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Water Heater Replacement Cost in Los Angeles (2026)
Updated: Oct 27, 2026 · Sources accessed: 2026-10-27
Most water heater jobs in Los Angeles are a like-for-like swap of a 40- or 50-gallon gas tank. Here is what published sources say that costs, and what pushes the price up.
Los Angeles prices published by local installers
| Job | Typical cost | Source |
|---|---|---|
| 40-gallon gas tank, like-for-like garage swap (all-in)[1] | $1,850–$2,400 | WaterHeaters.com |
| 50-gallon gas tank with expansion tank (all-in)[1] | $2,100–$2,700 | WaterHeaters.com |
| Tankless gas conversion[1] | $4,400–$6,800 | WaterHeaters.com |
| 50-gallon heat pump water heater, before rebates[1] | $3,900–$5,200 | WaterHeaters.com |
| 30/40-gallon gas tank replacement, book price (permit and haul-away extra)[2] | $1,595 | Water Heater Genius |
| 50-gallon gas tank replacement, book price (permit and haul-away extra)[2] | $1,795 | Water Heater Genius |
| Range of published LA-area tank replacement prices (as reported by the same plumber)[2] | $800–$5,600 | Water Heater Genius |
National averages, for comparison
| Job | Typical cost | Source |
|---|---|---|
| Standard 40–50 gallon tank, installed[3] | $600–$3,100 | HomeGuide |
| Tankless water heater, installed[3] | $1,400–$5,600 | HomeGuide |
| Hybrid heat pump, installed, before incentives[3] | $2,000–$4,600 | HomeGuide |
These are published ranges, not quotes. LeadsToBids does not set, check or guarantee prices; the final price is the one on your written quote.
What changes the price
- Venting: new vents add $500–$1,500; replacing existing vents $100–$600.[3]
- Expansion tank: $100–$400 installed.[3]
- Moving the tank to a new spot: $500–$2,500 more.[3]
- Permit: one eastern LA County plumber charges a $295 permit fee plus the city fee, which ran $29.57–$196 in the cities it checked.[2]
- Code upgrades on older installs (strapping, expansion tank, TPR discharge, sediment trap, when missing): $180–$650 at one LA installer.[1]
Before you hire
- Get at least 3 written quotes for the same scope of work, and compare line by line.
- Check the contractor’s license on the California Contractors State License Board website (cslb.ca.gov).
- Ask whether the permit, haul-away and cleanup are included in the price.
Homeowner?
Ask local, licensed contractors for written quotes, and use the ranges above to compare them.
Are you a contractor?
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Questions
How much does it cost to replace a water heater in Los Angeles?
Local installers publish $1,595–$2,700 for a standard 40- or 50-gallon gas tank, depending on what is included (permit, straps, expansion tank, haul-away). Tankless conversions are published at $4,400–$6,800. Your quote depends on your home.
Do I need a permit to replace a water heater in LA?
The Los Angeles-area installers cited here say every city they serve requires a plumbing permit and an inspection, and they pull it for you. Ask that the permit is on your written quote.
How long does a tank water heater last?
Tank water heaters last 8 to 12 years on average, and tankless units 15 to 20 years with maintenance, according to HomeGuide.
Sources
- WaterHeaters.com: Water Heater Replacement in Los Angeles. Prices published by one Los Angeles installer (all-in: permit, straps, expansion tank, haul-away). Source date: 2026. Accessed: 2026-10-27.
- Water Heater Genius: What does a water heater replacement cost in Los Angeles County?. Book prices published by one eastern Los Angeles County plumber. Source date: Sep 2026. Accessed: 2026-10-27.
- HomeGuide: How much does water heater installation or replacement cost? (2026). National averages. Source date: Jan 2, 2026. Accessed: 2026-10-27.