bridgeMLS, Bay East AOR, or Contra Costa AOR #40501725
Sep 19, 2011
Sold
$150,000
$113/sq ft
Jan 27, 2011
Pending
—
Dec 22, 2010
Listed
$139,900
$106/sq ft
WELL MAINTAINED HOME 4 BED 2 BATH AND 2 CAR GARAGE. FAMILY ROOM WITH FIREPLACE. GOOD SIZE BACK YARD.
MLSListings #ML81058401
Jul 29, 2011
Sold
$150,000
$113/sq ft
Feb 23, 2011
Pending
—
Dec 22, 2010
Listed
$139,900
$106/sq ft
Public Records
Dec 5, 2003
Sold
$329,000
$248/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #28462188
Jan 7, 1999
Sold
$135,000
$102/sq ft
Nov 18, 1998
Listing Removed
—
Oct 28, 1998
Listed
$140,000
$106/sq ft
FRONT YARD & BACK YARD PROFESSIONALY LAND SCAPED.MANY VARIETIES OF FLOWERS, FISH POND IN BACKYARD,COURT.LOCATION, EASY FRWY ACCES
Public Records
Apr 18, 1995
Sold
$110,000
$83/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$2,893 (+3.7%)
$64,051 + $128,110
$192,161
2024
$2,789 (+2.3%)
$62,796 + $125,599
$188,395
2023
$2,726 (+0.7%)
$61,565 + $123,137
$184,702
2022
$2,708 (+2.6%)
$60,358 + $120,723
$181,081
2021
$2,640 (+1.6%)
$59,175 + $118,356
$177,531
2020
$2,599 (+1.6%)
$58,015 + $116,036
$174,051
2019
$2,559 (+3.4%)
$57,421 + $114,847
$172,268
2018
$2,474 (+3.3%)
$56,296 + $112,596
$168,892
2017
$2,395 (+3.4%)
$54,111 + $108,225
$162,336
2016
$2,317 (+1.4%)
$54,111 + $108,225
$162,336
2015
$2,285 (+2.0%)
$53,050 + $106,103
$159,153
2014
$2,240 (+2.7%)
$51,231 + $102,463
$153,694
2013
$2,181 (+8.3%)
$51,231 + $102,463
$153,694
2012
$2,014 (+5.3%)
$51,000 + $102,000
$153,000
2011
$1,913 (−5.3%)
$46,500 + $93,000
$139,500
2010
$2,019 (−11.1%)
$58,131 + $69,369
$127,500
2009
$2,273 (−47.1%)
$63,602 + $75,898
$139,500
2008
$4,298
$75,228 + $89,772
$165,000
Tax history for 21 RIVERSIDE Ct
Year
Property tax
Land + Additions
Assessment*
2025
$2,893 (+3.7%)
$64,051 + $128,110
$192,161
2024
$2,789 (+2.3%)
$62,796 + $125,599
$188,395
2023
$2,726 (+0.7%)
$61,565 + $123,137
$184,702
2022
$2,708 (+2.6%)
$60,358 + $120,723
$181,081
2021
$2,640 (+1.6%)
$59,175 + $118,356
$177,531
2020
$2,599 (+1.6%)
$58,015 + $116,036
$174,051
2019
$2,559 (+3.4%)
$57,421 + $114,847
$172,268
2018
$2,474 (+3.3%)
$56,296 + $112,596
$168,892
2017
$2,395 (+3.4%)
$54,111 + $108,225
$162,336
2016
$2,317 (+1.4%)
$54,111 + $108,225
$162,336
2015
$2,285 (+2.0%)
$53,050 + $106,103
$159,153
2014
$2,240 (+2.7%)
$51,231 + $102,463
$153,694
2013
$2,181 (+8.3%)
$51,231 + $102,463
$153,694
2012
$2,014 (+5.3%)
$51,000 + $102,000
$153,000
2011
$1,913 (−5.3%)
$46,500 + $93,000
$139,500
2010
$2,019 (−11.1%)
$58,131 + $69,369
$127,500
2009
$2,273 (−47.1%)
$63,602 + $75,898
$139,500
2008
$4,298
$75,228 + $89,772
$165,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
4
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
6,300 Sq. Ft.
Year renovated
1971
Sq. Ft.
1,326
Year built
1970
Style
Single Family Residential
County
Contra Costa County
APN
0983210022
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Jan 30, 2010 • Final
Building - residential re-roof
Install a new tar and gravel roof.
Roofing
Sep 6, 2007 • Final
Building/residential/al/alteration
Repair a small overhang at the front porch and remove a patio cover behind the garage. Install a new electrical outlet for a garage door opener and replace a shower head and valve.
Electrical
Remodel
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
Parking
Parking Information
Garage (Minimum): 2
Garage (Maximum): 2
Garage Spaces: 2
Interior
Bedroom Information
# of Bedrooms (Minimum): 4
# of Bedrooms (Maximum): 4
Bathroom Information
# of Baths (Full): 2
# of Baths (Minimum): 2
# of Baths (Maximum): 2
Bathroom Description: 2+ Tubs, 2+ Stall Shower, Tub in Master Bedroom
Room Information
Family Room Description: Separate Family Room
Dining Room Description: Dining Area in Living Room, No Informal Dining Room
Interior Features
Flooring: Carpet (Wall-to-Wall)
Fireplace Information
Fireplace Description: In Family Room, Wood-Burning, Fireplace Available
Heating & Cooling Information
Heating: Wall Furnace
Exterior
Exterior Features
View: Local/Neighborhood
Roof: Shingle, Composition
Yard/Grounds: Fenced
Building Information
Style: Ranch
Subclass: Single Family Home
Building Type: Detached
Other
Building Height (Minimum): 1
Building Height (Maximum): 1
Property Features
Living Sq. Ft.: 1,326
Property Information
Property Primary ID: 330245
Lot Information
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: R6
Utilities
Utility Information
Sewer Septic: Sewer in Street, Sewer Connected
Water Information
Water: Public
Location
Multi-Unit Information
# of Stories: 1
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,326
Stories: 1.0
Lot Size: 6,300 square feet
Style: Single Family Residential
Year Built: 1970
Year Renovated: 1971
County: Contra Costa County
APN: 0983210022
Home facts updated by county records on Jul 13, 2026
Other
Miscellaneous Information
Incorporated: Yes
Around this home
Schools
Rio Vista Elementary School
Public K-5 • Assigned • 0.8mi
2/10
Riverview Middle School
Public 6-8 • Assigned • 0.4mi
3/10
Mt. Diablo High School
Public 9-12 • Assigned • 5.2mi
3/10
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
6% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 98° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
18 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Bay Point, CA • 94565
Average low and high temperatures (°F)
60
41
64
46
72
52
72
52
79
56
85
60
85
59
90
63
86
61
78
57
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
$433,000 – $525,000
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