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Browse all Maryland

#826411

Conduit and Fiber Optic Cable Installation at North County DES Stations, Caroline County, MD

The County Commissioners of Caroline County, on behalf of the Caroline County Department of Technology, are accepting contractor bids for theConduit and Fiber Optic Cable Installation at North County DES Stations. Work is generally described as follows: Installation of approximately two thousand two hundred (2,200) feet of one and one quarter (1.25) inch underground conduit with accompanying twelve (12) count fiber-optic cable. This proposal is for the underground installation and supply of 1 1/4 (inch) SDR HDPE conduit, including all necessary vaults, and pulling twelve (12) strands of County supplied fiber optic cable with vendor supplied 10 AWG solid core, continuous bond tracer wire along four (4) separate routes in northern Caroline County. All routes are in Ridgely, MD, Greensboro, MD and Goldsboro, MD. All routes will include installation of conduit, fiber, tracer wire, and necessary vaults. A Google Earth (.kmz) file will be provided to show approximate installation locations.
Post Date: 05/28/2026 Bid Date: 06/29/2026 Trades: Low Voltage Electrical Contractor (LVE) <91V: Electrician, Fiberoptic, Wire & Cabling, Telephone, Cable Television (TV), *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
#817301

Architectural and Engineering Services, Rockville, MD

The City of Rockville, Maryland is requesting proposals from qualified Architectural/Engineering (A/E) Services firms to provide comprehensive architectural and engineering services to include, but not be limited to: consultative and technical guidance; production of individual project scopes, design documents, construction documents, planning documents, specifications, project schedules and cost estimates; as well as, bid, award, project management, construction administration and inspection, monitoring and testing, policy and regulation development, training and public outreach support, data analysis, cost/benefit analysis, and permitting and report writing services on an asneeded basis.
Post Date: 04/03/2026 Bid Date: 06/30/2026 Trades: *A&E Architecture & Engineering: Design Services, Consulting & Planning: Professional, EOR Services, Feasibility Study
#825228

Environmental Restoration Services, Design-Build, Baltimore County, MD

Baltimore County, Maryland, Purchasing Division is seeking Proposals for Environmental Restoration Services, Design-Build. The Department of Environmental Protection and Sustainability (DEPS) requires on-call technical services for implementation of various environmental restoration projects to assist the County in meeting federal and state pollution reduction mandates in local waterways and the Chesapeake Bay. Work assigned under this contract may have constraints including but not limited to schedules, grant funding, scope, size, location or other circumstances that are suited for on-call task assignment.

Post Date: 05/21/2026 Bid Date: 06/30/2026 Trades: Environmental Consulting & Testing, Water & Air Quality & Ecological Stewardship, Compliance & Services, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors, Design/Build Contractor; Design/Bid/Build Entity (DBBE) or Design/Bid/Build (DBB)
#826892

Request for Qualifications from CMAR Services for the Carroll County Public Safety Training Center Phase II, Westminster, MD

The County Commissioners of Carroll County (hereinafter referred to as Owner) are soliciting a Construction Manager at Risk also commonly referred to as Construction Manager as Constructor (CMc) to perform typical pre-construction services and construction management as constructor services for the Carroll County Public Safety Training Center Phase II located in Westminster, Maryland. This solicitation is being issued through the public bid process administered by the Countys Office of Procurement. Please refer to Attachment No. 1, Request for Qualifications General Instructions for Construction for submittal procedures, policies, insurance requirements and bonding provisions.

Post Date: 06/01/2026 Bid Date: 06/30/2026 Trades: *At Risk Construction Management CMaR: Owner's Representative Services NIGP 925-44, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
#827687

Fullerton ES - HVAC, Open Space Enclosures and Roof Replacement, Nottingham, MD

The scope of work includes limited interior demolition, hvac replacement, and new interior fit out including but not limited to modifications to existing fire protection, fire alarm, plumbing, hvac, electrical and roof replacement as shown in the contract documents.

Post Date: 06/05/2026 Bid Date: 07/01/2026 Trades: HVAC Contractor: Heating Ventilating Air Conditioning & Controls, Duct Clean, Exhaust Systems, Air Handler/Air Chillers, RTU's
#827772

RFP Facility Preventative and General Maintenance Services IDIQ, Bethesda, MD

Total Small Business Set-Aside, 561210 - Facilities Support Services. The purpose of this solicitation is to provide comprehensive preventive maintenance, general maintenance, capital replacement, and repair services for critical facility systems at NIH Bio Safety Laboratories. For comprehensive preventive maintenance, general maintenance, capital replacement, and repair services for critical facility systems at NIH Bio Safety Laboratories. Services include, but are not limited to evaluation, preventative maintenance, and repair and/or replacement of facility systems. PoP 07/10/2026 to 07/09/2031.

