OVERHEAD RATE

YOUR OVERHEAD RATE IS WRONG BY DESIGN.

QUICK ANSWER

Most subcontractors calculate overhead by dividing last year's overhead costs by last year's revenue. That's wrong for three reasons: the revenue base is stale, the cost categories are incomplete, and field costs that belong in job cost get included in overhead. The result is a number that's 5 to 15 points too low, baked into every estimate and compounding on every job you win.

The standard overhead target is 10 percent. Most subcontractors are at 25 to 42 percent and have no idea, because the number they use in every bid was built once a year off a denominator that was already out of date. That distance, 15 to 32 points, is what the wrong calculation costs on every job you price and win. It doesn't read as a bad month on the P&L. It reads as a busy year that ends with no money in the account and no obvious reason why.

BY JOSH LUEBKERPublished 2026-08-06Updated 2026-10-19
THE DEFINITION

WHAT IT MEANS.

An overhead rate is the percentage of revenue consumed by the cost of operating the business rather than the cost of building the work.

The rate is a pricing input. Every bid you send out includes it, and it is underneath the markup whether anybody checked it or not. A rate that's 8 points light doesn't cost you 8 points once, it costs you 8 points on every job you win for as long as the number goes unchecked.

WHAT WE SEE IN THIS BUSINESS

THE FOUR REASONS IT COMES OUT WRONG.

01

Stale revenue base

You divide last year's overhead by last year's revenue, and this year's revenue is different. If revenue grew 30 percent and overhead didn't change, the rate reads lower than it is. If revenue dropped, the rate reads higher. The denominator is always wrong because you're using history to estimate a forward cost structure. The overhead rate should be calculated on projected revenue rather than last year's actual.

02

Missing cost categories

The standard overhead list is rent, utilities, and insurance. What gets missed is owner salary priced at market value rather than what you pay yourself, benefits for office staff, software subscriptions, training, professional services, business taxes and licenses, vehicle costs for non field staff, and a scenario plan for the slow season. Most subcontractors are missing 20 to 35 percent of their true overhead in the calculation.

03

Field costs blended into overhead

Superintendent time that belongs to a specific job goes to overhead. Project management hours for a specific contract go to overhead. Equipment maintenance for a piece that only worked one job goes to overhead. When direct job costs get absorbed into overhead, the overhead rate is overstated and the job margins are understated. You're placing job costs inside overhead and reading a distorted picture of both numbers.

04

Never updated mid year

You added a PM in February. Office admin went full time in April. The workers comp renewal came in 12 percent higher in June. Each of those moved your true overhead rate. Most subcontractors calculate overhead once a year at tax time, so by June the rate is already wrong and every bid from February forward used the wrong number.

THE MATH

WHAT IT LOOKS LIKE IN DOLLARS.

The target against what we see

The standard overhead target is 10 percent. Most subcontractors are at 25 to 42 percent without knowing it. That distance, 15 to 32 points, is what the wrong calculation costs you on every job you price and win.

HOW TO BUILD THE RIGHT CALCULATION

THREE STEPS, IN ORDER.

Build the full cost list, not just the obvious ones

Fixed costs are rent, utilities, the lay down yard, and telecom. Staffing covers owner salary at market rate, the fractional CFO, in house accounting, and admin. Benefits go in for office staff only, because field benefits belong in job cost. Software and services covers accounting, the job costing platform, estimating software, the website, and IT. Equipment maintenance splits, with general upkeep to overhead and project specific damage to job cost. Then add business taxes, dues, and licenses, and add a scenario plan for the slow season when fixed costs don't drop with revenue.

Divide by projected revenue, not last year's

Use the revenue you expect to do this year, or better, a conservative estimate of it. If you project $6M and do $4M, your overhead rate was understated all year. It's always better to be slightly conservative on the revenue denominator than to underprice six months of bids.

Verify monthly, not annually

The overhead rate is a CFO level monthly task. Every time a cost component moves, whether that's a new hire, a software subscription, or a workers comp renewal, the rate updates before the next bid goes out. The published industry figures are Jones Maresca and Company's 8 to 15 percent total indirect cost for construction as a whole and CFMA's 11.8 percent SG&A across all respondents, and both describe the market rather than set a target. The rate for your trade and band is on /construction-overhead-rates-by-trade. When your rate rises above your own trade benchmark, the CFO works out what moved and whether it's a cost structure problem or a revenue base problem.

$10.7M+
Client AR Recovered Since 2023
48
Active Trade Specializations
60 DAYS
Average Onboarding Time
PRICING

FLAT MONTHLY FEE. NO SURPRISES.

