The estimator career path, one step at a time

From takeoff to chief estimator

1. 1

   Estimating assistant or junior estimator

   You do takeoffs. Somebody hands you a set of drawings in Bluebeam or On-Screen Takeoff and you count doors, measure linear feet of wall, and trace every area of flooring and roofing. You also chase subcontractor bids by phone and email, log them in a spreadsheet, and pull plan sets off the bid portal. People judge you on accuracy and on whether you miss things. Leaving out a whole sheet of the electrical set is the classic rookie mistake, and you'll hear about it.

2. 2

   EstimatorThis guide

   You own a bid from invitation to submission. You read the specs, not just the drawings, write the scope sheets that tell subs what to include, level their numbers against each other, and build the estimate in ProEst, Sage Estimating or a heavily customized Excel workbook. You write the clarifications and exclusions that protect the company. You're judged on your hit rate and, more importantly, on whether the jobs you win make money once the project team gets them.

3. 3

   Senior estimator

   You take the big, messy jobs: hospitals, schools, occupied renovations, anything with phasing. You price early from schematic drawings where half the building isn't designed yet, and you sit in owner interviews to explain your numbers. You also check the junior team's takeoffs. The judgment call shifts from counting correctly to knowing what isn't on the drawings but will be built anyway.

4. 4

   Chief estimator or preconstruction manager

   This is where the path forks. On the estimating track, you run the department, decide which jobs to chase, set fee and contingency with the owners of the company, and sign off on every number that goes out the door. Plenty of estimators instead cross over to project management, where the same cost sense helps you run a job once it's won. Both routes are common. Pick based on whether you'd rather be in the office before the job or on site during it.

Skills that move you up a rung

Takeoff speed gets you hired, but reading specs and scoping subs is what gets you promoted.

Why bid day wears people down

The worst part of the job is the last few hours before a bid is due. Subs send their real numbers at the last minute on purpose, so nobody can shop their price. You'll have a room of people on phones, a whiteboard of plugs for trades that never bid, and a spreadsheet you're changing faster than you can check it. Then the bid goes in and you often lose.

Losing is normal. A good estimator loses most of the jobs they price, and that stings more than people expect. You'll spend a couple of weeks on a school renovation, know every door hardware set by heart, and watch it go to a competitor who forgot the abatement. The ones who last learn to let it go by the next morning, when a new plan set lands in their inbox.

The other hard part is being wrong in public. When a job you priced goes over budget, the project manager will pull up your estimate in the job kickoff meeting and point at the line. Good estimators ask for that feedback anyway. The turnover meeting, where you hand your estimate to the field team, is where you learn the most, and it's the meeting people most often skip.

On the plus side, you get to see how a building goes together before anyone breaks ground. You'll know which details cost real money and which ones only look expensive. That knowledge travels, which is why estimators rarely struggle to find the next job.

General contractor, subcontractor or owner side

Where you sit changes the work more than the title does. At a general contractor, you price the whole building, lean on subs for most of the numbers, and spend your time on scope gaps between trades. At a specialty subcontractor, such as a mechanical, electrical or drywall shop, you do your own detailed takeoff of labor and material, and your company's labor rates matter as much as anything on the drawings. On the owner or design side, you're usually called a cost estimator or cost consultant, and you check the contractors' numbers instead of producing them.

Subcontractor estimating is often the easier way in, because the scope is narrower and a shop will teach you its own system. It's also where you learn how work actually gets installed. General contractor estimating pays off later, once you can hold a whole building in your head.

What Estimator postings ask for