Post Date: 06/06/2026 Bid Date: 07/03/2026 Trades: Building Maintenance, Installation & Repair Services: General Appliance Repair, Make Ready, Minor Renovations & Repairs
#826966

Replacement of Greenhouse Ridge Vent at Brookside Gardens Conservatory - South House, Wheaton, MD

The Maryland-National Capital Park and Planning Commission (Commission or M-NCPPC) is soliciting bids from qualified vendors to remove and replace the ridge vent drive components and install a fully enclosed ridge vent insect screening system at the South Conservatory, Brookside Gardens in Montgomery County, Maryland.

Post Date: 06/02/2026 Bid Date: 07/07/2026 Trades: Machinery and Pumps Contractor; Machinery Repair, Grapple Rebuilds, Motors & Variable Frequency Drives (VFD's), *General Building Contractor GBC: Building Construction, Enclosed Structures; Opportunities for Subcontractors, Roofing Contractor, Facia Board & Soffit Replacement, Gutters, Downspouts, Snow Guards
#824955

MWWTP Utility Water Piping & Valve Replacement (UN 1181), La Plata, MD

The Board of Commissioners for Charles County are hereby requesting sealed bids from qualified firms to replace and install utility water yard and tunnel piping, valves, hydrants, and appurtenances as shown on the Contract Documents, including replacement of approximately 540 linear feet (LF) of exposed piping and approximately. 26 underground valves throughout the Mattawoman Wastewater Treatment Plant.
Post Date: 05/20/2026 Bid Date: 07/08/2026 Trades: Pipeline Contractor: Water Mains, Sewer Lines, Septic Lines; CIPP Pipe liners, Pipe Inspection, Video & Robotic Cameras, Wastewater Treatment Plant/Facility Construction: Septage, WWTP/WRF/OSSF OnSite Sewage Treatment Station, Lift Station, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
#826823

Chip Seal Surface Treatment of Stafford Road, Caroline County, MD

The County Commissioners of Caroline County, on behalf of the Caroline County Department of Public Works is accepting proposals for the Chip Seal Surface Treatment of Stafford Road in Caroline County, Maryland. Specifications and standards are contained elsewhere in this proposal. Work is generally described as follows: The scope of this contract includes, but is not limited to: - Demolition and removal of specified culverts - Installation of replacement of specified culverts - Roadway base repair and roadway build-up, where required - Limited clearing - Application of four (4) courses of chip seal surface treatment - Stabilization of disturbed areas
Post Date: 06/01/2026 Bid Date: 07/09/2026 Trades: Road Improvements: Parking & Highway Improvements; Intersections, Roundabout, Median Construction - NAICS 237310, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors, Stormwater Drainage: Manholes & Valve Boxes, Ditches, Culverts, Shoulder Work, Grates, French Drains, Dewatering, Water Swales
#826838

Aerated Sludge Holding Tanks, La Plata, MD

The Board of Commissioners for Charles County seeks qualified contractors to prepare contract drawings and specifications, obtain all applicable permits, and provide construction engineering services for the proposed upgrades of the Aerated Sludge Holding Tanks. The existing Aerated Sludge Holding Tanks do not meet the Countys need for three days of storage capacity at 20 MGD ADF. This project aims to design upgrades for the Aerated Sludge Holding Tanks that will increase tank capacity to achieve this goal.
Post Date: 06/01/2026 Bid Date: 07/13/2026 Trades: *A&E Architecture & Engineering: Design Services, Consulting & Planning: Professional, EOR Services, Feasibility Study
#826869

Crownsville Memorial Park Sewage Pumping Station and Force Main & Wastewater Treatment Plant Decommissioning, Anne Arundel County, MD

The Work includes the following major items: A new Crownsville SPS P588412 which includes: Demolition of an existing SPS and the construction of a new 555 GPM wet-pit submersible SPS including, but not limited to precast structures; sewage pumps, piping and valves; flowmeter; sewage grinder; odor control system; precast concrete control building; ventilation equipment; electrical switchgear, transformers & service and distribution equipment; lighting; instrumentation & control equipment; VFDs; emergency generator and transfer switches. A new Crownsville FM, which includes: Construction of an approx. 20,350 LF, 8-inch DR 11 HDPE sewer FM and associated items; and Add/Alternate Bid Item for the decommissioning of the existing WTP.

