A good contractor thank-you letter is not a letter. It is a four-line card: the customer's name, the job you did at their address, one detail only your crew would know, and the first name of the person they dealt with. Send it after the job, again before the first season the work is tested, after a review and after a referral. Here are 22 you can copy.
Why send a thank-you card after a home service job?
Because the next job at that house is cheaper to win than any job at a new one, and a card is how they remember your name when the boiler fails. Homeowners take on around ten projects a year. The pro who is still on the fridge gets the call, the review and the neighbour.
Angi's 2025 State of Home Spending report found US homeowners spent an average of $12,472 on home projects in 2025 and completed an average of ten projects, up from nine. Maintenance spending rose to $2,041 per household and emergency repairs to $1,143 (Angi, via GlobeNewswire). Every one of those projects is a decision about whom to call.
Keeping a customer beats finding one. Harvard Business Review, citing Frederick Reichheld of Bain & Company, puts the cost of acquiring a new customer at five to 25 times the cost of keeping an existing one (HBR).
What should a thank-you for choosing us message say?
"Thank you for choosing us" is a fine start and a weak whole message. Follow it with their name, the job, the street or the room, one detail from the day, and what to watch for next. Sign with the first name of the tech or the owner. Leave out coupons and the list of other services you offer.
A useful last line is care advice: when to change the filter, how long the grout needs, what a new roof sounds like in the first storm. It shows you are still thinking about the house, and it gives them a reason to keep the card.
People worry the note will seem awkward. Research by Amit Kumar and Nicholas Epley found the opposite: people writing thank-you letters underestimated how positive recipients would feel and overestimated how awkward it would be (University of Chicago News).
Thank-you notes when the job is complete
Dear Mrs Patel, thank you for choosing us for the roof on Oak Lane. The crew says your lemonade was the best on the job this year. Watch the gutters after the first big storm and call if anything drips. Mike
Hi Daniel, the new furnace is in and the basement is finally quiet. Thank you for trusting us with it. Change the filter in March. Rosa, Brightline Heating
Dear Mr and Mrs Okafor, thank you for letting us into your kitchen for three weeks. The tile by the window was a puzzle and we enjoyed solving it. Keep the grout dry until Saturday. Tomasz
Hi Sarah, thank you for booking the deep clean before the move. The oven was a worthy opponent. Good luck in the new place. Ana
Dear Ms Chen, the leak under the bathroom is fixed and the ceiling will dry in a week. Thank you for calling us at 7am, and for the coffee. Dev, Hollis Plumbing
Hi James, the deck is done. Thank you for keeping the dog inside for four days. Give it two weeks before you oil it. Luke
Thank-you notes at the first season check
A second card before the first season the work is tested is the one competitors never send. For HVAC it is the first winter. For roofers it is the first storm season. For landscapers it is spring.
Dear Mrs Patel, your roof has its first winter coming. Thank you again for choosing us. If you hear anything odd in the first big storm, call me directly. Mike
Hi Daniel, it is almost a year since we fitted the furnace, so it is time for the first service. Thank you for being a customer. I will call next week to book it. Rosa
Dear Mr Alvarez, the AC we installed in May has its first real summer ahead. Thank you for trusting us with it. Filters are cheap. Heat waves are not. Kwame
Hi Priya, spring is here and the new lawn should be greening up. Thank you for choosing us last autumn. Mow high for the first month. Owen
Dear Linh and the Nguyen family, it has been six months since the bathroom was finished. Thank you again for choosing us. If the sealant has shrunk anywhere, we will fix it free. Tomasz
Thank-you notes for a review
BrightLocal's 2026 Local Consumer Review Survey found 85 per cent of consumers say positive reviews make them more likely to use a business, and 74 per cent look for reviews from the last three months (BrightLocal). A fresh review is worth a card.
Dear Mrs Patel, thank you for the review. The crew read it out in the yard on Monday and pretended not to be pleased. Mike
Hi Sarah, thank you for mentioning Ana by name in your review. She has it on her phone lock screen now. Marta, Sparkle Cleaning
Dear Mr Okafor, thank you for the kind review and the photo of the finished kitchen. It is a better picture than any we took. Tomasz
Hi Grace, thank you for taking the time to write about the emergency call. Three in the morning is not our favourite time, but you made it easy. Dev
Dear Mr Brooks, thank you for the honest review. You were right about the mess on day two, and we have changed how we cover floors. Luke
Thank-you notes for a referral
Dear Mrs Patel, thank you for sending the Hendersons our way. We are doing their roof next month, and yes, we will ask about the lemonade. Mike
Hi Daniel, thank you for telling your brother about us. His boiler is in and his basement is quiet now too. Rosa
Dear Ms Chen, thank you for recommending us to your neighbour at number 14. Same pipes, same fix, same good coffee. Dev
Hi James, thank you for passing on my number. Three decks on your street this summer. We should put up a sign. Luke
Dear Mr and Mrs Okafor, thank you for the referral to your daughter. We will look after her kitchen as we looked after yours. Tomasz
Hi Sarah, thank you for recommending us to your office. We are now cleaning four of your colleagues' flats. You deserve a commission. Ana
Should you ask for a review in the thank-you card?
Ask by text or email with a direct link, a day or two after the job, and keep the card for thanks. Most people who are asked do leave a review: BrightLocal found 83 per cent of those asked went on to leave one. A card that asks for a review reads as a form. A card that thanks them for one gets kept.
How do you send thank-you cards after every job?
Connect the tool that already knows the job is done, and let each finished job send a card. MailMyCard writes each card with a real pen on cardstock and posts it from Bangalore the day it is ordered. One card is $14.99 with delivery included. Volumes start at $8.99 a card for a pilot of 50 and go down to $3.49 a card at 5,000 or more.
- A Google Sheet can be watched, so each new row sends a card. If your office keeps a sheet of finished jobs, that is the whole set-up.
- Stripe: a card when a payment succeeds, so the final invoice triggers the thank-you.
- CRMs: one-click connections for HubSpot, Pipedrive, Zoho CRM, Attio, monday.com, Keap and Close.
- Zapier, Make and n8n: a card from almost any other job or field-service tool that can send a trigger.
- Schedules: a card every year on a date, such as the anniversary of the install, so the service reminder arrives before the season. The posting day is worked out for you so it arrives in time.
- An API and an MCP server for anything custom, in the developer docs.
Be realistic about post. Cards take 3 to 7 days within India, 7 to 14 days to the UK and Germany, and 8 to 15 days to the US, Canada and Australia. For a thank-you that is fine: a card that lands a week or two after the job arrives when the invoice has been paid and the mess forgotten. For service reminders, Schedules does the counting. The addresses come from your records, and our addressing guide covers the formats. Pricing for businesses is on the For business page.
What not to write in a contractor thank-you note
- "Valued customer." You were in their house. You know their name.
- A coupon for 10 per cent off. It turns thanks into a flyer.
- Your whole service list. They know what you do. You just did it.
- A review request in the same card. Ask separately.
- Only the company name as the signature. Sign as the person who knocked on the door.
For more examples across other trades and shops, see our small-business thank-you notes.
Sources
- Angi, 2025 State of Home Spending Report, via GlobeNewswire
- BrightLocal, Local Consumer Review Survey 2026: brightlocal.com
- Gallo, A. (2014), "The Value of Keeping the Right Customers", Harvard Business Review, citing Frederick Reichheld of Bain & Company: hbr.org
- Kumar, A. and Epley, N. (2018), "Undervaluing Gratitude", Psychological Science, via University of Chicago News
