Maryland · public record
HVAC and mechanical bids in Maryland
Solicitations from 255 public buyers, county by county, and the bid opening results once the sealed bids are read. Counties, cities and towns that post on their own sites, not only the state portal.
JanitorialLandscaping and groundsHVAC and mechanicalPest controlSecurity guard servicesPaving and concreteRoofingElectricalPlumbingPaintingWaste and recycling haulingElevator maintenanceFire protectionFencing, doors and glassAbatement and demolitionStormwater and sewer maintenance
26open now
34bid opening results with bidders and prices
255agencies watched in 24 counties
23HVAC and mechanical contracts expiring within 180 days
Open now
Mystic Harbour & Riddle Farm WTP HVAC Upgrades
Worcester County Government · IFB
Bids dueSep 17, 2026
(IQC) E-500-260-003 - Replace (9) Nine AHU Humidifiers at the Main Hospital - Cambridge, MD
Department of General Services · RFP BPM058339
Bids dueSep 18, 2026
HVAC And Humidifier Preventive Maintenance- Two Locations
Maryland State Archives · IFB BPM058583
Bids dueSep 21, 2026
On-Call HVAC Services- Rehab Maintenance
Housing Authority of Baltimore City · IFB PUR-1842-26
Bids dueSep 22, 2026
27C2 Liberty Elementary School Chiller Replacement and Orchard Grove Elementary School Chiller Relocation
Frederick County Public Schools · other BPM058647
Bids dueSep 24, 2026
27C2, Liberty Elementary School Chiller Replacement and Orchard Grove Elementary School Chiller Relocation
Frederick County Public Schools · other 297800
Bids dueSep 24, 2026
HVAC Preventative Maintenance- Multi-Locations
Department of Labor (Formerly DLLR) · IFB LABOR-FY2027-009
Bids dueSep 25, 2026
Notice to Residential Plumbers
Arundel Community Development Services, Inc. · IFB BPM058912
Bids dueSep 25, 2026
Latest bid openings
Mystic Harbour & Riddle Farm WTP HVAC Upgrades
Worcester County Government · opened Oct 2026
3 bidderslow $255,000
Countywide HVAC and Pipefitting Services and Repairs
Wicomico County Government · opened Jun 2026
0 bidderssee results
Preventative Maintenance of and Repairs and Installation to Boilers & Hot Water Generators
Anne Arundel County Public Schools · opened May 2026
1 bidderlow $2,180,272
HVAC Building Automation System Services
Anne Arundel County Government · opened Dec 2025
1 bidderlow $252,900
Plumbing and Installaton Repair
Calvert County Government · opened Oct 2024
4 bidderslow $52,750
HVAC Maintenance, Repair, Replacement and New Installation
Anne Arundel County Government · opened Aug 2024
2 bidderslow $378,365
By county
Allegany County
2 agencies watched
0 open0 bid opening results
Anne Arundel County
5 agencies watched
1 open14 bid opening results
Baltimore City
4 agencies watched
1 open0 bid opening results
Baltimore County
2 agencies watched
0 open0 bid opening results
Calvert County
2 agencies watched
0 open1 bid opening result
Caroline County
2 agencies watched
0 open0 bid opening results
Carroll County
4 agencies watched
0 open0 bid opening results
Cecil County
4 agencies watched
0 open0 bid opening results
Charles County
4 agencies watched
1 open0 bid opening results
Dorchester County
1 agency watched
0 open0 bid opening results
Frederick County
5 agencies watched
5 open0 bid opening results
Garrett County
1 agency watched
0 open4 bid opening results
Harford County
3 agencies watched
1 open0 bid opening results
Howard County
4 agencies watched
0 open0 bid opening results
Montgomery County
10 agencies watched
1 open3 bid opening results
Prince George's County
13 agencies watched
1 open0 bid opening results
Queen Anne's County
3 agencies watched
0 open0 bid opening results
Somerset County
1 agency watched
0 open0 bid opening results
St. Mary's County
3 agencies watched
1 open0 bid opening results
Statewide
171 agencies watched
12 open4 bid opening results
Talbot County
1 agency watched
0 open0 bid opening results
Washington County
5 agencies watched
1 open6 bid opening results
Wicomico County
3 agencies watched
0 open1 bid opening result
Worcester County
2 agencies watched
1 open1 bid opening result
Contracts coming up for rebid
HVAC and mechanical contracts in Maryland with a published end date in the next 180 days. The agency usually posts the rebid one to three months before.
- Emergency service to replace the HVAC unit that services the D... · Department of Public Safety and Correctional ServicesOct 31, 2026
- Plumbing Services, On-Call, Term Contract · Baltimore County GovernmentNov 5, 2026
- Plumbing Services, On-Call, Term Contract · Baltimore County GovernmentNov 5, 2026
- Emergency rental of one HVAC chiller for the Workforce Technology... · Maryland State Department of EducationNov 15, 2026
- HVAC Commissioning and Consulting Services · Frederick County Public SchoolsNov 30, 2026
- and 18 more, with the vendor holding each one, on the signed-in pages
See who bid, and at what price
Bid Opening customers see each bidder and price on the tabulations we hold, the contracts on file and when they end, who picked up the documents where a buyer lists them, and a fit score for new bids in their trades.