Post Date: 06/01/2026 Bid Date: 07/14/2026 Trades: Wastewater Treatment Plant/Facility Construction: Septage, WWTP/WRF/OSSF OnSite Sewage Treatment Station, Lift Station, Sewer Pump System, Sewer Connection, Septic System Contractor: OnSite Sewage Facility (OSSF), *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
#821542

Snow Removal and Deicing Services, On Call, Baltimore Co., MD

Baltimore County is seeking contractors to provide snow removal and deicing services for County roadways at the direction of the Bureau of Highways. Each contractor will provide all vehicles, including plow and spreader, drivers, and related equipment required for plowing and salt application, as per the specifications. Salt is to be provided by the County. All vehicles must be titled and insured under the bidder's business or subsidiary. A current Certificate of Insurance for each vehicle must be included with the required forms. Bidders must be available throughout the snow season, which is the annual period from November 1 through April 30 of the following calendar year.
Post Date: 04/29/2026 Bid Date: 07/15/2026 Trades: Snow Removal Services & Maintenance; Salt or Salting; Plowing; Sanding - NIGP 775-45
#827626

Anacostia II WWPS Electrical Updates, Capitol Heights, MD

The Washington Suburban Sanitary Commission, MD (the "WSSC"), is soliciting sealed responses for Anacostia II WWPS Electrical Updates. Project work includes the replacement and upgrade of the Anacostia II Wastewater Pumping Station Electrical system. The project involves various electrical and substation upgrades including, but not limited to: Replacement of multiple large, medium voltage transformers Replacement of two switchgear line ups and IPA Enclosures Replacement of the 13.8kV switchgear including associated electrical protection systems, data transmission of monitoring, metering, and alarm signals to Parkway WRRF SCADA system Replacement of the 4.16kV switchgear including associated electrical protection systems, data transmission of monitoring, metering, and alarm signals to Parkway WRRF SCADA system New backup battery system(s) Associated ducts / underground feeders and associated cables New electrical manholes Providing HVAC in both the 13.8kV and 4.16 kV IPAs Structures and foundations for 13.8kV and 4.16kV switchgear Structures and foundations for all transformers New paving Stormwater Control Devices Provision of temporary power Any associated auxiliary equipment.
Post Date: 06/05/2026 Bid Date: 07/15/2026 Trades: High Voltage Electrical Contractor (HVE): Electrician, Power Lines; Substation, Switchgear, Transmission/Power Lines, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors, Supervisory Control & Data Acquisition (SCADA): Real-Time Data Utility Automation, Controllers/Timing, Remote Terminal Unit RTUs
#827678

Manhole and Wet Well Rehabilitation, Frederick County, VA

This Request for Proposals is issued by the County to obtain Manhole and Wet Well Rehabilitation (using an epoxy coating system) and related services for the County Sanitary Sewer System. The concrete structure of our sanitary sewer manholes and wet wells in our wastewater system are deteriorating due to high levels of hydrogen sulfide. This rehabilitation service shall consist of, but not be limited to, cleaning, repairing and coating with Protective Coating Material-PCM, which is resistant to hydrogen sulfide. The successful offeror shall perform the required work at the time and place designated by the County. The contract is intended to be open ended with the potential to assign multiple projects over the course of the next fiscal year. Actual quantities for individual project assignments will vary but, we anticipate an estimated 300 vertical feet of manholes to be completed within the first year of the contract. This is not a guaranteed amount. The County reserves the right to add or delete from this total. Completion dates for individual project assignments shall be negotiated between the County and Contractor.
Post Date: 06/05/2026 Bid Date: 07/15/2026 Trades: Stormwater Drainage: Manholes & Valve Boxes, Ditches, Culverts, Shoulder Work, Grates, French Drains, Dewatering, Water Swales, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
#824485

Architecture/Engineering (A/E) Services for Historic Concord Manor – Preservation, Rehabilitation, and Infrastructure Improvement, Capitol Heights, MD

The Maryland-National Capital Park and Planning Commission (M-NCPPC) is soliciting proposals from highly qualified consultant teams to provide architectural and engineering services (A/E) services for Historic Concord Manor Preservation, Rehabilitation, and Infrastructure Improvement. The Project generally includes the upgrade of all site utility services, new accessible and staff only parking, rehabilitation of the buildings damaged or deteriorated wood, plaster, masonry and paint throughout. This RFP also covers the development of the existing rooms, as described in the preliminary program document, interactive and visual gallery spaces, offices spaces, and small meeting rooms.
Post Date: 05/18/2026 Bid Date: 07/17/2026 Trades: *A&E Architecture & Engineering: Design Services, Consulting & Planning: Professional, EOR Services, Feasibility Study
#827635

Enterprise Golf Course Sand Bunkers, Mitchellville, MD

The Maryland National Capital Park and Planning Commission, Prince Georges County Department of Parks and Recreation, is soliciting bids from qualified contractors for installation of sand bunkers at the Enterprise Golf Course located at 2802 Enterprise Road, Mitchellville, MD 20721.

