Guide · Updated November 14, 2026
How to keep boat maintenance records that help you sell
Most owners have a pile of receipts in a drawer and a vague memory of when the impeller was last changed. That’s fine until you sell. Then a buyer or surveyor asks for the service history, and a documented boat is an easier boat to trust. Here’s what to keep and how to keep it.
What to keep
- Service invoices and receipts, each with the date and the engine hours at the time.
- Routine engine work: oil and filter changes, impellers, lower unit service, fuel filters, belts and spark plugs.
- Haul-outs and bottom work: bottom paint, zincs, running gear and through-hull checks.
- Bigger jobs: repowers, rebuilds, rewiring, deck or transom repairs, with who did the work.
- Upgrades and equipment: electronics, batteries, canvas, trolling motors, with serial numbers.
- Surveys, oil analysis reports and compression test results.
- Manuals, warranties and the original paperwork for engines and equipment.
- Copies of your title and registration (kept private; see below).
How to organize it
- One log per boat. Each boat’s history should stay together and go with it when it sells.
- Write down the date and engine hours with every entry. Hours are how buyers and mechanics read a history.
- Photograph receipts the day you get them. Paper fades and gets lost.
- Log the small jobs too. A steady record of routine care says more than one big invoice.
- Set reminders by date or engine hours, so the record keeps itself current.
What buyers and surveyors want to see
- A steady history of routine maintenance, not just one big bill before the sale.
- Engine hours that climb sensibly over time and match the hour meter.
- Recent major work with receipts showing who did it.
- Past surveys and how any problems were fixed.
- Owner’s manuals and warranty paperwork for equipment that goes with the boat.
Share the history, not your personal details
A buyer should see the boat’s story: specs, engine hours, service history, surveys, manuals and warranties. They don’t need your title and registration copies, insurance, what you paid, or your trips and notes. Keep those private until closing, and share them only with the actual buyer.
Not sure what to do when? See our boat maintenance schedule, or how to sell your boat with records and an inspection.
Common questions
What maintenance records should I keep for my boat?
Keep every service invoice and receipt with the date and engine hours, routine engine work like oil changes and impellers, haul-outs and bottom work, major repairs and upgrades with serial numbers, surveys and oil analysis reports, and the manuals and warranties for the engine and equipment.
Do boat maintenance records affect resale value?
They help. Buyers and surveyors trust a boat with a documented history more than one without, and good records make it easier to justify your asking price and answer buyers’ questions.
Should I give a buyer copies of my title and receipts?
Share the boat’s service history, but keep personal information private: your title and registration copies, insurance, what you paid and your own notes. Share those only at closing, with the actual buyer.
What’s the easiest way to keep boat records organized?
Use one log per boat, record the date and engine hours with every entry, photograph receipts when you get them, and keep it all in one place you can share with a buyer as a single link.
Keep it all in one log
My Boat Logs keeps your maintenance log, receipts, documents, costs and reminders for each boat in one place. When you sell, one link shows a buyer the boat’s documented history, with your personal details removed. $39.99 a year per boat after a 14-day free trial.