Lease Audit Value Calculator

Sophisticated tenants regularly audit commercial pass-through charges.

Annual pass-through charges

Audit error rate %

Audit cost

Years in scope

Net recovery

$115,500

Gross error found

$127,500

Audit ROI

10%

How the math works

Gross = annual × error × years. Net = gross − audit cost. ROI = net ÷ cost.

$850k × 5% × 3 yrs = $127.5k gross − $12k audit = $115.5k net recovery, 963% ROI.

How to Use

Enter annual pass-through charges.
Enter audit error rate %.
Enter audit cost.
Enter years in scope.
Read audit recovery.

Frequently Asked Questions

Why audit commercial leases?

Commercial landlords allocate CAM (common area maintenance), real estate taxes, insurance, and utilities across tenants pro-rata. Errors run rampant — industry data shows 3-7% of charges are mis-allocated on average. Common errors: miscategorized capital vs expense, incorrect pro-rata calculation, improper inclusion of landlord-benefit items, gross-up errors (occupancy % missing), management-fee padding. Audits uncover these with 70-85% success rate.

Audit rights?

Most modern commercial leases give tenants 90-180 day audit rights post-year-end reconciliation. Must be exercised in writing. Usually tenant pays audit cost unless overbill exceeds threshold (typically 5-7%) — then landlord pays. Best practice: audit every 2-3 years on large leases, every 5 years on smaller ones. Waiving audit rights is costly; never sign leases without them.

What do audit firms charge?

Large firms (Hancock Askew, Walker & Dunlop Lease Audit, CEAR) charge $5-25k per audit or 30-50% contingency of recovery. Regional firms and CPA specialists run $3-10k flat fee. ROI is usually positive on leases >$500k/year in pass-throughs. Negotiate: lower rates for portfolio audits (5+ leases), hybrid flat fee + contingency structure, no-find no-pay contracts.

What about landlord-side perspective?

Landlords should preempt audits with annual self-audits. Standardize CAM methodology. Keep clean general ledger. Distinguish reimbursable vs non-reimbursable rigorously. Weak landlord accounting = refund liability. Institutional landlords (Prologis, Kilroy, Boston Properties) have internal CAM audit teams that reconcile quarterly. Sloppy landlords face tenant audits and forced refunds that damage relationships and lead to non-renewal.