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  5. ›RFP Watering & Planting Maintenance Srvcs. Wohler

County of Sonoma·California

RFP Watering & Planting Maintenance Srvcs. Wohler

Closes 11/24/2026$100k – $500kRequest for ProposalLogin required
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Description

The County of Sonoma is seeking proposals from qualified consultants to perform watering, re‑planting, plant establishment, ongoing plant maintenance, and erosion repair for the Wohler Road Bridge replacement project over Mark West Creek. The work must satisfy post‑construction environmental requirements and the firm must hold a valid C‑27 Landscaper’s License and be DIR‑registered. Proposals are to be submitted as a hard copy and an electronic flash‑drive copy in a sealed envelope by the deadline. • Scope includes ecological restoration activities: watering, re‑planting, establishment, maintenance, and erosion repair. • Must be a licensed C‑27 landscaper and registered with the California Department of Industrial Relations. • Submission requires one hard copy and one electronic copy; electronic, faxed, or emailed proposals are not accepted. • Questions must be submitted in writing by 2:00 PM on November 10, 2026; responses posted by November 19, 2026. • Living wage rate of $23.84/hr applies to covered employees.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

John Leong

[email protected]

Key dates

Opened
10/28/2026
Questions due
11/10/2026
Closes
11/24/2026

Last updated

Details

Type
Request for Proposal
Industry
Water Management and Sanitation
NAICS
561730
Solicitation №
0000002211

Budget estimate

$100,000 – $500,000

No contract value is disclosed. Based on typical county‑level bridge landscaping and environmental restoration contracts of similar scope, the award could range from low‑six figures to mid‑hundreds‑of‑thousands of dollars. Factors influencing the range include the total linear footage of bridge, the extent of planting/erosion work, local labor rates (including the $23.84 living‑wage), and the requirement for a lump‑sum bid. A reasonable estimate is $100,000 – $500,000.

AI estimate from the solicitation

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