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Planning tool

Commercial Renovation Budget Planner
Useful assumptions.

Build an early planning range using area, finish level, site complexity, and contingency assumptions.

Research-backed planning model

Commercial renovation planning range

Adjust the known assumptions. Wider ranges reflect the uncertainty of early planning.

Cost basisMidwest / South-central preliminary planning assumptionsEffectiveJuly 2026ClassificationConceptual planning rangeAssumption set2026.07.1
Conceptual planning range$437,000–$912,870

$76–$159 per square foot

Construction range$380,000–$793,800
Contingency (15%)$57,000–$119,070
Conceptual project range$437,000–$912,870
Principal drivers
  • Moderate renovation
  • Typical
  • Standard commercial
  • Standard Regional Market
  • No small-project adjustment
  • General-use basis selected
Included in this range

Construction work represented by the selected scope, planning geography adjustment, site complexity, finish factor, small-project adjustment, and displayed contingency.

Not included or requires validation

Design fees, financing, furniture, technology, environmental remediation, utility-company charges, moving, owner-direct costs, and scope not represented by the selections.

Conceptual planning tool only. This is not a proposal, bid, quote, professional cost estimate, schedule commitment, financing offer, inspection, or guarantee. Actual outcomes can vary materially. Keystone must review the project and supporting information before providing project-specific guidance.

Planning estimate only.

Calculator results are conceptual ranges, not bids, guarantees, engineering opinions, or financial advice. Actual requirements depend on verified scope, existing conditions, selections, access, market pricing, design, and approvals.