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Expense Recovery Calculator

Commercial leases pass operating expenses to tenants through expense recovery. Base year leases charge the tenant only for increases over a reference year; stop leases use a fixed threshold. This calculator runs pro-rata share, base year stop math, and adds the landlord's admin fee.

Reviewed byJulian Germanfor EveryCalcMethodology

Total recoverable expenses

Tenant SF

Building total SF

Base year stop / tenant share ($)

Admin fee %

Tenant expense reimbursement

$38,180

Pro-rata tenant share of expenses

$36,000

Expenses over base year stop

$33,200

Admin fee $

$4,980

Reimbursement / SF

$4.77

Tenant pro-rata share

20.00%

How the math works

Expense recovery passes recoverable operating costs to tenants on a pro-rata SF basis. Base year lease: tenant pays over base year expenses. Stop lease: tenant pays over a fixed stop. NNN lease: tenant pays 100%, no base. Admin fees (10-15%) are added to cover property accounting cost.

Audit rights let tenants verify recoverable costs. Always carve out capex, finance charges, and owner partnership expenses from recoverables — these are the biggest dispute categories.

Editorial noteReviewed by Julian German - Updated July 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Expense Recovery Calculator is built to give a quick, browser-based estimate for expense recovery. Commercial leases pass operating expenses to tenants through expense recovery. Base year leases charge the tenant only for increases over a reference year; stop leases use a fixed threshold. This calculator runs pro-rata share, base year stop math, and adds the landlord's admin fee. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the expense recovery result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this expense recovery estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter total recoverable expenses for the period.
Enter tenant SF and building total SF.
Enter base year stop or fixed expense stop amount.
Enter admin fee percent.
Read tenant reimbursement, over-base amount, and per-SF cost.

Frequently Asked Questions

Base year vs stop?

Base year = first year's expenses establish the tenant's 'expense stop' dynamically; subsequent years increase over that base. Fixed stop = a pre-set dollar amount, doesn't change year to year.

What's recoverable?

Typically property tax, insurance, janitorial, utilities, landscaping, security, elevator maintenance, CAM. NOT recoverable: capex, debt service, property management salaries, owner legal/accounting, marketing.

Admin fee purpose?

Covers the landlord's accounting, invoicing, and audit cost — 10-15% is typical on top of recoverable expenses. Some markets cap at 10%; others allow 15-20%.

Related Calculators

Common Area Maintenance Calculator

CAM.

CAM Reconciliation Calculator

CAM reconciliation.

Expense Stop Calculator

Expense stop.

Expense Reimbursement Calculator

Expense reimbursement.

Triple Net Reconciliation Calculator

NNN reconciliation.

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