Rochester's top-rated bathroom remodelers, by Google rating

Rochester has no license file behind this page, so we pulled its top 9 straight from Google Maps instead. We weighted each business's Google rating by how many reviews back it up, out of 9 that turned up in the search. A high rating here says nothing about a license or registration, so ask to see one before you hire anyone.

Google Maps ratings checked October 1, 2026 · How we rank

1978median year homes were built

Housing in Rochester

Rochester sits in Strafford County, part of the Boston-Cambridge-Newton, MA-NH area.

Roughly 33,144 people live here.

Data: U.S. Census Bureau, American Community Survey 5-Year Estimates, table-based Summary File (2024 table-based Summary File) (2024 table-based Summary File).

9 top-rated bathroom remodelers in and near Rochester

This order weighs how many people left a review, not just the star average, and it still isn't a license or registration check, so confirm that part yourself.

Top-rated bathroom remodelers in and near Rochester, NH, with Google ratings
Rank	Business	Google rating	Reviews	Category	Area	Google Maps listing
1	Gardner Construction	5.0 out of 5 on Google	34	Bathroom remodeler	Rochester 03839	Google reviews
2	Long Home	4.8 out of 5 on Google	242	Bathroom remodeler	Somersworth 03878	Google reviews
3	Diacos Home Improvement	5.0 out of 5 on Google	16	Contractor	Not listed	Google reviews
4	CJT Sealcoating	4.9 out of 5 on Google	16	General contractor	Rochester 03868	Google reviews
5	Seacoast Kitchen & Bath Builders	5.0 out of 5 on Google	11	Bathroom remodeler	Not listed	Google reviews
6	C. O'Neil Remodeling & Design	5.0 out of 5 on Google	9	Remodeler	Farmington 03835	Google reviews
7	Credible Construction	4.6 out of 5 on Google	24	Bathroom remodeler	Dover 03820	Google reviews
8	Rizzo's Drywall and Construction Llc	5.0 out of 5 on Google	4	General contractor	Rochester 03868	Google reviews
9	McCosker Builders	4.6 out of 5 on Google	10	Bathroom remodeler	Rochester 03839	Google reviews

Questions to ask before you hire

Which of your crew's licenses covers the plumbing on this job, and can I see the number?
Will you pull the permit yourself, or do you expect me to?
What's the payment schedule, and how much do you want before any work starts?
Can you send a lien release from every subcontractor and supplier once the job is done?
What happens to the price if you find rot or old plumbing behind the wall?
How long is your workmanship warranty, in writing, separate from what the fixture makers offer?
Who is the actual person doing the plumbing, and what is their certificate number?

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