A construction cost estimator generates itemized project cost breakdowns using regional labor rates, material prices, and permit fees. In 2026, construction costs range from $150-$400/sq ft for residential work and $250-$600/sq ft for commercial, varying by city, trade, and project type. BuildStackHub's AI estimator uses RSMeans City Cost Data 2024, current material prices with tariff adjustments, and BLS regional labor rates to produce line-item estimates in 60 seconds — grounded in the same data professional estimators use.

AI-Powered · RSMeans 2026 Data · Tariff-Adjusted Pricing

Get a detailed AI cost estimate
for your project in 60 seconds

12–20 line items across labor, materials, equipment, and permits. Benchmark against 2026 RSMeans data across 51+ US cities. Tariff-adjusted for current steel, copper, and HVAC pricing.

RSMeans 2026 benchmarks
Regional labor rates
2026 tariff-adjusted materials
51+ US cities
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Project Type
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Details
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Scope

What type of project is this?

Select the category that best describes your project.

New Home
Single family, custom, spec
Renovation
Kitchen, bath, addition
Commercial
Office, retail, restaurant
Multi-Family
Apartments, condos
Industrial
Warehouse, manufacturing
TI / Fitout
Tenant improvement

Why This Estimate Is Different

ChatGPT gives you a guess. We give you an estimate grounded in the same data professional estimators use.

RSMeans Benchmarks

Cost-per-sqft ranges by project type and region, sourced from RSMeans City Cost Data 2024 and Dodge Construction Outlook. Calibrated to current market conditions.

Regional Labor Rates

Prevailing wage rates by trade and metro area from BLS OES data. Includes full burden rate (taxes, insurance, benefits) — not just the bare wage. Covers 15+ major metros.

Tariff-Adjusted Materials

2026 import tariffs applied to steel (+25%), copper (+7.5%), HVAC (+10%), and other affected materials. Every tariff-impacted line item is flagged with the exact dollar impact.

Permit Fee Database

Building permit fee schedules for 20+ jurisdictions. Accurate permit estimates by city — not a generic 1% rule. Covers top US metros with verified fee formulas.

Data Gets Smarter

As contractors complete projects on BuildStackHub, real actuals feed back into the benchmark data. Month 1: industry data. Month 24: cross-contractor intelligence.

Bid-Ready PDF

Full report includes a professional bid package — formatted with scope of work, payment terms, exclusions, and validity period. Ready to attach to a client proposal.

Frequently Asked Questions

How accurate is the AI cost estimate? +
Our estimates are grounded in RSMeans City Cost Data 2024, BLS regional labor rates, and current material prices with tariff adjustments. Typical accuracy is ±15–25% — appropriate for budget-setting and client conversations, not for final bids. Always verify with subcontractor quotes before submitting a hard bid.
What does the $199 full estimate include? +
The full estimate includes 12–20 line items across all trade categories, a professional bid package formatted for client presentation, tariff impact analysis showing exactly which materials are affected and by how much, a regional comparison vs. local market averages, permit fee estimate, downloadable PDF, and a 30-day validity period with exclusions.
How is this different from a standard cost calculator? +
A cost calculator applies a single $/sqft multiplier to your square footage. Our AI estimator uses curated regional data: actual prevailing wage rates by trade and metro area, current material prices with 2026 tariff adjustments, RSMeans cost-per-sqft benchmarks by project type, and jurisdiction-specific permit fee schedules. The result is a unique estimate for your specific project, not a formula.
How do tariffs affect my construction estimate in 2026? +
Current tariffs add 25% to structural steel (Section 232), 7.5% to copper wire and plumbing fittings (Section 301), and 10% to HVAC equipment (tariffs on refrigerants and imported components). For a typical 2,000 sqft house, tariff impacts can add $8,000–$22,000 to the budget. Our estimator flags every tariff-affected line item and shows the exact dollar impact.
Can I use this estimate in a client proposal? +
The free preview is for internal use only. The full $199 report includes a formatted bid package designed to be presented to clients — with scope of work, payment terms, exclusions, and a 30-day validity period. It is clearly labeled as an AI-generated budget estimate, not a final contracted price. Always include the appropriate professional disclaimers.

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