OVERHEAD RATE FOR EROSION CONTROL CONTRACTORS — WHAT IT SHOULD BE.
The target overhead rate for erosion control contractors doing $2M–$8M is 11–15%. Erosion control and SWPPP work is administratively intensive relative to its field scope — inspection scheduling, compliance documentation, BMP inventory management, and agency coordination all drive overhead higher than production trades. Most erosion control contractors have never formally calculated their overhead rate and are bidding significantly below their real cost structure.
Erosion control is a compliance-driven business. The administrative infrastructure required to run it correctly — inspection logging, corrective action tracking, agency communication, BMP documentation — is real overhead that belongs in the bid rate.
OVERHEAD BENCHMARKS FOR EROSION CONTROL CONTRACTORS.
Erosion control contractors typically run overhead at the higher end of the subcontractor range due to the compliance burden. The 11–15% target assumes a properly structured overhead calculation including owner salary at market rate and all administrative staff costs.
THE LINE ITEMS THAT PUSH OVERHEAD ABOVE TARGET.
Inspection Scheduling and Log Management
Erosion control contractors managing dozens of active sites carry significant scheduling overhead. Scheduling weekly inspections, tracking completion, managing corrective action timelines, and maintaining inspection logs requires consistent office staff time that belongs in overhead — not in any individual site’s direct cost.
Seasonal Crew Management
Erosion control has pronounced seasonality — intense activity during construction season, significantly reduced activity in winter. The cost of maintaining key crew members year-round when site activity slows belongs in overhead as a carrying cost. A superintendent or lead installer on salary during winter slow periods is overhead that winter project revenue cannot absorb.
Vehicle Fleet for Multi-Site Crews
Erosion control crews driving between 8–15 sites per week require reliable vehicles. Fleet costs — payments, insurance, fuel for inspection runs not charged to individual sites, maintenance — belong in overhead proportional to the time they are not on a billable task.
ONE SITTING. REAL NUMBER.
Free calculator: The CFOS overhead rate calculator walks through every line item and produces your real rate in about 10 minutes at constructioncfo.net/construction-overhead-rate-calculator-interactive
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