This Subcontract opportunity from California was posted on September 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Stormwater & Water Pollution Control (SWPPP)

Closed

State & Local

Submission Closed10/12/2026, 02:00:00 PM PDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 561730

New

City of Westminster – Wakefield Valley Park

Solicitation # city-westminster-wakefield-valley-park

Conewago Enterprises, Inc. is soliciting bids from qualified Disadvantaged Business Enterprises for the City of Westminster Wakefield Valley Park project located in Maryland. The submission deadline for bids is November 18, 2026, at 12 PM EST, though this date may be subject to change based on future addenda. Available subcontracting and supply opportunities include fencing, landscaping, painting, seeding, surveying, and tree removal. Interested parties should contact the Estimating Department via email at [email hidden] to obtain the necessary bidding documents or to ask specific questions regarding the solicitation.

Conewago Enterprises, Inc.

POSTED

DEADLINE

Exterior Landscaping and Finishing

Enterprise Services , Department. of

POSTED

DEADLINE

Green Roof Maintenance ServicesThis subcontract for Green Roof Maintenance Services involves providing specialized upkeep for installed green roof systems on City of Atlanta Department of Watershed Management projects. The selected provider will work under prime contractors to maintain vegetation and drainage layers, utilizing specialized rooftop access and safety equipment while ensuring all work adheres to City of Atlanta Standard Details. Deliverables for this engagement include fully maintained green roof systems and detailed maintenance logs. The opportunity is categorized under NAICS code 561730 and was posted on November 9, 2026. Interested parties must submit their responses by the deadline of December 9, 2026, at 1:00 PM. This project is managed through the state of Georgia for the City of Atlanta.

POSTED

DEADLINE

Green Infrastructure and Greenway Maintenance ServicesThis subcontract for Green Infrastructure and Greenway Maintenance Services supports prime contractors on City of Atlanta Department of Watershed Management projects. The scope of work involves the routine maintenance of greenways, bioretention areas, and green infrastructure, specifically focusing on the removal of trash, debris, and leaves from bioswales. Required tasks include the manual removal of weeds without the use of chemicals, pruning trees and shrubs according to ANSI standards, and the mechanical cutting of turfed stabilizing banks. To ensure quality control and accountability, the contractor must provide daily and weekly reports along with before and after photographs of all maintained sites. This opportunity falls under NAICS code 561730, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

Pre-Advertisement Notice for Green Infrastructure Maintenance & Installation Program

Solicitation # PE-66062-NONST-2027-000000523

The City of Atlanta Department of Watershed Management is soliciting qualified contractors for its Green Infrastructure Maintenance and Installation Program through a multi-step competitive sealed bidding process. This unit price contract involves three primary scopes of work: maintenance of green infrastructure and green roofs, design and construction of green infrastructure, and streambank stabilization and restoration to protect sewer infrastructure and water quality. Selected vendors must demonstrate technical expertise in environmental restoration and landscape maintenance, possess necessary licenses, and maintain the operational capacity to perform on-call work across multiple locations in regulated environments. The contract operates on an on-call basis via Work Orders, requiring contractors to submit cost estimates and schedules within two business days of issuance. Emergency response requirements are stringent, demanding acknowledgment of requests within one hour and mobilization within four hours. All work must adhere to Georgia Department of Transportation and City of Atlanta standard specifications. Final acceptance is contingent upon a post-work site visit and the submission of comprehensive closeout documentation, including as-builts and before-and-after photos. Contractors must also meet strict insurance and bonding requirements underwritten by U.S. Treasury Circular 570 listed companies and authorized by the Georgia Insurance Commissioner before work can commence.

POSTED

DEADLINE

PUBLIC ANNOUNCEMENT FOR FOOTBALL FIELD IRRIGATION REPLACEMENT RFP-27-041

Solicitation # RFP-27-041

The Florida School for the Deaf and the Blind (FSDB) has issued Request for Proposals RFP-27-041 for the full replacement of the irrigation system at its football field. The scope of work encompasses site preparation, demolition of the existing system, and the installation of a new system featuring 10 to 14 zones, lines, valves, swing joints, rotor heads with flush-mounted rubber covers for player safety, a backflow preventer, and a pressure regulator. Deliverables include an as-built zone map, controller programming schedules, and manufacturer manuals, with a mandatory one-year warranty on all labor and workmanship. Proposals are evaluated based on a best-value determination using a scoring system that weights response pricing at 20 points, current and past projects at 15 points, experience and ability at 15 points, and project scheduling at 15 points. To be eligible, firms must be licensed in the State of Florida and registered in the MyFloridaMarketPlace Vendor Information Portal with a valid W9 status. Submissions must be provided as a single, unprotected PDF on a USB thumb drive and must include a certificate of insurance and an Affidavit of Compliance with Minority and Veteran’s Business Enterprise Participation. The response deadline is December 16, 2026, at 1:45 PM.

Florida School for the Deaf and the Blind

POSTED

DEADLINE

Site Grading and StabilizationThis subcontract for Site Grading and Stabilization involves performing final site restoration for prime contractors on Georgia Department of Transportation projects. The scope of work includes filling post holes with clean soils, rock raking, and grading the site to ensure proper drainage. To achieve stabilization, the contractor is responsible for applying straw and season-appropriate seed, ultimately delivering a site that is graded, seeded, and suitable for power or push mowing. All work must be performed in strict compliance with the Georgia Erosion and Sedimentation Act. This opportunity is categorized under NAICS code 561730, with a response deadline set for November 17, 2026.

