Understanding and Managing Indirect Costs in Construction Projects

Joel Phillips • January 1, 2000
Yellow construction tools: drill, hard hat, level, hammer, toolbox, screw set on wood.
What Are Indirect Costs?
Overhead Costs
    _x000D_
  • Rent for office space
  • _x000D_
  • Utilities
  • _x000D_
  • Office Supplies
  • _x000D_
  • Storage for equipment
  • _x000D_
General and Administrative (G&A) Costs
    _x000D_
  • Salaries of non-project staff (e.g., operations and marketing personnel)
  • _x000D_
  • Accounting services
  • _x000D_
  • Other administrative expenses
  • _x000D_
Tools and Equipment
    _x000D_
  • Hammers, drills, and other small tools
  • _x000D_
  • Vehicles (including fuel and maintenance)
  • _x000D_
Site-Specific Costs
    _x000D_
  • Site Security
  • _x000D_
  • Specialized utility setups
  • _x000D_
Regulatory Compliance
    _x000D_
  • Permit fees
  • _x000D_
  • Inspection costs
  • _x000D_
  • Environmental, health, or safety standards compliance
  • _x000D_
Construction worker in a safety vest inspects rebar with a pen on a construction site.
Indirect Costs vs. Soft Costs
Soft Costs
    _x000D_
  • Architectural and engineering fees
  • _x000D_
  • Legal fees
  • _x000D_
  • Financing costs
  • _x000D_
Indirect Costs
Managing Indirect Costs
    _x000D_
  1. Identify All Indirect Costs
  2. _x000D_
    _x000D_
  1. Estimate the Indirect Cost Budget
  2. _x000D_
    _x000D_
  1. Determine an Allocation Method
  2. _x000D_
    _x000D_
  • Absorption costing
  • _x000D_
  • Allocation base
  • _x000D_
  • Activity-based costing
  • _x000D_
    _x000D_
  1. Include Contingency
  2. _x000D_
    _x000D_
  1. Review Periodically
  2. _x000D_
Two people at a desk reviewing project management software on a computer screen.
Technology in Managing Indirect Costs
hire-remote-aec-professionals.jpg
October 6, 2026
Learn how architecture, engineering, and construction firms hire remote professionals, choose nearshore or offshore talent, and keep control of the work.
AEC firm comparing outsourcing terms including EOR, PEO, BPO, and staffing
September 30, 2026
Outsourcing, EOR, PEO, and staffing overlap and confuse AEC firms. Here is what each term actually means for your business.
Photorealistic architectural rendering of created from BIM
September 22, 2026
See how ADDMORE turns 3Dmodels into photorealistic renderings and virtual fly-throughs that speed up approvals and client buy-in.