Win the Bid.
Protect the Margin.
Expert construction estimation for contractors who value precision over guesswork. One wrong number loses the contract — our certified estimators make sure yours never does.
Precision in
Three Steps
The fastest path from plans to a winning bid — handled by certified experts so you can focus on the job.
Upload Your Plans
Securely share your architectural and engineering drawings — PDFs, CAD, Bluebeam files, all formats accepted.
Expert Audit & Takeoff
CSI-certified estimators perform a meticulous quantity takeoff — every line item, every material reviewed twice.
Receive Your Estimate
Get a detailed, formatted bid package in 48 hours — ready to submit, complete with scope breakdowns and unit pricing.
Every Trade.
Every Division.
From concrete to controls, we estimate all CSI divisions with the depth that wins contracts.
Eliminate Profit-Killing Errors
Stop losing margin to missed quantities. Our certified takeoffs account for every board-foot, every linear foot, every unit — leaving nothing on the table and nothing unpriced.
Get a Takeoff →Stop Bid Errors Before They Start
Inaccurate cost models destroy bids before they're submitted. We build detailed, RSMeans-backed estimates with real labor and material data — calibrated to your market.
Get an Estimate →Never Miss a Deadline Again
Scope blowouts start with bad schedules. We deliver critical-path timelines with phased milestones so your bid reflects reality — and your project finishes on time.
Get a Schedule →General Contracting
Full-scope estimates including overhead, markup, bonds, and insurance.
Electrical
Conduit, wire, panels, gear, lighting, fire alarm, and low-voltage systems.
Mechanical / HVAC
Ductwork, piping, equipment, VAV systems, and controls with labor splits.
Plumbing
Rough-in, DWV, water service, fixtures, water heating, and medical gas.
Concrete & Masonry
Footings, slabs, tilt-up, CMU, rebar, formwork — volume-accurate takeoffs.
Roofing
TPO, EPDM, metal standing seam, flat roof systems, shingles, and flashing.
Drywall & Framing
Metal stud framing, drywall, tape, finish levels, and acoustical ceilings.
Sitework & Civil
Grading, excavation, utilities, paving, landscaping, and demolition.
Yellowstone
vs. The Rest
Every estimate is a high-stakes decision. Compare what you get with precision estimating vs. going it alone.
| Feature |
Yellowstone
|
Manual / In-House |
|---|---|---|
| Accuracy Rate | ✓ 98% Certified Accuracy | ✗ 65–75% (manual error risk) |
| Turnaround Time | ✓ 48 hours guaranteed | ✗ 5–10 business days |
| Scope Coverage | ✓ All CSI divisions covered | ✗ Gaps & missed items common |
| Audit Documentation | ✓ Full audit-grade backup | ✗ Minimal or none |
| Software Integration | ✓ Bluebeam, RSMeans, PlanSwift | ✗ Excel spreadsheets only |
| Estimator Credentials | ✓ CSI-certified professionals | ✗ Uncertified, variable skill |
| Bid Revision Support | ✓ Included with every estimate | ✗ Costly and time-consuming |
| Profit Protection | ✓ Margin secured every bid | ✗ Profit leaks go undetected |
A single missed scope item can cost you $50,000+ in unbilled work. Don't let that be your bid.
Protect My Next Bid →One Wrong Number
Can Cost You
Everything.
Contractors who rely on rough estimates lose more than the bid — they lose reputation, margin, and momentum.
Without Yellowstone
- Lose bids due to bloated, inaccurate numbers
- Days wasted doing manual takeoffs yourself
- Underbid projects and destroy your margins
- No backup when your estimate gets challenged
- Miss scope items that silently kill your profit
- Scramble to re-estimate at the last minute
With Yellowstone
- Precision-calibrated bids that win contracts
- 48-hour expert takeoffs — save 20+ hours/week
- Certified accuracy protects your profit margin
- Audit-grade documentation for every estimate
- Full scope coverage — nothing missed, nothing left
- Scalable capacity — bid more jobs simultaneously
Contractors Who
Trust the Numbers
"Yellowstone turned our bid success rate from 25% to over 60% in one quarter. Their estimates are air-tight and our GC trusts every number on the page."
"The 48-hour turnaround is real. We got a massive hospital project estimate back in 36 hours — complete, detailed, formatted exactly how our client needed it."
"We were leaving 15–20% margin on the table with loose estimates. Yellowstone found the gap and tightened everything up. First bid using their numbers — we won it."
Ready to Start
Winning More?
Submit your project details and receive a comprehensive, audit-ready estimate within 48 hours — no obligation, no upfront cost.