$5B+ in annual federal plumbing and mechanical maintenancePlumbing & Mechanical

Government Plumbing Contracts

Researched by the BidStride Research Team

Overview

Plumbing, HVAC, and mechanical contracting in the government sector represents a stable, recurring revenue stream rooted in the unavoidable maintenance needs of federal and public facilities. From routine plumbing repairs at VA hospitals to full HVAC replacements at federal courthouses, mechanical work is perpetual and broadly distributed across the government's facility portfolio.

Government plumbing contracts fall under construction NAICS code 238220 and are subject to Davis-Bacon Act prevailing wage requirements for plumbers and pipefitters — among the highest-paid prevailing wage classifications in most markets. Miller Act bonding applies to federal contracts exceeding $150,000. Many federal facilities also require contractors to follow specific engineering standards (VA Design Standards, UFC for DoD) that can increase the complexity of planning and execution.

The market is highly favorable for established licensed plumbing contractors. Work is local, competition is geographically constrained, and government clients represent reliable payers with no collections risk. Plumbing contractors who develop relationships with specific agency facilities and contracting officers often win recurring task-order work under IDIQ contracts that provide multi-year revenue visibility without constant re-competition.

Key NAICS Codes for Plumbing & Mechanical

Register these NAICS codes on SAM.gov to receive solicitation alerts and qualify for set-aside competitions in this industry.

NAICS CodeTitleView Details
238220Plumbing, Heating, and Air-Conditioning ContractorsDetails →
238290Other Building Equipment ContractorsDetails →
238210Electrical Contractors (cross-trade work)Details →

Typical Contract Size

Minimum
$5K
Median
$125K
Maximum
$1.5M

Reflects typical award range. Individual contracts may fall outside these values depending on scope and agency.

Top Federal Agencies

  • VA
  • GSA (PBS)
  • Army Corps of Engineers
  • NAVFAC
  • DoD (Installations)
  • USPS

Required Certifications & Clearances

Common Certifications

  • 8(a)
  • SDVOSB
  • HUBZone
  • WOSB

Security Clearance

Rarely (base access background checks required for military installation work)

Entry Difficulty

Low to Medium — licensure and bonding are key; competition is local

Common Set-Aside Programs

These set-aside programs appear frequently in plumbing & mechanical solicitations. Certifications give you access to pools with fewer competitors.

How to Get Started in Plumbing & Mechanical Contracting

  1. Ensure plumbing contractor license is current in all target states

  2. Register on SAM.gov with NAICS 238220

  3. Obtain surety bonding for contracts over $150K (Miller Act requirement)

  4. Research Davis-Bacon prevailing wage rates for plumbers and pipefitters in your counties

  5. Contact your local VA facility's contracting office — VA is the largest single buyer of plumbing services

  6. Pursue 8(a) or SDVOSB certification to access set-aside pools

Common Contract Types in Plumbing & Mechanical

Understanding the contract structure before you bid helps you accurately price risk and craft a compliant proposal.

  • Firm Fixed Price
  • IDIQ
  • Requirements Contract
  • Task Order

Frequently Asked Questions — Government Plumbing Contracts

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