Verified license

Nicholson Water Defense, LLC

Dover, NH · Strafford CountyPump installation

Call (603) 781-8573
DirectionsEmail
License status
Active
checked September 30, 2026
License number
3491
New Hampshire record
Services
2
Pump Installation and more

About Nicholson Water Defense, LLC

Nicholson Water Defense, LLC is a pump installation contractor based in Dover, NH (Strafford County). The New Hampshire licensing program lists license 3491 as active, and we last checked the record on September 30, 2026.

The state record covers pump installation and pump repair.

This profile is built from public state license records checked on September 30, 2026. Well Water Insider does not rate or endorse contractors. Own this business? Claim the profile to add photos, hours and a description.

License record

Verified against state records
License number
3491
License type
Pump installation
Status
Active
Last verified
September 30, 2026

Check this license yourself on the official New Hampshire lookup.

What the state record says

New Hampshire licensed pump installer (Water Well Board license 3491: pump installer license (domestic); active on the NHDES Find a Contractor search on September 30, 2026). The Water Well Board (RSA 482-B and rules We 100 to We 1000) licenses the business for the well construction methods it may use; a water well contractor may construct, alter, hydrofracture and abandon wells of the licensed types, and a pump installer may install and service pumps and pressure systems. Wells need no state permit, but every completed well is reported to NHDES within 90 days and appears in the state Water Well Inventory.

Services

What the New Hampshire record says Nicholson Water Defense, LLC is licensed or registered to do.

Pump Installation

Setting a new submersible or jet pump with the pressure tank, switch and controls.

Pump Repair

Tracking down low pressure, short cycling or no water, then repairing or replacing parts of the pump system.

Service area

Based in Strafford County, New Hampshire.

Approximate location (Strafford County)

Well water in Strafford County

Useful context before you call a contractor here.

28%of households in Strafford County drink from a private well (est.)
220 to 420 feet; the median of 1,814 new domestic wells in the NHDES Water Well Inventory completed since 2000 is 320 feettypical private well depth
Not requiredwater test when a home with a well is sold in New Hampshire
Open the Strafford County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Nicholson Water Defense, LLC; ask for a written estimate.

Submersible pump replacement$1,200 to $4,500parts and labor
Pressure tank replacement$400 to $1,200installed

Before you hire

  1. 1

    Confirm the license

    Look up license 3491 on the New Hampshire state lookup and make sure it is active for the work you need. Open the New Hampshire lookup.

  2. 2

    Get a written estimate

    Ask for the scope, parts, depth or pump size, permit fees and warranty in writing. Compare two or three quotes for big jobs.

  3. 3

    Ask about permits and the well log

    New wells and many repairs are reported to the state. Ask who files the paperwork and for a copy of the well log.

  4. 4

    Test the water after the work

    Any work on a well can disturb bacteria. Test for coliform bacteria once the job is done.

Questions about Nicholson Water Defense, LLC

Is Nicholson Water Defense, LLC licensed?

Yes. The New Hampshire record shows license 3491 (pump installation) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.

What services does Nicholson Water Defense, LLC offer?

The state record lists pump installation and pump repair. Call to confirm they take on your type of job.

What areas does Nicholson Water Defense, LLC serve?

The business is based in Strafford County (Dover, NH).

How do I contact Nicholson Water Defense, LLC?

Call (603) 781-8573 and email them. The address on the state record is 11 Spruce Drive, Dover, NH 03820.

Other licensed contractors near Dover