This Subcontract opportunity from Maryland was posted on October 15, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Erosion and Sediment Control (ESC) Specialist

Closed

State & Local

Submission Closed10/15/2026, 12:00:00 PM EDT

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

Tree Trimming, Pruning, and Above-Ground RemovalThis subcontract involves professional tree trimming, pruning, skirting, and above-ground removal for Caltrans vegetation management projects located in Los Angeles and Ventura Counties. The scope of work focuses on maintaining safety clearances, specifically ensuring a 17-foot vertical clearance over traveled ways, and includes the removal of shrubs, vines, and palm trees using specialized rigging equipment and bucket trucks. Qualified providers must hold a CSLB license and adhere strictly to OSHA line-clearance standards to ensure all trimmed vegetation meets required safety specifications. The solicitation was posted on November 6, 2026, with a response deadline of November 24, 2026, falling under NAICS code 561730.

California Department of Transportation

POSTED

DEADLINE

IFB Tree Trimming, Pruning, & Removal Services, Los Angeles & Ventura Counties

Solicitation # 07A6504

The California Department of Transportation (Caltrans) is soliciting bids for tree trimming, pruning, and removal services within Los Angeles and Ventura Counties. The contractor is responsible for providing all necessary labor, equipment, and materials to perform thinning, skirting, and the removal of shrubs, vines, and trees, including palm trees. Key technical requirements include maintaining a 17-foot vertical clearance over traveled ways and shoulders and ensuring visibility for highway signs and safety devices. While above-ground removal is required, stump grinding or removal is explicitly prohibited. The contract is estimated to run from January 1, 2027, through December 31, 2029, with work assigned via routine requests (5-day response) and non-routine requests (24-hour response). Award will be granted to the lowest responsive and responsible bidder, with specific incentives available for DGS-certified Disabled Veteran Business Enterprises (DVBE), Small Businesses, and Microbusinesses. Compliance with State General Prevailing Wage Rates, SB 1383 organic waste regulations, and OSHA standards for line-clearance trimming is mandatory. Bids must be submitted in physical format by November 24, 2026, and must include all required certifications. Payment is contingent upon the submission of a Payee Data Record and certified payroll records, with all invoices submitted in triplicate to the Camarillo office.

California Department of Transportation

POSTED

DEADLINE

Hydroseeding & Seed SupplyThis subcontract agreement involves the supply and application of athletic turf seed mixtures for prime contractors working on City of Pasadena projects under the Parks, Recreation and Community Services Department. The selected contractor is responsible for providing City-approved Bermuda grass and Perennial Ryegrass mixtures, including detailed species and weight percentages for official approval. The scope of work requires the application of these mixtures across a 7-acre project area utilizing professional hydroseeding equipment. To be eligible for this contract, the provider must hold a valid California C-27 Landscaping Contractor license. The primary deliverable is the successful installation of hydroseeded turf across the designated 7-acre site. Interested parties must submit their responses by November 20, 2026, in accordance with the solicitation guidelines.

Parks, Recreation and Community Services Department

POSTED

DEADLINE

Athletic Field Turf Renovation and Hydroseeding

Solicitation # 2026-IFB-LM-0581

The City of Pasadena, through the Department of Parks, Recreation and Community Services, is soliciting bids for the renovation and hydroseeding of approximately seven acres of natural turf athletic fields at Victory Park. The project involves a comprehensive scope of work including preconstruction irrigation inspections, gopher mitigation, and soil processing to a minimum depth of eight inches to eliminate compaction. The goal is to establish a safe, durable, and properly graded athletic field. The anticipated start date is November 30, 2026, with a strict requirement that all initial renovation, grading, and hydroseeding be completed within 14 calendar days. The contract will be awarded to the lowest and best bidder, with evaluation factors extending beyond price to include material quality, bidder capability, financial resources, and past performance. To be considered responsive, bidders must provide pricing for every line item and possess a valid California Contractors State License Board C-27 Landscaping Contractor license. Submissions must be made via the City's eProcurement Portal by November 20, 2026. Key compliance requirements include adherence to State of California prevailing wage rates, CAL/OSHA safety standards for confined spaces, and ADA accessibility guidelines. Additionally, the successful bidder must provide a 5% electronic bid bond and maintain an active registration with SAM.gov.