Three tiers, priced by your trailing twelve month revenue. Which one you're in depends on how much of the work you want off your desk. No hourly billing. No payroll. The one-time onboarding fee is right here in the table.

Last 12 months revenueMonthly feeOne-time onboarding
Under $1M$1,900 to $3,300$1,000
$1M to $3.5M$2,600 to $5,300$1,500
$3.5M to $6.5M$3,800 to $8,300$3,000
$6.5M to $9.5M$5,100 to $11,800$4,500
$9.5M to $12.5M$6,100 to $14,900$6,000
$12.5M to $15.5M$7,400 to $17,650$7,500
$15.5M to $18.5M$9,400 to $22,400$9,000
$18.5M+Quoted individuallyQuoted individually

The onboarding fee covers migrating your books back to the start of your last taxable year and getting you fully operational in 60 days. It's billed once, with your first invoice. It's the same for all three tiers. Your first month is prorated, and your monthly engagement starts on the first of the first full month.

Range reflects the three tiers below. Which one you're in depends on how much of the work you want off your desk. No payroll. No hidden line items. The onboarding fee is right here in the table.

Core

You stop guessing.

You get the CFO work. Job costing built against the way you estimate, a 13 week cash forecast, monthly WIP, and a meeting every month that ends in decisions and never in a report.

Your bookkeeper still does the books.

Strategic

Every job shows its margin while it is still open.

Everything in Core, plus the bookkeeping and bank reconciliations done for you, and the job costing and WIP software set up, loaded with your cost codes, and managed every month. Use your own online software, or move to ours and we cover it.

A bookkeeper we choose does the books and reconciliations. No payroll.

Platinum

You approve, and the money side gets handled.

Everything in Strategic, plus a controller we choose who handles your bills and receivables for you the way an in-house controller would. They call vendors, pay the bills and keep the accounting current. We plan the cash flow first, and you approve every payment because it is your money.

A controller we choose does the payables and receivables. No payroll, no pay applications, no collections.

COMMON QUESTIONS

FREQUENTLY ASKED.

Three structural failures cause it. The calculation uses last year's revenue instead of projected revenue, it misses cost categories such as owner salary at market rate, benefits, and software, and it blends field costs that belong in job cost into overhead. Most subcontractors have 25 to 42 percent overhead and calculate 10 to 15 percent.

Fixed costs such as rent, utilities, and the lay down yard. Staffing including owner salary at market rate, the fractional CFO, and in house accounting. Office staff benefits belong here, while field benefits go to job cost. Then software subscriptions, professional services, business taxes, dues, vehicle costs for non field staff, and scenario planning for slow season fixed costs that don't drop with revenue.

Jones Maresca and Company's 2025 Performance Benchmarks put total indirect cost at 8 to 15 percent of revenue for construction as a whole, and CFMA's 2024 Construction Financial Benchmarker reports SG&A at 11.8 percent across all respondents. Your own trade at your own revenue differs, so read /construction-overhead-rates-by-trade for your figure. SPM sets an overhead target one point leaner than your trade's own average rather than picking a figure off an industry range. Being above the published range means either the cost structure is too heavy for the revenue base or revenue has dropped without a matching cost reduction, and most subs who measure honestly for the first time come out well above 15 percent. Coming in under it deserves scrutiny, because it often means costs are being coded to job cost when they belong in overhead.

Monthly, as a CFO level task. Every time a component moves, whether that's a new hire, a software subscription, or a workers comp renewal, the rate updates before the next bid goes out. Calculating overhead once a year at tax time means 11 months of bids use an outdated rate.

Three tiers, and which one you are in depends on how much of the work you want off your desk. Core is where you stop guessing: job costing built against the way you estimate, a 13 week cash forecast, monthly WIP, and a monthly meeting that ends in decisions, while your bookkeeper keeps doing the books. Strategic is where every job shows its margin while it is still open: a bookkeeper we choose does the books and the bank reconciliations, and the job costing and WIP software is set up and managed for you, on your own online software or ours. Platinum is where you approve and the money side gets handled: a controller we choose handles your bills and receivables the way an in-house controller would, and you approve every payment. No payroll. No scope gaps.
WHAT THIS TIES INTO
Josh Luebker, SPM The Construction CFO
Josh Luebker
FRACTIONAL CFO · SPM THE CONSTRUCTION CFO

Josh Luebker is a master electrician turned construction CFO, president of SPM The Construction CFO and author of CONTROL: C.F.O.S. Construction Financial Operating System.

WHAT OVERHEAD RATE IS IN YOUR LAST BID?

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