $155,042
$376,627
2021
$4,196 (+1.1%)
$217,241 + $152,002
$369,243
2020
$4,152 (+1.3%)
$212,982 + $149,022
$362,004
2019
$4,100 (+2.4%)
$210,799 + $147,494
$358,293
2018
$4,003 (+1.1%)
$206,666 + $144,602
$351,268
2017
$3,958 (+7.7%)
$198,642 + $138,988
$337,630
2016
$3,675 (+0.6%)
$198,642 + $138,988
$337,630
2015
$3,654 (+1.2%)
$194,748 + $136,263
$331,011
2014
$3,610 (+0.5%)
$188,066 + $131,588
$319,654
2013
$3,594 (+1.7%)
$188,066 + $131,588
$319,654
2012
$3,534 (+1.5%)
$187,217 + $130,994
$318,211
2011
$3,481 (+0.6%)
$183,547 + $128,426
$311,973
2010
$3,459 (+0.9%)
$179,949 + $125,908
$305,857
2009
$3,428 (+5.8%)
$178,605 + $124,967
$303,572
2008
$3,241
$179,030 + $125,264
$304,294
Tax history for 2984 Upton Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,396 (−0.8%)
$235,146 + $140,059
$375,205
2024
$5,441 (+2.9%)
$230,536 + $137,313
$367,849
2023
$5,288 (+22.3%)
$226,016 + $158,142
$384,158
2022
$4,324 (+3.1%)
$221,585 + $155,042
$376,627
2021
$4,196 (+1.1%)
$217,241 + $152,002
$369,243
2020
$4,152 (+1.3%)
$212,982 + $149,022
$362,004
2019
$4,100 (+2.4%)
$210,799 + $147,494
$358,293
2018
$4,003 (+1.1%)
$206,666 + $144,602
$351,268
2017
$3,958 (+7.7%)
$198,642 + $138,988
$337,630
2016
$3,675 (+0.6%)
$198,642 + $138,988
$337,630
2015
$3,654 (+1.2%)
$194,748 + $136,263
$331,011
2014
$3,610 (+0.5%)
$188,066 + $131,588
$319,654
2013
$3,594 (+1.7%)
$188,066 + $131,588
$319,654
2012
$3,534 (+1.5%)
$187,217 + $130,994
$318,211
2011
$3,481 (+0.6%)
$183,547 + $128,426
$311,973
2010
$3,459 (+0.9%)
$179,949 + $125,908
$305,857
2009
$3,428 (+5.8%)
$178,605 + $124,967
$303,572
2008
$3,241
$179,030 + $125,264
$304,294
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RR-40
One Family Rural Residential District
Promote the stability of existing residential neighborhoods of a generally rural nature, which are unique within the community; Avoid the overloading of existing streets and utilities by preventing the construction of buildings of excessive size and population density in relation to the land around them.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Agriculture-Other
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Property details
Interior
Room Information
# of Rooms: 9
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: MUIR OAKS
Living Sq. Ft: 2,658
Ground Floor Sq. Ft: 1,794
Building Sq. Ft: 2,658
# of Stories: 2
Legal Description: MUIR OAKS POR LOTS 26 & 27
Parking & Garage Information
Garage/Parking Sq. Ft: 484
Lot Information
# of Buildings: 1
Land Sq. Ft: 58,370
Legal Lot Number: 26
Acres: 1.34
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 2.0
Sq. Ft.: 2,658
Stories: 2.0
Lot Size: 1.34 acres
Style: Single Family Residential
Year Built: 1956
Year Renovated: 1956
County: Contra Costa County
APN: 1621420056
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
John Swett Elementary School
Public K-5 • Assigned • 0.6mi
8/10
Martinez Junior High School
Public 6-8 • Assigned • 1.9mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 1.3mi
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
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 97° 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
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
$910,000 – $1.10M
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