284 William Way is a 1,327 square foot house on a 5,643 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on May 21, 1997 for $115,000. Based on Redfin's Pittsburg data, we estimate the home's value is $508,771.
Single-familyProperty Type
1965Year Built
5,643 sq ftLot Size
$383Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$508,771
$394K since sold in May 1997$2,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.5% lower than the average sale price ($527K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #27327616
Apr 1, 1997
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$3,258 (+2.3%)
$84,935 + $137,206
$222,141
2025
$3,184 (+5.3%)
$84,935 + $137,206
$222,141
2024
$3,023 (−2.0%)
$83,270 + $134,516
$217,786
2023
$3,086 (−1.2%)
$81,638 + $131,879
$213,517
2022
$3,124 (+0.3%)
$80,038 + $129,294
$209,332
2021
$3,115 (+2.5%)
$78,469 + $126,759
$205,228
2020
$3,039 (+2.6%)
$76,931 + $124,274
$201,205
2019
$2,963 (+3.9%)
$76,143 + $123,000
$199,143
2018
$2,853 (+0.9%)
$74,650 + $120,589
$195,239
2017
$2,827 (+8.3%)
$71,752 + $115,907
$187,659
2016
$2,611 (−4.7%)
$71,752 + $115,907
$187,659
2015
$2,739 (+3.3%)
$70,346 + $113,635
$183,981
2014
$2,651 (+16.9%)
$67,933 + $109,737
$177,670
2013
$2,268 (+16.5%)
$67,933 + $109,737
$177,670
2012
$1,946 (−21.2%)
$56,971 + $92,029
$149,000
2011
$2,471 (+33.5%)
$47,221 + $76,279
$123,500
2010
$1,850 (−0.9%)
$65,000 + $105,000
$170,000
2009
$1,867 (−1.5%)
$38,195 + $87,305
$125,500
2008
$1,896
$38,194 + $87,306
$125,500
Tax history for 284 William Way
Year
Property tax
Land + Additions
Assessment*
2026
$3,258 (+2.3%)
$84,935 + $137,206
$222,141
2025
$3,184 (+5.3%)
$84,935 + $137,206
$222,141
2024
$3,023 (−2.0%)
$83,270 + $134,516
$217,786
2023
$3,086 (−1.2%)
$81,638 + $131,879
$213,517
2022
$3,124 (+0.3%)
$80,038 + $129,294
$209,332
2021
$3,115 (+2.5%)
$78,469 + $126,759
$205,228
2020
$3,039 (+2.6%)
$76,931 + $124,274
$201,205
2019
$2,963 (+3.9%)
$76,143 + $123,000
$199,143
2018
$2,853 (+0.9%)
$74,650 + $120,589
$195,239
2017
$2,827 (+8.3%)
$71,752 + $115,907
$187,659
2016
$2,611 (−4.7%)
$71,752 + $115,907
$187,659
2015
$2,739 (+3.3%)
$70,346 + $113,635
$183,981
2014
$2,651 (+16.9%)
$67,933 + $109,737
$177,670
2013
$2,268 (+16.5%)
$67,933 + $109,737
$177,670
2012
$1,946 (−21.2%)
$56,971 + $92,029
$149,000
2011
$2,471 (+33.5%)
$47,221 + $76,279
$123,500
2010
$1,850 (−0.9%)
$65,000 + $105,000
$170,000
2009
$1,867 (−1.5%)
$38,195 + $87,305
$125,500
2008
$1,896
$38,194 + $87,306
$125,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
Property details
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Room Information
# of Rooms: 7
Exterior
Exterior Information
Foundation Type: Raised W/Crawlspace
Exterior Wall: Stucco
Property Information
Subdivision Name: DIABLO VIEW
Living Sq. Ft: 1,327
Ground Floor Sq. Ft: 1,327
Building Sq. Ft: 1,327
# of Stories: 1
Legal Description: TRACT 3130 LOT 34 EX POR MR
Parking & Garage Information
Garage/Parking Sq. Ft: 418
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,643
Legal Lot Number: 34
Acres: 0.1295
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,327
Stories: 1.0
Lot Size: 5,643 square feet
Style: Single Family Residential
Year Built: 1965
Year Renovated: 1965
County: Contra Costa County
APN: 0872320114
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Los Medanos Elementary School
Public K-5 • Assigned • 0.3mi
5/10
Rancho Medanos Junior High School
Public 6-8 • Assigned • 0.7mi
4/10
Pittsburg Senior High School
Public 9-12 • Assigned • 1.1mi
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
7/10 Fire Factor
18% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 97° expected this year, 15 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
$484,000 – $586,000
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