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Planning tool

Tenant Improvement Budget Planner
Useful assumptions.

Create a preliminary build-out range and identify the assumptions that need validation.

Research-backed planning model

Tenant improvement 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$518,938–$1,043,280

$90–$181 per square foot

Gross project range$518,938–$1,043,280
Potential landlord contribution$0
Estimated tenant-funded range$518,938–$1,043,280
Principal drivers
  • Typical second-generation
  • General office
  • Standard office TI
  • Construction only
  • Standard commercial
  • General-use basis
Included in this range

Selected construction only basis, displayed contingency, market, starting condition, use type, scope, finish, and complexity.

Not included or requires validation

Allowance eligibility, lease reimbursement rules, financing, moving, and owner-direct items not included in the selected basis. Furniture, IT, AV, security, signage, and specialty equipment require separate validation.

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.