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County of Marin·California

2025-24/2025-28 ENG HSIP Cycle 12 Butterfield Rd Pedestrian Crossing and 2025 Countywide Drainage Project

Closes in 4 days$500k – $600kInvitation for Bid
Get bids like this by emailBid source

Description

The Marin County Department of Public Works is seeking qualified contractors to install two ADA‑compliant pedestrian crosswalks, curb ramps, rectangular rapid flashing beacons, two bioretention basins, and perform minor grind/pave and traffic striping at the intersection of Irving Drive and Butterfield Road in unincorporated Marin County. Bids must be submitted electronically via BidExpress by the deadline, and the contract will be awarded to the lowest responsible bidder who meets prevailing‑wage requirements. The project must be completed within 35 working days after award. • Scope includes crosswalks, curb ramps, RRFBs, bioretention basins, pavement grinding, repaving, and striping. • Project location: Irving Drive & Butterfield Road, near San Anselmo, CA. • Budgetary engineer’s estimate: $550,000; bid security required at 10% of the base bid. • All labor subject to California prevailing‑wage laws; Class “A” contractor license required.

Attached files

Contact

James Edson(Project Manager)

[email protected]

(415) 473-4324

Key dates

Opened
10/13/2026
Questions due
10/20/2026
Closes
10/27/2026
Duration
35 days

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237310
Solicitation №
2025-24/2025-28

Budget estimate

$500,000 – $600,000

The notice provides an engineer’s estimate of $550,000 for the entire scope. Considering typical bid security (10% of the bid) and possible contractor profit margins (5‑15%), the expected contract award amount will likely fall between $500,000 and $600,000. This range reflects variability in material costs, site conditions, and final design details.

AI estimate from the solicitation

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