258 Explorer Way is a 2,271 square foot house on a 7,541 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Martinez data, we estimate the home's value is $1,060,473.
Single-familyProperty Type
2004Year Built
7,541 sq ftLot Size
$467Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,060,473
$4,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.1% higher than the average sale price ($938K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40316769
Nov 24, 2008
Listing Removed
—
Aug 24, 2008
Price Changed
*
Apr 7, 2008
Price Changed
*
Jan 7, 2008
Listed
*
Year
Property tax
Land + Additions
Assessment*
2025
$12,389 (+4.7%)
$405,200 + $562,185
$967,385
2024
$11,837 (+2.1%)
$397,255 + $551,162
$948,417
2023
$11,591 (+2.4%)
$389,466 + $540,355
$929,821
2022
$11,320 (+12.3%)
$381,830 + $529,760
$911,590
2021
$10,083 (+1.3%)
$374,344 + $519,373
$893,717
2020
$9,956 (+6.4%)
$331,529 + $459,971
$791,500
2019
$9,360 (+11.8%)
$327,759 + $454,741
$782,500
2018
$8,371 (+4.3%)
$305,769 + $424,231
$730,000
2017
$8,027 (+5.5%)
$263,046 + $364,954
$628,000
2016
$7,609 (+3.5%)
$263,046 + $364,954
$628,000
2015
$7,353 (+6.3%)
$263,046 + $364,954
$628,000
2014
$6,916 (+53.5%)
$234,000 + $323,500
$557,500
2013
$4,507 (+1.4%)
$234,000 + $323,500
$557,500
2012
$4,445 (−18.2%)
$142,204 + $197,296
$339,500
2011
$5,432 (−3.8%)
$142,204 + $197,296
$339,500
2010
$5,649 (+4.8%)
$179,693 + $249,307
$429,000
2009
$5,390 (−24.5%)
$188,071 + $260,929
$449,000
2008
$7,136
$178,018 + $246,982
$425,000
Tax history for 258 Explorer Way
Year
Property tax
Land + Additions
Assessment*
2025
$12,389 (+4.7%)
$405,200 + $562,185
$967,385
2024
$11,837 (+2.1%)
$397,255 + $551,162
$948,417
2023
$11,591 (+2.4%)
$389,466 + $540,355
$929,821
2022
$11,320 (+12.3%)
$381,830 + $529,760
$911,590
2021
$10,083 (+1.3%)
$374,344 + $519,373
$893,717
2020
$9,956 (+6.4%)
$331,529 + $459,971
$791,500
2019
$9,360 (+11.8%)
$327,759 + $454,741
$782,500
2018
$8,371 (+4.3%)
$305,769 + $424,231
$730,000
2017
$8,027 (+5.5%)
$263,046 + $364,954
$628,000
2016
$7,609 (+3.5%)
$263,046 + $364,954
$628,000
2015
$7,353 (+6.3%)
$263,046 + $364,954
$628,000
2014
$6,916 (+53.5%)
$234,000 + $323,500
$557,500
2013
$4,507 (+1.4%)
$234,000 + $323,500
$557,500
2012
$4,445 (−18.2%)
$142,204 + $197,296
$339,500
2011
$5,432 (−3.8%)
$142,204 + $197,296
$339,500
2010
$5,649 (+4.8%)
$179,693 + $249,307
$429,000
2009
$5,390 (−24.5%)
$188,071 + $260,929
$449,000
2008
$7,136
$178,018 + $246,982
$425,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 22, 2023 • Final
Building/residential/al/alteration
Remove and replace windows with retrofit windows.
Remodel
Sep 28, 2005 • Final
Building/residential/so/solar
Install roof-mounted solar panels for a pool according to the plans.
Electrical
Solar
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: 9
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 8738
Living Sq. Ft: 2,271
Ground Floor Sq. Ft: 1,061
Building Sq. Ft: 2,271
# of Stories: 2
Legal Description: T8738 L9
Parking & Garage Information
Garage/Parking Sq. Ft: 486
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,541
Legal Lot Number: 9
Acres: 0.1731
Zoning Code: R-7
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,271
Stories: 2.0
Lot Size: 7,541 square feet
Style: Single Family Residential
Year Built: 2004
Year Renovated: 2005
County: Contra Costa County
APN: 1591700446
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Las Juntas Elementary School
Public K-5 • Assigned • 0.9mi
5/10
Martinez Junior High School
Public 6-8 • Assigned • 3.0mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 3.0mi
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
3/10 Fire Factor
0.46% 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
$1.01M – $1.22M
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