Plumbing Cost Guides & Calculators

Use these plumbing cost guides to understand typical project ranges and prepare for a written, itemized proposal.

• Gas Water Heater Replacement Cost in 2026: Natural Gas & Propane Systems — Gas water heater replacement typically costs $1,100 to $2,800 (about $1,850 on average). Compare 40 vs 50-gallon tanks, power vent, gas lines, and permits. Typical range: $1,100 – $2,800.
• Main Water Line Replacement Cost in 2026: Supply Line Benchmark — Main water line replacement typically costs $1,800 to $4,500 ($50–$150 per linear foot). Compare trenchless boring, copper vs PEX, and lead pipe swaps. Typical range: $1,800 – $4,500.
• Sewer Line Replacement Cost in 2026: Trenchless & Excavation Pricing — Sewer line replacement typically costs $2,500 to $7,000 ($50–$250 per linear foot). Compare trenchless pipe bursting, lining, and open excavation. Typical range: $2,500 – $7,000.
• Tankless Water Heater Replacement Cost in 2026: On-Demand Pricing — Tankless water heater replacement typically costs $2,200 to $4,800 (about $3,400 on average). Compare gas vs electric, GPM flow rates, and conversion costs. Typical range: $2,200 – $4,800.
• Water Heater Installation Labor Cost in 2026 — Water heater installation labor typically costs $400 to $1,100 for a direct tank swap, with plumbers billing $85–$165 per hour plus permit fees. Typical range: $400 – $1,100 labor only.
• Water Heater Replacement Cost in 2026: Complete Tank Guide — Water heater replacement typically costs $900 to $2,500 (about $1,650 on average). Compare 40 vs 50-gallon gas and electric tanks, permits, and labor. Typical range: $900 – $2,500.

These are planning ranges, not contractor quotes. Compare several written, itemized proposals and read how we estimate costs and our sources.