Skip to main content

2025 Kensington fiberized Slurry Seal and Overlays

Project Overview

The work to be done generally consists of placing two types of surface treatments on various roads in Kensington area: a type II fiberized slurry seal, or cold plane and overlay with hot mix asphalt (HMA), Including Clark Road in El Sobrante. Work will involve surface preparation, including weed spray, crack sealing, pavement failure repair, edge grinding, removal of existing thermoplastic stripes and pavement markings, removal of existing curb and sidewalk, and placing concrete curb ramps in compliance with the American with Disabilities Act, setting survey monuments, and placement of thermoplastic striping and pavement markings.

2025 Kensington fiberized Slurry Seal and Overlays | Contra Costa County, CA Official Website

Mountain landscape under a blue sky with "Contra Costa Public Works" logo in the top left corner.

Road Closure Updates

9/12/25

  • Project Stage: The project has entered the slurry seal stage, which is the second-to-last major phase. The final phase will involve signage and striping.
  • Schedule:
    • Slurry seal work is scheduled for September 15–19.
    • Arlington Avenue is scheduled for slurry seal work during the week of September 22. This will involve 1-way traffic control, similar to what was done the week of August 11.
  • Street Closures:
    • Slurry seal work requires complete street closures for certain periods before traffic can resume.
    • This is different from crack seal work, which typically allows more traffic flexibility.
  • School Coordination:
    • Work near Kensington Hilltop Elementary School will be limited to ensure continuous access for parents and teachers during drop-off and pick-up times.

Download the detailed plans below:

Pavement Coating Co. Slurry Seal Map Schedule - 09.12.25.pdf

 

Map with colored routes indicating different paths or streets, labeled with dates 09/15 thru 09/19.
Closure Map
A table listing street cleaning schedules for 09/15, 09/16, 09/17, with street names, routes, areas, and totals for each day.
Schedule 9-15 thru 9-17
Table of street cleaning schedules for 09/18 and 09/19 with routes, start and end points, and area in yards.
Schedule 9-18 thru 9-19
Map with colored routes indicating different paths or streets, labeled with dates 09/15 thru 09/19.
A table listing street cleaning schedules for 09/15, 09/16, 09/17, with street names, routes, areas, and totals for each day.
Table of street cleaning schedules for 09/18 and 09/19 with routes, start and end points, and area in yards.

 

9/9/2025

The Kensington Slurry and Overlay project has provided a treatment schedule. We have posted their proposed construction schedule below using the images provided.  Slurry Seal should start on September 11 and run through September 22nd.

Roads will be closed for 4-6 hours. Residents can contact Tricia Baxter, Resident Engineer, for any specific arrangements during street construction. She can be reached via email at [email protected]

 

Map of Kensington detailing fiberized slurry seal construction schedule from 09/18 to 09/22, highlighting affected streets.
Slurry seal construction schedule for Kensington 2025 with street details for 09/11 and 09/12. Includes street names, segments, and areas.
Schedule for Kensington slurry seal work from 09/15 to 09/17, listing streets, start and end points, and area in yards.
Kensington slurry seal construction schedule for 09/18, 09/19, and 09/22, listing streets, start and end points, and area in yards.

 

 

9/3/2025

Please see attached updated work for the County showing the schedule through Tuesday 9/09. Work on Kenyon Ave is expected to begin on 9/5/25 and the school detour plan is below.

2025.09.03 GBI Work Plan & Sequence.pdf2025.08.21 Kenyon Ave & School Detour Plan.pdf

 

8/26/2025

Work on Kenyon Ave is expected to begin on 8/28/25. Please see the county's work sequence in the document below. The school detour plan posted on 08/21/25 will still be in effect.

2025.08.26 GBI Work Plan Sequence.pdf

 

8/21/2025

Contra Costa County Public Works will be closing Kenyon Avenue on 08/28/2025.  The attached county maps show morning and afternoon alternate pickup routes for Kensington Elementary School.   Please see the map below.  

2025.08.21 Kenyon Ave & School Detour Plan.pdf

This essential work is being performed to seal and strengthen Kensington’s roadways, especially ahead of the wet season when water infiltration can compromise the structural integrity of our roads and surrounding land.

- Please plan alternate routes during this time. Traffic mitigation measures are being evaluated to reduce delays and improve flow for all motorists.
- We ask for your patience and cooperation with road crews working diligently to improve our community’s infrastructure.
- Stay Updated: The Kensington Police Department will post weekly updates on construction locations to Nixle.

Join our mailing list