Department of Transportation-2

POSTED

DEADLINE

Cemetery Shrub and Tree CareThe Cemetery Shrub and Tree Care subcontract involves providing specialized pruning and horticultural services for municipal projects within the Town of Petersham, Massachusetts. The scope of work focuses on the maintenance of ornamental vegetation within cemetery boundaries, including pruning shrubs, trimming trees to prevent encroachment on gravesites, and performing seasonal plantings or mulch application. Contractors are expected to utilize professional equipment such as pruning saws and hedge trimmers to deliver these services. This opportunity is categorized under NAICS code 561730 and is intended for those working as subcontractors for prime contractors. The solicitation was posted on November 9, 2026, with a response deadline set for November 30, 2026. All performance of work will take place in Petersham, zip code 01366.

POSTED

DEADLINE

Cemetery Mowing and Grounds MaintenanceThe Cemetery Mowing and Grounds Maintenance subcontract involves providing routine landscaping and groundskeeping services for prime contractors on municipal projects for the Town of Petersham in Massachusetts. The scope of work includes mowing and edging grass, weeding garden beds and walkways, removing debris, and performing precision trimming around headstones and monuments using commercial mowers, string trimmers, and blowers. All services must be delivered in accordance with the town's established seasonal schedule. This opportunity is categorized under NAICS code 561730 and is located in Petersham, zip code 01366. The solicitation was posted on November 9, 2026, with a response deadline of November 30, 2026.

POSTED

DEADLINE

Solicitation # BD-24-1661-PSB01-PSB01-135278

The Town of Petersham, Massachusetts, is soliciting sealed bids for cemetery landscaping services under solicitation number BD-24-1661-PSB01-PSB01-135278. This SLED organization project focuses on the general care and maintenance of cemeteries located within Petersham, MA. Interested parties can obtain the necessary bid documents by emailing the administrative coordinator at [email hidden]. The solicitation was posted on November 9, 2026, with a response deadline of November 30, 2026. All proposals must be submitted as sealed bids. The primary point of contact for this procurement is Purchaser Sherry Berube, who can be reached via phone at [phone hidden] or email at [email hidden]. Billing and administrative correspondence are directed to 3 South Main Street, PO Box 486, Petersham, MA 01366.

POSTED

DEADLINE

Vegetation Control and Herbicide ApplicationThis subcontract for Vegetation Control and Herbicide Application involves performing chemical vegetation control for prime contractors on Texas Department of Transportation projects located in Collin County. The primary scope of work includes applying herbicides to roadside vegetation, specifically along US0075, to prevent overgrowth and ensure overall roadway safety. The successful contractor is responsible for delivering treated roadside areas that are completely free of prohibited vegetation. To qualify for this engagement, the contractor must possess a Commercial Pesticide/Herbicide Applicator License and have access to professional commercial herbicide application equipment. This opportunity is categorized under NAICS code 561730, with a response deadline set for December 3, 2026.

Texas Department of Transportation

POSTED

DEADLINE

Vegetation Control and Herbicide ApplicationThis subcontract for Vegetation Control and Herbicide Application involves performing herbicide treatments to manage unwanted roadside and right-of-way vegetation for prime contractors on Texas Department of Transportation projects located in Navarro County. The selected provider will be responsible for delivering cleared and treated areas using approved chemicals and commercial equipment, including handheld or truck-mounted sprayers, all in strict accordance with TxDOT specifications. To be eligible for this work, the contractor must hold a valid State of Texas Commercial Pesticide Applicator License. The solicitation was posted on November 9, 2026, with a response deadline of December 3, 2026. This opportunity falls under NAICS code 561730 and is managed through the Texas Department of Transportation.

Texas Department of Transportation

POSTED

about 23 hours ago

DEADLINE

in 23 days

AI Contract Overview

This subcontract for Stormwater and Water Pollution Control (SWPPP) focuses on implementing essential water pollution control practices for prime contractors working on City of Anaheim roadway projects. The scope of work includes the installation of silt fences, sediment traps, and erosion control blankets for access roads and staging areas to ensure soil stabilization in accordance with NPDES permits. The selected provider is responsible for delivering a fully compliant stormwater management system along with all necessary reporting. Managed by the Public Works agency in California, this opportunity was posted on September 24, 2026, with a response deadline of October 12, 2026. The project falls under NAICS code 561730 and is designed to ensure all roadway construction activities adhere to environmental regulations and stormwater management standards.

General Info

SWPPP subcontract for Anaheim roadway projects ensuring environmental compliance and stormwater management.

Agency

California → Public Works

NAICS

561730 - Landscaping Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of RCP2026-23926.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Install Rectangular Rapid Flashing Beacons (RRFB) at 14 High-Pedestrian -Volume Uncontrolled Crosswalk Locations

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedSep 24

subcontract

Response DeadlineOct 12

Deadline has passed

Submission Closed

10/12/2026, 02:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → Public Works

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Public Works

Office AddressN/A

ContactsNo contact information available

Full Description

Implements water pollution control practices for prime contractors on City of Anaheim roadway projects. Installs silt fences, erosion control blankets, and sediment traps for staging areas and access roads to ensure soil stabilization per NPDES permits. Delivers a compliant stormwater management system and reports.