Termite & WDO

Year-End Bookkeeping Strategies for Termite, WDO and Pest Inspectors

Published August 10, 2026 · 6 min read · By the Inspection Authority team

Why year-end bookkeeping matters for inspectors

After a day in the field I don't want to spend nights wrestling with shoebox receipts. But the reality is: clean year-end books make tax prep easier, reduce surprises, and give you the confidence to grow. I'm a veteran inspector and I run through the same practical steps every December to close the year without drama.

My step-by-step year-end checklist

I use this checklist every year. Most tasks take an afternoon if you've kept decent records; if you haven't, expect more digging.

Task Why it matters Who should do it
Reconcile bank and credit card statements Catches missing deposits, duplicate charges, and fraud Owner or bookkeeper
Match mileage logs to calendar and deposits Maximizes deduction; supports audit trail Owner (field inspector)
Review Accounts Receivable & aging Find stale invoices; decide on write-offs Owner or bookkeeper
Count inventory and supplies Allocate cost of goods sold (pest chemicals, bait stations) Owner or tech
Adjust deferred revenue (prepaid service plans) Recognize revenue correctly Owner or accountant
Prepare 1099s and payroll reports IRS compliance Bookkeeper/CPA
Compile receipts and categorize Support deductions and asset purchases Owner

Concrete field examples and how I handle them

Here are the common situations I hit and the exact steps I take.

1) Mileage and trip verification

On a typical week I visit 15–20 structures. I rely on automatic GPS mileage tracking that runs in the background and timestamps trips. At year-end I export the mileage report, match trips to the calendar and to invoices. If a trip is personal, I mark it as nondeductible. For inspections that combine personal and business stops I split the trip by mileage and document purpose (e.g., "Client A - inspection; hardware store - supplies").

2) Prepaid pest service plans and deferred revenue

Many pest customers prepay multi-month plans. I treat those as deferred revenue when received and recognize them monthly as earned revenue. That means at year-end I reconcile the deferred revenue balance: subtract the amount earned this year, add new prepayments, and make a journal entry to move the earned portion into sales.

3) Inventory for termite/WDO supplies

I physically count chemicals, bait stations, and small tools. For items under my company capitalization threshold (I use $250), I expense them; for equipment above that, I add to fixed assets and track depreciation. If your business uses many small consumables, keep a running par-level spreadsheet so counting only takes 15–30 minutes.

4) Aging receivables and writing off bad debt

Go through unpaid invoices older than 90 days. Call the clients. If you can't collect, document your attempts and write off small amounts under your write-off policy. That improves your receivables turnover and cleans the P&L.

Tools and workflows that save me time

As an example, Inspection Authority is inspection software built by a Certified Master Inspector that combines home and termite/WDO work in one platform with offline-first mobile apps, AI-assisted PDF reports, CRM, scheduling, invoicing and online payments, automatic GPS mileage tracking, work authorizations with e-signature, and recurring pest-control service-plan billing. I mention it because having one place for reports, invoices, and mileage cuts my year-end reconciliation time dramatically. Plans start at $99/mo for Home Inspection Pro and $49/mo for the Termite/WDO module; they offer a 10-day free trial with no credit card required.

Year-end journal entries I never skip

Working with your CPA—what to prepare

Hand your CPA an organized packet: bank reconciliations, credit card reconciliations, mileage export, inventory count, list of fixed asset purchases (with receipts), payroll summaries, and a copy of your invoicing platform's year-end sales report. If you use an inspection app that exports P&L or invoice data, include that export. Having work authorizations and e-signed contracts handy speeds up verification for revenue recognition.

Quick tips to avoid common year-end headaches

Year-end bookkeeping doesn't have to be painful. A disciplined monthly routine plus automation for mileage, recurring billing, and invoice/payment matching will get you to January 1 with clean books and fewer surprises. Do the work now and next tax season will feel like a free weekend.

FAQs

Q: How should I track mileage for tax deductions?

A: Use automatic GPS mileage tracking that timestamps trips and lets you categorize business vs. personal; export the report to reconcile with your calendar and invoices.

Q: Do prepaid pest service plans need special accounting?

A: Yes. Record prepayments as deferred revenue when received and recognize revenue monthly as services are delivered so your P&L reflects earned income.

Q: What receipts should I keep for inspections and pest work?

A: Keep receipts for tools and equipment, chemicals, subcontractor invoices, mileage summaries, and any customer deposits. Attach photos of receipts to transactions and keep them for at least three years.

See it in the field, not a sales deck

Inspection Authority was built by a Certified Master Inspector who still inspects every week. Home inspections, termite/WDO reports, recurring pest-control billing, and true offline mode — in one app.

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Frequently asked questions

How should I track mileage for tax deductions?

Use automatic GPS mileage tracking that timestamps trips and lets you categorize business vs. personal; export the report to reconcile with your calendar and invoices.

Do prepaid pest service plans need special accounting?

Yes. Record prepayments as deferred revenue when received and recognize revenue monthly as services are delivered so your P&L reflects earned income.

What receipts should I keep for inspections and pest work?

Keep receipts for tools and equipment, chemicals, subcontractor invoices, mileage summaries, and any customer deposits. Attach photos of receipts to transactions and keep them for at least three years.