Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Turf Maintenance. Specifications: Mowing (Once/Week), Edging (Once/Week), Fertilization (Four times/Year, using 22-3-9 or 16-6-8 fertilizer), Dethatching (Once/Year), Aeration (Twice/Year, by removing ½" diameter by 4"-deep cores of sod, with 6" spacing), Reseeding (as needed), Overseed (Once/Year for warm season turf in October, cool season between March 15-April 15 after dethatching).
• Quantity: -  Unit: -  Work Item: Irrigation System Maintenance and Operation. Specifications: Maintain all components (controllers, valves, sprinklers, sensors); Testing (Once/Week); Repairs (within 24 hours for main line, lateral lines, sprinkler damage); Monthly schedule submission; Manual Watering (continuous/daily as needed); Compliance with AB325.
• Quantity: -  Unit: -  Work Item: Shrub Maintenance. Specifications: Pruning (Once/Month or as directed); Shrubbery Replacement (Once/Month or as directed, same species, 24 hr replacement if contractor negligence, 6-month guarantee); Cultivation (Once/Month); Mulching (Once/Month, 3" layer).
• Quantity: -  Unit: -  Work Item: Ground Cover Maintenance. Specifications: Renovation (Once/Month or as directed); Cultivation and Mulching (regularly, clean mulch twice/year or more frequently); Edging (Once/Month); Replanting (as needed; City provides plants, Contractor labor unless negligence); Groundcover Replacement (24 hr replacement if contractor negligence, 6-month guarantee); Height maintained (not to exceed 10 inches); Weed removal (as needed). Fertilization (Four times/Year).
• Quantity: -  Unit: -  Work Item: Vine Maintenance. Specifications: Pruning (Monthly, trimmed to 8" below top of wall/fence and 6-8" from vertical surface); Irrigation (Continuous); Replanting (as needed; City provides plants, Contractor labor unless negligence).
• Quantity: -  Unit: -  Work Item: Tree Care. Specifications: Trimming/Shaping/Pruning (up to 15' for safety/health/appearance); Raising Trees (for clearance as directed); Sucker Growth Removal (continuous); Pest/Disease Control (weekly or as directed); Dead/Diseased/Damaged Branch Removal; Staking/Re-staking/Re-tying (as needed, contractor supplied); Fertilization (as needed throughout year); Grass Removal (12" diameter from trunk).
• Quantity: -  Unit: -  Work Item: Weed Control. Specifications: Pre-emergent chemical application (regular program); Hand removal (as necessary); Cultivation; Chemical eradication (except in reseeding areas); Broadleaf control (as needed, Four times/Year); Maintain all shrub beds, buffer zones, hard surfaces, tree wells, median islands, sidewalks, walkways, curbs, gutters free of weeds. Chemical Application (continuously as directed by Inspector).
• Quantity: -  Unit: -  Work Item: Disease, Insect, Pest, and Rodent Control. Specifications: Regular inspection; City notification within 24 hours; Implement approved control measures; Treat gophers (3 days/week or as needed, Mon-Fri). (continuously).
• Quantity: -  Unit: -  Work Item: Plant Material Replacement. Specifications: Turf, annual plants, trees, shrubs, vines, ground cover, and soil replacement (as needed due to Contractor's negligence, same species/size, within 24 hours for shrubs/groundcover, directed by Urban Forester Manager for other plants). Cost for plant materials damaged by acts of God/vandalism/accidents by contractor at cost, installed no cost. Specific plant replacements (monthly basis to ensure health/aesthetics, City determines desirability, contractor procures at cost, installs at no cost, soil amendments at no cost).
• Quantity: -  Unit: -  Work Item: Litter and Debris Removal and Waste Disposal/General Cleanup. Specifications: Remove all trash and debris (bottles, glass, cans, paper/plastic, cardboard, dog litter, metallic items, tree leaves, fallen branches) (continuously/Once per Week/Prior to mowing/Daily for contractor's generated debris). Green waste disposed at Robert A. Nelson Transfer Station (1830 Agua Mansa Road, Riverside, CA), weigh tickets required. Clean sidewalks/roadways/trails (Daily). Empty Trash Receptacles (Daily).
• Quantity: -  Unit: -  Work Item: Amenities Maintenance. Specifications: Keep Drains and Grates free of vegetation, debris, algae; cleaned yearly/Fall; tested for security.
• Quantity: -  Unit: -  Work Item: Graffiti Removal. Specifications: Promptly remove graffiti on irrigation controllers, backflow enclosures, electrical breaker boxes, valve boxes, fences, curbs, sidewalks, and other hard surfaces (continuously); Report to City Call Center (951) 826-5311.
• Quantity: -  Unit: -  Work Item: Abandoned Shopping Carts. Specifications: Canvass Maintenance Area daily (7 days/week) and report locations to Riverside Call Center (951-826-5311).
• Quantity: -  Unit: -  Work Item: Conditions of Blight/Security. Specifications: Canvass Maintenance Area daily (7 days/week) and report to Field Operations Manager (951-351-6125).
• Quantity: -  Unit: -  Work Item: Signage Maintenance. Specifications: Keep monument, street, and other signs free of dirt and debris; Report damage immediately.
• Quantity: -  Unit: -  Work Item: Traffic Control. Specifications: Furnish, install, and maintain all required traffic control devices and signage according to Caltrans Traffic Control Manuals and APWA Traffic Control Handbook.

NAICS Classification

NAICS 561730 – Landscaping Services (Comprehensive landscape maintenance, including turf, trees, shrubs, groundcover, irrigation system operation and repair, weed control, litter/debris removal, and hardscape maintenance)., NAICS 561710 – Exterminating and Pest Control Services (Rodent, disease, and insect control)., NAICS 562111 – Solid Waste Collection (Collection and disposal of green waste, litter, and debris).

Records and Due Date

This bid opportunity was entered into BidAmerica on February 9, 2026, and was last updated on February 9, 2026. All bids and/or proposals are due on March 2, 2026.

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All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Riverside City. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Riverside City prior to bidding.