Quick answer: A tankless water heater costs $2,000–$7,000 installed in Los Angeles, with gas whole-home systems at the higher end and electric point-of-use units at the lower end. APLA Construction (CA Lic #1136359) handles this throughout Greater Los Angeles.
A tankless water heater delivers endless hot water on demand, saves energy, and frees up space compared to a traditional tank. For Los Angeles homeowners upgrading during a remodel or replacing an aging unit, tankless is an increasingly popular choice. APLA Construction is a licensed LA general contractor (CA Lic #1136359) that installs tankless water heaters as part of plumbing and remodeling work.
Tankless water heater installation in Los Angeles typically costs between $3,000 and $7,000, depending on the unit, fuel type, and whether upgrades are needed. A 2026 guide:
| Item | Typical Cost |
| Gas tankless (whole home) | $3,500 to $7,000 installed. |
| Electric tankless (point of use or small home) | $2,000 to $4,500 installed. |
| Unit only | $1,000 to $3,000 depending on capacity. |
Cost drivers include upgrading the gas line, adding venting, electrical upgrades for electric units, and any changes to water lines.
Gas tankless units heat more water and suit whole-home use but need proper venting and gas supply. Electric units are simpler to install for smaller demands. We assess your home and hot-water needs. This is part of our plumbing services.
Water heater replacement requires a permit in Los Angeles, and tankless conversions may need gas, venting, and electrical work that must pass inspection. APLA handles permits and code compliance.
Yes for many homes. It provides endless hot water, uses less energy, lasts longer than a tank, and frees up space, though it costs more upfront.
Yes, Los Angeles requires a permit for water heater work. APLA handles it.
Gas suits whole-home demand; electric works for smaller needs or point-of-use. We recommend based on your home.
Most installations take 1 to 2 days, longer if gas or electrical upgrades are needed.
APLA Construction installs tankless water heaters across Los Angeles. Licensed CA Lic #1136359 — verify on CSLB. Call (818) 818-4419 or email info@aplaconstruction.com for a free estimate.