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Working notes on CAM reconciliation, NNN recoveries and commercial lease administration.

Explainers on CAM reconciliation, NNN expense recovery and commercial lease administration — written for owners and property managers who run recoveries against books kept in QuickBooks Online.

Most of it is mechanics rather than opinion: how a pro-rata share is derived, what a cap or a base year does to the arithmetic, where gross-ups come from, and how certificates and escalation dates end up driving the work. If you want to run the numbers, the CAM calculator does the arithmetic in your browser, and the reconciliation checklist is the step-by-step. Unfamiliar wording is in the glossary. If you are evaluating tools, start with CAM reconciliation software or how the accounting integration works.

CAM & recovery

CAM reconciliation and pro-rata share calculator

Run a CAM reconciliation from the expense pool to one tenant’s true-up, with the gross-up, pro-rata shares and three cap mechanics, on your own figures.

November 24, 2026 · 7 min

CAM & recovery

When a tenant disputes a CAM charge: how to respond

How a landlord’s accountant answers a tenant’s CAM dispute or audit request: the clause, the documents to send, the usual findings, and fixing a real error.

November 6, 2026 · 12 min

CAM & recovery

Recoverable vs. non-recoverable expenses: the list

The CAM exclusions list: what is usually recoverable, what is usually excluded, the gray areas argued every year with the test for each, and a worked example.

November 3, 2026 · 14 min

CAM & recovery

Gross-up clauses, explained with the arithmetic

What a gross-up clause does, which expenses it covers, the formula with a worked example, the base-year trap, and how to show it on the statement.

October 27, 2026 · 11 min

CAM & recovery

The CAM reconciliation checklist

A dated, numbered CAM reconciliation checklist from December accruals to statements sent, with what goes wrong at each step and the evidence to keep.

October 23, 2026 · 11 min

Accounting

A QuickBooks Online setup for CAM recovery

How to structure a QuickBooks Online company file so the CAM reconciliation can be pulled from it: entities, classes and locations, and the chart of accounts.

October 20, 2026 · 12 min

Leases

What Is COI Tracking in Commercial Real Estate?

How commercial property managers track certificates of insurance, monitor expiration dates, and keep tenant and vendor documentation organized and current.

August 24, 2026 · 4 min

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