04-1Q2304 — Bid Results

Cold plane,RHMA overlay,Const curb ramp,SW & MGS,Mod signal & lighting

MARIN COUNTY IN TIBURON FROM TOWER DRIVE TO MAIN STREET

Bid opened	2026-04-28
District	04
Engineer's estimate	$13,400,000.00
Low bid	$11,438,563.89 -14.64% vs EE
Low bidder	O.C. JONES & SONS, INC.
Number of bidders	5
Working days	190
Number of items	123
Source	Caltrans bid summary PDF ↗

Bidders (5)

#	Bidder	City, State	Bid amount	vs Low
1	O.C. JONES & SONS, INC.	BERKELEY, CA	$11,438,563.89	+0.0%
2	GHILOTTI BROS., INC.	SAN RAFAEL, CA	$12,077,787.00	+5.6%
3	GHILOTTI CONSTRUCTION COMPANY, INC.	SANTA ROSA, CA	$12,414,112.70	+8.5%
4	BAY CITIES PAVING & GRADING, INC.	CONCORD, CA	$13,361,994.50	+16.8%
5	ARGONAUT CONSTRUCTORS, INC.	SANTA ROSA, CA	$13,804,412.00	+20.7%

Want the full picture? Caltrans Tracker breaks down every line item, compares subcontractor pricing across bidders, and models cost history against Caltrans's own bid data — free preview, no card required.
Open 04-1Q2304 in Caltrans Tracker →

More bid openings from 2026-04-28:

05-1K0204 — Roadway Excavation, Place HMA (Type A), Class 2 AB, and Temp Barrier. (low bid $3.3M)
07-286304 — Widen 2 lane conventional highway. (low bid $28.9M)
08-1P8504 — Minor concrete (RSC) and hot mix asphalt (Type A). (low bid $271K)
09-428804 — Overlay existing pavement with HMA (Type A). (low bid $2.8M)

CaltransTracker.com is an independent, privately owned data platform. It is not affiliated with, endorsed by, or operated by the California Department of Transportation (Caltrans) or the State of California. About · Privacy · Terms · Support this site