RFP Landscape Services Ecological Restoration and Invasive Species for Parks and Recreation

Pierce County, Washington is requesting proposals for on-call landscape maintenance services focused on ecological restoration and invasive species control across county-owned sites, with proposals due September 30, 2026 at 4:00 p.m. The County intends to award a single contract.

Minimum qualifications include Washington State business registration with an active Unique Business Identifier number, a valid federal tax identification number, five years of experience with restoration work, proper licensing and endorsements for aquatic herbicide application, and technical knowledge of native and invasive plant identification.

Scope encompasses invasive species identification and control using manual and chemical methods, site preparation for native plant installation, erosion control implementation, seeding and mulching, bareroot and container plant installation, mechanical mowing and brushcutting, and year-round noxious weed control. Sites range from 1,000 to 217,800 square feet or larger, primarily in highly regulated wetlands and riparian areas.

The estimated contract value is $500,000. The initial contract period is 24 months with an option for renewal for an additional three years following negotiation with the selected firm. Proposers must provide complete pricing for all services and acknowledge acceptance of the County's standard service agreement terms.

Evaluation criteria weight pricing at 50 percent, qualifications at 25 percent, approach to work at 15 percent, and presentation at 10 percent. Proposals must be submitted electronically through Pierce County's eProcurement Portal. Questions are due September 15, 2026. Proposal evaluation is anticipated to occur approximately three weeks after submission, notice of intention to negotiate approximately six weeks after submission, and contract execution approximately eight weeks after submission. The County will not reimburse proposers for preparation costs or interview attendance.