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California Department of Transportation·California

Landfill Disposal Site Services in Sonoma County

Closes 10/29/2026$75k – $150kInvitation for Bid
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Description

The California Department of Transportation (Caltrans) is seeking a qualified contractor to operate a landfill disposal site in Sonoma County for non‑hazardous solid waste generated by Caltrans activities. The contract will cover the disposal of non‑compacted refuse, miscellaneous litter, debris and green waste (excluding tree stumps) within a 20‑mile radius of 224 Lincoln St., Santa Rosa, CA 95401. The contractor must provide weighing, receipt documentation, maintain all required permits, and comply with state environmental statutes such as SB 1383. The agreement is a three‑year term beginning roughly mid‑January 2027.

Attached files

Contact

Wendy Kwong(Contract Analyst)

[email protected]

(279) 789-4474

Key dates

Opened
10/14/2026
Questions due
10/22/2026
Closes
10/29/2026
Projected award
11/3/2026
Duration
3 years

Last updated

Details

Type
Invitation for Bid
Industry
Utilities and Waste Management
NAICS
562111
Solicitation №
04A7638

Budget estimate

$75,000 – $150,000

The solicitation prices the work per ton. Estimated total waste is ~2,500 tons (1,875 tons refuse + 625 tons green waste). Typical California landfill disposal rates for non‑hazardous waste range from $30 to $50 per ton. Multiplying yields an estimated contract value between $75,000 (low) and $125,000 (high). Adding possible SB/MB preference ($50 k) and DVBE incentive ($100 k) could raise the upper bound to about $150,000. Hence a realistic budget range is roughly $75k‑$150k.

AI estimate from the solicitation

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