Post Date: 06/05/2026 Bid Date: 07/28/2026 Trades: *Landscaping Contractor & Groundskeeping, Xeriscaping, Hardscaping, Weed Control Grubbing Sodding Lawn Mowing Mulching, Light Grading & Excavation, *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
#820346

Hauling and Disposing Sewage Sludge, Calvert Co., MD

It is the purpose of this ITB for Calvert County Government to contract with a qualified Contractor to provide all labor, materials, equipment, incidentals, and supervision necessary to provide hauling and disposing of sewage sludge from the Solomons Wastewater Treatment Plant. The Contractor shall provide hauling, storage, and final disposal of domestic sewage sludge (Class B) brought in daily from two (2) plants for transportation and disposal to a permitted Subtitle D landfill disposal site. The sewage sludge generation site location is: Solomons Wastewater Treatment Plant, 500 Sweetwater Lane, Lusby, Maryland 20657.
Post Date: 04/22/2026 Bid Date: 05/08/2026 Trades: Trucking, Hauling: Dump Truck Services, Relocation of Goods (Including House Moving) & other Freight Services NIGP 962-86, Hazardous Waste Transportation, Disposal or Treatment Services (HAZ): Disposal Facility Required NAICS 562211
#820518

Vacant Unit Renovations - 3 Units at Cherry Hill Homes, Baltimore, MD

The Contractor shall supply all labor, material, supervision, equipment, insurance, permits including U&O (Unit of Occupancy Permit) and all other incidentals required to complete the work items listed below as requested by HABC, in accordance with all applicable federal, state and local regulations: Vacant Unit Renovations - 3 Units at Cherry Hill Homes. Work may include, but not be limited to: general construction, bathrooms, kitchen, mechanical/plumbing, electrical, doors and windows, painting/drywall repair, flooring.

Post Date: 04/23/2026 Bid Date: 05/08/2026 Trades: *General Building Contractor GBC: Building Construction, Enclosed Structures; Opportunities for Subcontractors, Mechanical Contractor: MEP Contractors (Combined Mechanical, Electrical, Plumbing, HVAC, Fire Suppression Trades), Floor Covering and Flooring Contractor, Including Carpet, Wood, Marble, Tile, Ceramic, Linoleum, Vinyl, Glass & Glazing Contractor: Glass Tinting, Glass Door, Window Installations, Repairs & Replacements, Painting Contractor: Exterior/Interior Finish, Decorating; Interior Wallpaper & Wall Coverings
#821007

Vacant Unit Renovations - 1 Unit at Gilmor Homes, Baltimore, MD

The Contractor shall supply all labor, material, supervision, equipment, insurance, permits including U&O (Unit of Occupancy Permit) and all other incidentals required to complete the work items listed below as requested by HABC, in accordance with all applicable federal, state and local regulations: Vacant Unit Renovations - 1663 Vincent Ct.. Work may include, but not be limited to: general construction, bathrooms, kitchen, mechanical/plumbing, electrical, doors and windows, painting/drywall repair, flooring.
Post Date: 04/27/2026 Bid Date: 05/08/2026 Trades: *General Building Contractor GBC: Building Construction, Enclosed Structures; Opportunities for Subcontractors, Mechanical Contractor: MEP Contractors (Combined Mechanical, Electrical, Plumbing, HVAC, Fire Suppression Trades), Glass & Glazing Contractor: Glass Tinting, Glass Door, Window Installations, Repairs & Replacements, Floor Covering and Flooring Contractor, Including Carpet, Wood, Marble, Tile, Ceramic, Linoleum, Vinyl, Painting Contractor: Exterior/Interior Finish, Decorating; Interior Wallpaper & Wall Coverings
#821008

Vacant Unit Renovations - 2 Units at Latrobe Homes, Baltimore, MD

The Contractor shall supply all labor, material, supervision, equipment, insurance, permits including U&O (Unit of Occupancy Permit) and all other incidentals required to complete the work items listed below as requested by HABC, in accordance with all applicable federal, state and local regulations: Vacant Unit Renovations - 2 Units at Latrobe Homes. Work may include, but not be limited to: general construction, bathrooms, kitchen, mechanical/plumbing, electrical, doors and windows, painting/drywall repair, flooring.

Post Date: 04/27/2026 Bid Date: 05/08/2026 Trades: *General Building Contractor GBC: Building Construction, Enclosed Structures; Opportunities for Subcontractors, Mechanical Contractor: MEP Contractors (Combined Mechanical, Electrical, Plumbing, HVAC, Fire Suppression Trades), Floor Covering and Flooring Contractor, Including Carpet, Wood, Marble, Tile, Ceramic, Linoleum, Vinyl, Painting Contractor: Exterior/Interior Finish, Decorating; Interior Wallpaper & Wall Coverings, Glass & Glazing Contractor: Glass Tinting, Glass Door, Window Installations, Repairs & Replacements