connectCost guide

What does water tanks & pumps cost?

NZ, incl. GST · updated 2 November 2026

Typical tank clean to a new tank

$550

Most jobs land between $250 and $8,500.

BallparkNZ 2026 ballpark. Real Connect quotes take over once there are enough.

An estimate for planning, not a quote.

Estimate your job

Type the size and see an installed price range for it, incl. GST. More jobs on the estimator.

Water Tanks & Pumps

Water tank or pump

Estimated installed price

$550

Most jobs like this land between $380 and $800, incl. GST, supply and labour.

$380–$800 each

Tank clean and sanitise, 1$380–$800 each$380–$800
NZ 2026 ballparkAn estimate for planning, not a quote.

Includes: The visit, labour and the parts for the job described.

Not included: Plumbing from the tank into the house, power to a new pump, and earthworks for a tank site.

People use Connect for water tanks & pumps jobs big and small.

What drives the price

What the job is, tank size, access for a truck, and whether the water needs testing or treating. Summer water deliveries cost more when everyone is dry.

Example jobs

Tank clean and sanitise$380–$800
Replace a pressure pump$1,000–$2,600
New 25,000 L tank installed$3,500–$8,500

Example totals are typical NZ ranges incl. GST.

Want real numbers for your job?

Post it once, free. Vetted local water tanks & pumps tradies quote it within 72 hours and there is no obligation.

Post a job — free

Got quotes already? Read how to compare tradie quotes before you pick one.

Questions

How much does water tanks & pumps cost in NZ?

A typical tank clean to a new tank is around $550 incl. GST, with most jobs between $250 and $8,500. What the job is, tank size, access for a truck, and whether the water needs testing or treating. Summer water deliveries cost more when everyone is dry.

Is this a quote?

No. It is an estimate based on NZ ballparks to help you plan. Post the job on Connect and vetted local tradies will quote your actual job, free.

Why do quotes for the same job vary so much?

Because tradies often quote slightly different jobs. Connect writes one scope with you first so every quote is for the same work and you can compare them properly.

Prices on this page are estimates incl. GST for a typical residential job in NZ and will vary by site, access, materials and season. They are not a quote.

Other trades

Water Blasting · Lawn Mowing · Decking · Roofing · Painting · Plumbing · All trades