We Are Leaders In
ConstructionEstimating&TakeoffServices
Bid-ready cost estimates and quantity takeoffs, priced to your ZIP code and delivered in 24–48 hours.
We are committed to providing the best quality estimates, on time, every time.
Call us now+1 (XXX) XXX-XXXXExpert Estimators
Certified estimators and quantity surveyors with 25+ years of experience.
Quality Work
Dual-estimator review on every file, so your numbers are checked twice.
24/7 Support
Rush bids handled around the clock, with answers within minutes.
Experience
25 Years of Experience
Keystone is a professional construction estimating and engineering firm helping contractors, developers and suppliers win more bids with confidence. We deliver precise cost estimates, quantity takeoffs and material takeoffs for public, residential and commercial projects.
Our team of certified estimators, quantity surveyors, planners and engineers works across six countries, pricing every project with local labor and material rates.
- Certified estimators & QS
- ZIP-code local pricing
- Second-estimator QA
- NDA & confidential
Our Quality Services
From early design budgets to final bid submission, plus BIM, CAD drafting and CPM scheduling.
Cost EstimatingLine-item material, labor and equipment estimates priced to your ZIP code.Read More 
Quantity TakeoffMeasured quantities for every trade with color-coded drawing markups.Read More 
Residential EstimatingEstimates for custom homes, remodels, townhomes and multifamily projects.Read More 
Commercial EstimatingOffices, retail, healthcare, education and hospitality projects of any size.Read More 
Industrial EstimatingWarehouses, plants, energy facilities and heavy civil works.Read More 
CPM SchedulingBaseline schedules, updates and recovery plans in Primavera P6 and MS Project.Read More 
BIM ModelingLOD 300–400 Revit models, clash detection and coordination drawings.Read More 
Construction ManagementOwner's representation, site coordination, QA/QC and cost control.Read More Why Choose Keystone
Best In Industry
Trusted by contractors and developers on over 3,200 projects.
Award-Winning Accuracy
98% of estimates land within ±3% of final cost.
Happy Clients
92% of clients come back for their next bid.
Professional Staff
Engineers, QS and planners trained on Bluebeam, RSMeans, P6 and Revit.
Quality Assurance
A second senior estimator reviews every deliverable.
24/7 Turnaround
Standard 24–48 hours, with rush delivery when bids stack up.
Numbers That Speak
Software We Work In
- Bluebeam
- PlanSwift
- RSMeans
- Primavera P6
- Revit
- Trimble
- On-Screen Takeoff
- Xactimate
In-House Estimator vs. Outsourced
Hiring makes sense when you bid steadily all year. When bid volume rises and falls, outsourcing matches estimating capacity to your workload.
| Factor | In-house estimator | Keystone |
|---|---|---|
| Cost | Over $95,000 a year before software licenses, whether you have bids or not. | Quoted per project, so your cost follows your bid volume. |
| Software & tools | You buy and maintain takeoff and cost-database licenses. | No licenses to buy. We work in Bluebeam, PlanSwift, RSMeans, P6 and Revit. |
| Capacity at bid time | Limited to one person's hours. When several bids land, some get skipped. | Send more drawings when several bids land together, and keep bidding. |
| Turnaround | Depends on one estimator's current workload. | 24 to 48 hours on most projects, with a delivery date confirmed in your quote. |
| Quality check | Often one person checks their own numbers. | A second estimator reviews every estimate before it is released. |
For the Entire Building Lifecycle
Deliver competitive bids, on time and on budget
General contractors rely on our estimating services for accurate cost estimates that reduce uncertainty and strengthen bid strategy. We handle the takeoff volume your team cannot absorb in-house.
- Detailed quantity and material takeoffs by CSI division
- Trade coverage for concrete, MEP, framing and drywall
- Bid-ready estimates for public, commercial and residential
- Fast 24–48 hour turnaround for tight bid deadlines
Win more trade packages with precise takeoffs
Subcontractors get trade-only takeoffs priced with local labor and material rates, so you can bid more jobs without hiring.
- Single-trade takeoffs with color-coded markups
- Material lists ready for supplier quotes
- Labor hours by crew and phase
- Monthly plans for high bid volume
Know the real cost before you commit
Developers and owners use our budgets and feasibility estimates to decide early, compare contractor bids and control cost during construction.
- Conceptual and feasibility budgets
- Independent bid review and leveling
- Change order and payment review
- Earned value reporting for lenders
Design with live cost feedback
Design teams use our estimates at each stage, so the design stays within budget and value engineering happens early.
- Estimates at SD, DD and CD stages
- Value engineering alternates
- BIM model-based quantities
- Coordination drawings and clash reports
Plan your build or renovation with confidence
Homeowners get clear, easy-to-read estimates for new homes and remodels, ready for financing and contractor comparison.
- Room-by-room renovation estimates
- Lender-ready construction budgets
- Material and finish allowances
- Friendly walkthrough call included
Takeoffs Across Every CSI Division
Concrete Estimating
Footings, slabs, walls and rebar tonnage, with formwork broken out.
View scope DIV 04Masonry Takeoff
CMU, brick veneer, stone, mortar and grout with accessories.
View scope DIV 05Steel & Metals
Structural steel, joists, deck and misc. metals by weight.
View scope DIV 06Lumber & Framing
Studs, joists, trusses and sheathing in board feet.
View scope DIV 07Roofing & Insulation
Membranes, shingles, flashing and insulation by area.
View scope DIV 09Drywall & Finishes
Board, ceilings, flooring and paint, room by room.
View scope DIV 22/23MEP Estimating
Plumbing, HVAC and ductwork down to the fitting.
View scope DIV 26Electrical Takeoff
Conduit, wire, devices, panels and fixtures by floor.
View scopeFrom Drawings to Bid in Four Steps
- 015 minutes
Upload Drawings
Send PDF, DWG or Revit files, or a cloud link, with your bid date.
- 02Under 2 hours
Get a Fixed Quote
A senior estimator confirms the price and delivery date.
- 0324–48 hours
We Estimate & Verify
One estimator builds it, a second senior estimator checks it.
- 04Same day support
Receive & Win
Editable Excel, marked-up PDFs and a walkthrough call.
What Our Clients Say
Their concrete takeoff came within 1.5% of our final pour. We now send them every bid we run.
The P6 schedule and delay analysis helped us recover 46 days on a hospital project. Excellent team.
We went from bidding 4 jobs a month to 15 without hiring. Fast, accurate and always on time.
Send Your Plans. Get a Fixed Quote in 2 Hours.
Upload drawings and project details. A senior estimator replies with a fixed price and delivery date.
Quick fee estimate
Frequently Asked Questions
Have a specific requirement or a complex bid? Speak with a senior estimator.
Read All FAQsHow fast will I get my estimate?
Most estimates are delivered in 24–48 hours. Projects over 100,000 SF take 3–5 days. Rush 24-hour delivery is available.
What files do you need from me?
PDF plans are enough for most jobs. We also accept DWG, RVT and cloud links. Include specifications and addenda if you have them.
How accurate are your estimates?
Takeoff quantities are typically within ±2%, and every estimate is reviewed by a second estimator before delivery.
Which countries do you work in?
All 50 US states, the UK, UAE, Oman, Saudi Arabia, Australia and Pakistan, priced to each local market.
Is my information confidential?
Yes. We sign an NDA on request, store files privately and never share drawings or numbers with other bidders.