646 School St is a 1,483 square foot house on a 6,405 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on February 22, 2022 for $557,000. Based on Redfin's Pittsburg data, we estimate the home's value is $528,276.
Single-familyProperty Type
1956Year Built
6,405 sq ftLot Size
$356Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$528,276
$29K since sold in February 2022$7,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.3% higher than the average sale price ($402K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40405264
Jul 16, 2009
Listing Removed
—
Public Records
Jun 29, 2004
Sold
$295,000
$199/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40009945
Jun 6, 2004
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$6,959 (−1.3%)
$328,816 + $226,184
$555,000
2025
$7,050 (+10.9%)
$328,816 + $226,184
$555,000
2024
$6,356 (−1.8%)
$330,000 + $225,000
$555,000
2023
$6,475 (+22.5%)
$303,932 + $209,068
$513,000
2022
$5,287 (−0.1%)
$304,000 + $209,000
$513,000
2021
$5,293 (+4.1%)
$160,829 + $230,952
$391,781
2020
$5,087 (+2.5%)
$157,676 + $226,424
$384,100
2019
$4,962 (+3.9%)
$156,060 + $216,403
$372,463
2018
$4,776 (+126.7%)
$153,000 + $212,160
$365,160
2017
$2,106 (+9.8%)
$38,925 + $94,536
$133,461
2016
$1,919 (−5.5%)
$38,925 + $94,536
$133,461
2015
$2,030 (+3.5%)
$38,162 + $92,683
$130,845
2014
$1,961 (+29.1%)
$36,853 + $89,503
$126,356
2013
$1,519 (+8.3%)
$36,853 + $89,503
$126,356
2012
$1,402 (−7.8%)
$26,833 + $65,167
$92,000
2011
$1,521 (−11.1%)
$24,500 + $59,500
$84,000
2010
$1,711 (+8.5%)
$28,000 + $68,000
$96,000
2009
$1,578 (−41.9%)
$35,000 + $85,000
$120,000
2008
$2,714
$54,238 + $45,762
$100,000
Tax history for 646 School St
Year
Property tax
Land + Additions
Assessment*
2026
$6,959 (−1.3%)
$328,816 + $226,184
$555,000
2025
$7,050 (+10.9%)
$328,816 + $226,184
$555,000
2024
$6,356 (−1.8%)
$330,000 + $225,000
$555,000
2023
$6,475 (+22.5%)
$303,932 + $209,068
$513,000
2022
$5,287 (−0.1%)
$304,000 + $209,000
$513,000
2021
$5,293 (+4.1%)
$160,829 + $230,952
$391,781
2020
$5,087 (+2.5%)
$157,676 + $226,424
$384,100
2019
$4,962 (+3.9%)
$156,060 + $216,403
$372,463
2018
$4,776 (+126.7%)
$153,000 + $212,160
$365,160
2017
$2,106 (+9.8%)
$38,925 + $94,536
$133,461
2016
$1,919 (−5.5%)
$38,925 + $94,536
$133,461
2015
$2,030 (+3.5%)
$38,162 + $92,683
$130,845
2014
$1,961 (+29.1%)
$36,853 + $89,503
$126,356
2013
$1,519 (+8.3%)
$36,853 + $89,503
$126,356
2012
$1,402 (−7.8%)
$26,833 + $65,167
$92,000
2011
$1,521 (−11.1%)
$24,500 + $59,500
$84,000
2010
$1,711 (+8.5%)
$28,000 + $68,000
$96,000
2009
$1,578 (−41.9%)
$35,000 + $85,000
$120,000
2008
$2,714
$54,238 + $45,762
$100,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS-5
Single-Family Residential District
To provide opportunities for attached or detached single-family residences in existing and new neighborhoods, subject to appropriate standards. Duplexes and multifamily dwellings such as triplexes and fourplexes existing as of the effective date of the ordinance codified in this title are allowed to remain.
Permitted uses
Include but are not limited to:
Housing-Single unit
Infrastructure
Communications tower
Apr 16, 2025 • Final
Solar or electric vehicle
Install a roof-mounted photovoltaic system with eight modules and a battery storage system. Revisions include a change in module type, an increase in system size, the addition of a second disconnect, and a modified equipment layout. The main service panel is excluded and requires a separate electrical permit.
Battery
Electrical
Solar
Sep 10, 2024 • Active
Electrical
Upgrade the main electrical panel with a new bus and breaker for a solar installation.
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: 6
Exterior
Property Information
Living Sq. Ft: 1,483
Ground Floor Sq. Ft: 1,483
Building Sq. Ft: 1,483
# of Stories: 1
Legal Description: TRACT 2399 LOT 64
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,405
Legal Lot Number: 64
Acres: 0.147
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,483
Stories: 1.0
Lot Size: 6,405 square feet
Style: Single Family Residential
Year Built: 1956
Year Renovated: 1971
County: Contra Costa County
APN: 0732430020
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Highlands Elementary School
Public K-5 • Assigned • 1.4mi
4/10
Martin Luther King Jr. Junior High School
Public 6-8 • Assigned • 0.4mi
5/10
Pittsburg Senior High School
Public 9-12 • Assigned • 0.3mi
4/10
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
5/10 Heat Factor
7 days above 99° 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
14 unhealthy days expected this year, 14 days in 30 years
Provided by First Street
Historical weather
Pittsburg, CA • 94565
Average low and high temperatures (°F)
60°
41°
64°
46°
72°
52°
72°
52°
79°
56°
85°
60°
87°
61°
91°
63°
85°
63°
74°
55°
64°
48°
56°
45°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 12.1 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
12.1 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$502,000 – $608,000
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