Licensed Plumber Required

Tankless Water Heater Installation Cost in Oklahoma City, OK

Cast Iron – 2 Bath (Pre-1960)

The average cost of tankless water heater installation in Oklahoma City, OK with Cast Iron pipes (2-bath, 1,500 sq ft) is $2,650, with most homeowners paying between $2,200 and $3,230 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Oklahoma City, OK

Parts & Materials
$1,560
Cast Iron profile
Labor
$960
8.6 hrs x $95/hr
Permits & Misc
$130
permits, disposal, parts
Total Estimate
$2,650
Range: $2,200-$3,230

* Estimates based on Oklahoma City area labor rates ($95/hr). Actual costs vary. Get 3 quotes.

Home Profile

Pipe Material
Cast Iron
Bathrooms
2 Bath
Home Size
1,500 sq ft
Local Labor Rate
$95/hr

Signs You Need This Service

  • !Constantly running out of hot water
  • !High energy bills from aging tank unit
  • !Upgrading during kitchen or bath renovation
  • !Adding a new bathroom or ADU
  • !Tank water heater at end of life

What is Included

  • +Remove existing water heater
  • +Wall-mount new tankless unit
  • +Upgrade gas line if required
  • +Install dedicated venting
  • +Program and commission unit
  • +Test flow at all fixtures

Ready to Hire a Plumber in Oklahoma City?

Use this estimate as your baseline. Get at least 3 quotes and ask each plumber to itemize parts, labor, and permits separately.

Fair range: $2,200 to $3,230

Compare Quotes from Top-Rated Plumbers via Angi

Frequently Asked Questions

How much does tankless water heater installation cost in Oklahoma City, OK?

The average cost of tankless water heater installation in Oklahoma City, OK is $2,650, with most homeowners paying between $2,200 and $3,230 depending on home conditions and contractor availability.

How long does tankless water heater installation take?

Most tankless water heater installation jobs take 8.6 hours for a 2-bathroom home with Cast Iron pipes. Complex jobs or older homes may require additional time.

Can I do tankless water heater installation myself?

This job requires a licensed plumber due to permit requirements, complexity, or safety considerations.

What affects tankless water heater installation cost in Oklahoma City?

Key cost factors include pipe material (Cast Iron), home size (1,500 sq ft, 2 baths), local labor rates ($95/hr in Oklahoma City), and permit fees.

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