Parks, Recreation and Community Services Department

POSTED

DEADLINE

Landscape Installation and MaintenanceThis subcontract agreement involves the provision of professional landscaping installation and maintenance services for the Independence Jail project under the jurisdiction of the Inyo County Public Works Department. The selected contractor will work under prime contractors to execute all tasks in strict accordance with the Independence Jail Landscaping Plan as well as the May 2020 Inyo County Public Works Department Standard Specifications and Standard Details. To be eligible for this engagement, the contractor must hold a valid California State License Board license. The primary objective of the contract is the delivery of a completed landscaping installation that conforms entirely to the established project plans. Interested parties must submit their responses by the deadline of December 11, 2026.

POSTED

DEADLINE

Independence Jail Landscaping

Solicitation # ZP 24-020

The Independence Jail Landscaping project, managed by the Inyo County Public Works Department under solicitation ZP 24-020, involves comprehensive landscaping services including excavation, grading, irrigation installation, and planting. The project requires a contractor with at least one year of landscaping experience and a valid CA State License Board number. Key technical requirements include adherence to the Model Water Efficient Landscape Ordinance (MWELO), the provision of a Soil Management Report, and the implementation of an irrigation system with a distribution uniformity low quarter of 0.65 or higher. The contractor is responsible for providing all labor, materials, and equipment, as well as delivering training on planting techniques and ongoing maintenance. All work must comply with the 2010 Americans with Disabilities Act (ADA), Inyo County Public Works Standard Specifications from May 2020, and prevailing wage rates. Bids must be submitted electronically via the OpenGov portal by December 11, 2026. Required submission materials include a bid proposal, vendor certifications, and a proposal guarantee of ten percent of the total bid amount. Upon contract award, the contractor must provide a Faithful Performance Bond and a Labor and Materials Payment Bond, both for 100 percent of the contract amount. The estimated construction cost for the project is 97,140.00. Final acceptance is contingent upon a Certificate of Completion certified by a licensed landscape contractor or architect, supported by as-built drawings, irrigation audit reports, and soil analysis documentation.

POSTED

DEADLINE

Tree Removal & ClearingThis subcontract opportunity involves providing tree removal and vegetation clearing services for prime contractors operating on projects within the Central Florida Tourism Oversight District. The scope of work requires the cutting, hauling, and disposal of trees and brush that obstruct signal and shaft installation sites, utilizing specialized equipment such as chainsaws and chippers to ensure project sites are fully cleared and ready for construction. The solicitation was posted on November 6, 2026, with a response deadline of December 7, 2026. Classified under NAICS code 561730, this contract is managed through the Central Florida Tourism Oversight District in Florida. Interested parties can find further details and submission guidelines via the MyFloridaMarketplace vendor portal.

Central Florida Tourism Oversight District

POSTED

DEADLINE

Invasive Plant Eradication and Control ServicesThis subcontract for Invasive Plant Eradication and Control Services involves the foliar application of herbicides to eliminate European beach grass, ice plant, and perennial veldt grass across five designated dune areas at Oceano Dunes. Working for prime contractors on behalf of the California Department of Parks & Recreation, the selected provider will utilize Clethodim and Glyphosate to achieve verified eradication of these targeted invasive species. A critical environmental requirement of the project is the ability to identify and protect the endangered Nipomo Mesa lupine. Qualified bidders must possess a valid California pest control business license along with QAL licenses for categories A, B, C, D, and F. The project is located in San Luis Obispo and falls under NAICS code 561730. Interested parties must submit their responses by the deadline of December 4, 2026.

