Basic
$1,508 – $5,028 per project
1 in. PEX service line in an open trench at frost depth with tracer wire, approved tie-ins at meter and house, pressure tested
Replace/install the main water service line from the meter or curb stop to the house (typically 25-75 ft of PEX or copper, trenched), including tie-ins and permit.
Install Water Line in Honolulu, Hawaii typically costs $1,775 to $5,915 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Honolulu are 21.0% higher than the national average for install water line.
National average: $1,500 – $5,000 per project
$1,508 – $5,028 per project
1 in. PEX service line in an open trench at frost depth with tracer wire, approved tie-ins at meter and house, pressure tested
$1,775 – $5,915 per project
1 in. PEX service line on sand bedding with tracer wire, new full-port valve at the house, backfilled and pressure tested
$2,218 – $7,394 per project
1 in. Type K copper service line on sand bedding, sleeved foundation entry, new full-port main valve, compacted backfill
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $756 – $2,520 | job |
| Labor | labor | $683 – $2,275 | job |
| Supplies & Other | supplies | $202 – $672 | job |
| Equipment & Disposal | equipment | $134 – $448 | job |
Labor costs in Honolulu run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local install water line contractors in Honolulu for personalized quotes based on your specific project.