NH Commercial & Residential Painting


About Us

Welcome to 603 Painting, LLC

603 Painting specializes in residential and commercial painting in central and southern New Hampshire. Our motto, We Aim To Please, is not just a catch phrase! We provide quality workmanship, honesty, accurate free estimates, and hold customer satisfaction to the highest standards. We are experienced to do work on any project from residential, restoration, fire and water damage, to commercial and industrial projects.

603 Painting is a family owned and operated business. Owner Patrick Walsh started 603 Painting over 15 years ago when he was a college student working for both residential and commercial contractors. During that time, he developed a vast knowledge of painting products and proper applications. As a business owner, and especially as a contractor, Patrick likes to be on the job site as much as possible. He believes it is important for the home owner and/or business owner to see that their job is receiving the proper attention it deserves.

Whether you are a home owner, business owner, or general contractor, 603 Painting has the experience and knowledge to meet all of your painting needs.

We are a Lead-Safe Certified Firm


603 Painting is dedicated not only to improving your home but also to keeping it safe.
We are proud to be a Lead-Safe Certified Firm. That means we have been specially trained by the EPA in how to safely renovate structures that used lead-based paint.

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Customer Testimonials

Read what our customers say about our Residential and Commercial Painting services. If you are a current or former customer of 603 Painting, please contact us to submit your testimonial. Thank you!
Outstanding Job!

I wanted to personally thank you and your crew for the outstanding job you did. I am very pleased with the outcome of the difficult job you performed for us over the past several weeks. You and your team were professional, courteous and we are very happy with the finish ...

~ Matt
Highly Recommend 603 Painting

From the start, Patrick was exceptional to work with.  He spent time with us to assess the condition of the house and the underlying requirements to provide a successful and long-lasting paint job. Best of all, the estimate proved to be very accurate and came in below budget.

~ Graham & Alison, Amherst, NH
Top Quality Painting

603 Painting did several jobs for us both interior and exterior and we are very satisfied with their work. Patrick and his crew were professional, polite, prompt and reliable. Our daughter’s bedroom and our deck never looked better!

~ Fran, Amherst, NH
Excellent Work – Thank You!

Can’t say enough about Patrick Walsh and 603 Painting. Fast, efficient and with their attention to detail, you could tell 603 Painting puts a premium on doing the job right. We highly recommend 603 Painting.

~ Matthew & Stephanie, Amherst, NH
Very Satisfied!

Thanks Patrick! We are extremely satisfied with the job that you and your staff did for us. You were very knowledgeable, on time, and on budget. Your attention to detail was impressive, and your suggestions were very helpful. The house looks beautiful!!!

~ Craig and Cleatia, Bedford, NH
Thank You 603 Painting!

Thank you 603 Painting for the great job you and your crew did painting my house, deck and shed. The result was a quality job with attention to details. The crew was respectful of my property and my family.

~Jerry and Maureen, Milford NH.

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