California Department of Parks & Recreation

POSTED

DEADLINE

Iredell County Snow Plowing Services

Solicitation # 27-455-RFP-03

Iredell County is soliciting bids for snow plowing services under solicitation number 27-455-RFP-03 to ensure safe public access and operational continuity at various county facilities. The contractor is responsible for providing all labor, equipment, and materials to remove snow and ice, with a requirement that surfaces be clear and safe by 7:45 A.M. on business days. The scope includes standard removal for 2-4 inches of accumulation and alternate removal for 5-8 inches, with a mandatory response time of two hours following notification. Optional services for sidewalk clearing and salt preparation are also available. Performance locations span multiple sites in Statesville, Harmony, and Troutman, including the Government Center, Public Safety, and various EMS bases. Bids must be submitted via the OpenGov Procurement Portal by 3:00 PM on November 20, 2026. Awards will be granted to the lowest responsible, responsive bidder based on a combination of pricing, experience, equipment quality, and the ability to meet response times. Applicants must provide a detailed pricing schedule, a summary of qualifications, a copy of their snow removal policies, and three to five professional references. Required certifications include the Iran Divestment Act eligibility. Contractors must maintain comprehensive insurance, including $2,000,000 in general liability and $1,000,000 in automobile liability, with all policies written on an occurrence basis and insurers maintaining an A.M. Best rating of at least A-.

Facility Services Director

POSTED

DEADLINE

Landscaping and Erosion ControlThis subcontract for Landscaping and Erosion Control involves providing site stabilization and restoration services for prime contractors working on municipal projects within the City of Taylor. The scope of work includes the installation of temporary erosion and sediment control measures, as well as the execution of seeding, sodding, and planting activities to ensure the delivery of stabilized soil and restored vegetation. The project is categorized under NAICS code 561730 and is managed through the Michigan Procurement agency. Interested parties must submit their responses by the deadline of December 14, 2026.

POSTED

DEADLINE

Landscape Material SupplyThis subcontract for Landscape Material Supply supports prime contractors working on Rhode Island Airport Corporation facility projects under the Infrastructure / Capital Projects agency. The scope of work involves the delivery of certified bulk landscaping materials, specifically RIDOT L01 loam, RIDOT M18 mulch, washed 2-4 inch decorative river stone, and various nursery stock including trees and perennials as defined by the project planting schedule. All provided materials must strictly adhere to the RIDOT Approved Materials List standards. The solicitation was posted on November 6, 2026, with a response deadline of December 18, 2026. The contract falls under NAICS code 561730 and requires the delivery of all specified materials directly to the designated airport project sites.

Infrastructure / Capital Projects - CIP

POSTED

about 19 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract for the Maryland Department of Transportation involves providing Erosion and Sediment Control (ESC) specialist services for salt structure projects in District 1. The selected provider will be responsible for the installation, maintenance, and monitoring of erosion and sediment control measures, including the excavation of sediment traps and the installation of sump pits and portable sediment tanks. A critical component of the scope is the management of heavy use areas and the continuous monitoring of turbidity to ensure that all dewatering discharges remain below 150 NTU. To qualify for this engagement, the contractor must provide a certified ESC Manager and a Superintendent. The primary deliverables include a fully compliant ESC system and detailed turbidity monitoring reports. This opportunity falls under NAICS code 561730 and is specifically designed to support prime contractors in meeting environmental compliance standards for MDOT projects.

General Info

ESC specialist services for MDOT District 1 salt projects, focusing on turbidity monitoring.

Agency

Maryland → MARYLAND-DOT

NAICS

561730 - Landscaping Services

Place of Performance

District 1, MD, USA

Set-Aside

NONE

Documents

This scope was carved out of XZ7115129SB.

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

View the prime solicitation

Call 404 XZ7115129SB

AI Contract Breakdown

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Timeline

PhaseClosed

PostedOct 15

subcontract

Response DeadlineOct 15

Deadline has passed

Submission Closed

10/15/2026, 12:00:00 PM EDT

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Organization & Contact Information

AgencyMaryland → MARYLAND-DOT

ContactsNo contacts available

OfficeN/A

Organization / AgencyMaryland → MARYLAND-DOT

Office AddressN/A

ContactsNo contact information available

Full Description

Performs installation, maintenance, and monitoring of erosion and sediment control measures for prime contractors on MDOT salt structure projects. Excavates sediment traps, installs portable sediment tanks and sump pits, and manages heavy use areas. Monitors turbidity to ensure dewatering discharges stay below 150 NTU. Requires a certified ESCM and Superintendent. Delivers a compliant ESC system and turbidity monitoring reports.