As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$387,618 (+3.8%)
$6,436,593 + $12,130,525
$18,567,118
2024
$373,282 (+3.4%)
$6,310,386 + $11,892,672
$18,203,058
2023
$360,918 (+3.0%)
$6,186,653 + $11,659,483
$17,846,136
2022
$350,428 (+4.0%)
$6,065,347 + $11,430,866
$17,496,213
2021
$337,097 (+1.8%)
$5,946,419 + $11,206,732
$17,153,151
2020
$331,035 (+1.4%)
$5,829,823 + $10,986,993
$16,816,816
2019
$326,471 (+5.7%)
$5,770,046 + $10,874,335
$16,644,381
2018
$308,983 (+5.0%)
$5,656,908 + $10,661,113
$16,318,021
2017
$294,306 (+4.6%)
$5,437,245 + $10,247,130
$15,684,375
2016
$281,355 (+4.1%)
$5,437,245 + $10,247,130
$15,684,375
2015
$270,382 (+4.7%)
$5,330,633 + $10,046,206
$15,376,839
2014
$258,322 (+4.8%)
$5,147,711 + $9,701,468
$14,849,179
2013
$246,392 (+4.6%)
$5,147,711 + $9,701,468
$14,849,179
2012
$235,472 (+2.5%)
$5,124,447 + $9,657,623
$14,782,070
2011
$229,742 (+2.3%)
$5,023,968 + $9,468,258
$14,492,226
2010
$224,564 (+0.2%)
$4,925,459 + $9,282,606
$14,208,065
2009
$224,018 (+3.0%)
$4,888,648 + $9,213,231
$14,101,879
2008
$217,483
$4,900,262 + $9,235,119
$14,135,381
Tax history for 5255 Clayton Rd
Year
Property tax
Land + Additions
Assessment*
2025
$387,618 (+3.8%)
$6,436,593 + $12,130,525
$18,567,118
2024
$373,282 (+3.4%)
$6,310,386 + $11,892,672
$18,203,058
2023
$360,918 (+3.0%)
$6,186,653 + $11,659,483
$17,846,136
2022
$350,428 (+4.0%)
$6,065,347 + $11,430,866
$17,496,213
2021
$337,097 (+1.8%)
$5,946,419 + $11,206,732
$17,153,151
2020
$331,035 (+1.4%)
$5,829,823 + $10,986,993
$16,816,816
2019
$326,471 (+5.7%)
$5,770,046 + $10,874,335
$16,644,381
2018
$308,983 (+5.0%)
$5,656,908 + $10,661,113
$16,318,021
2017
$294,306 (+4.6%)
$5,437,245 + $10,247,130
$15,684,375
2016
$281,355 (+4.1%)
$5,437,245 + $10,247,130
$15,684,375
2015
$270,382 (+4.7%)
$5,330,633 + $10,046,206
$15,376,839
2014
$258,322 (+4.8%)
$5,147,711 + $9,701,468
$14,849,179
2013
$246,392 (+4.6%)
$5,147,711 + $9,701,468
$14,849,179
2012
$235,472 (+2.5%)
$5,124,447 + $9,657,623
$14,782,070
2011
$229,742 (+2.3%)
$5,023,968 + $9,468,258
$14,492,226
2010
$224,564 (+0.2%)
$4,925,459 + $9,282,606
$14,208,065
2009
$224,018 (+3.0%)
$4,888,648 + $9,213,231
$14,101,879
2008
$217,483
$4,900,262 + $9,235,119
$14,135,381
*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
PD
Planned District
The purpose of the planned district was to provide for development and site design which better responded to unique environmental conditions in furtherance of the general plan by permitting varied setbacks, diverse lot sizes, and other variations to the residential development standards. The development standards were established with the approval of a preliminary development plan by the city council. However, many of the preliminary development plans for residential planned district development and/or their subsequent use permit approval did not provide a sufficient written record to document the development standards and guide the approval of changes to properties over time. Where no record of development standards exists for a specific residential planned district.
Jun 3, 2026 • Active
Miscellaneous mechanical, electrical or plumbing
Replace a residential water heater with a similar model.
Plumbing
Water heater
Apr 22, 2026 • Active
Miscellaneous mechanical, electrical or plumbing
Replace a residential water heater with a similar model.
Plumbing
Water heater
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: 20
Exterior
Property Information
Living Sq. Ft: 14,090
Ground Floor Sq. Ft: 14,090
Building Sq. Ft: 14,090
# of Stories: 1
Legal Description: PCL MAP 119 PG 43 PCL A
Lot Information
# of Buildings: 17
Land Sq. Ft: 382,892
Acres: 8.79
County Use Description: APARTMENT 60+ UN
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: 14,090
Stories: 1.0
Lot Size: 8.79 acres
Style: Multi-Family (5+ Unit)
Year Built: 1986
Year Renovated: 1987
County: Contra Costa County
APN: 1171800475
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Ayers Elementary School
Public K-5 • Assigned • 0.7mi
5/10
Pine Hollow Middle School
Public 6-8 • Assigned • 1.1mi
6/10
Concord High School
Public 9-12 • Assigned • 2.1mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
5/10 Flood Factor
Estimated 37-49% chance of a flood reaching the building in the next 30 years
6/10 Fire Factor
8% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 14 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
Concord, CA • 94521
Average low and high temperatures (°F)
60
40
64
43
72
47
72
48
80
52
85
55
85
56
92
59
86
58
79
54
64
46
57
44
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.