Trade directory · Boise metro · Idaho

Plumbing contractors in
Boise, Idaho.

A public directory of licensed plumbing contractors serving greater Boise. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
825
U.S. Census Bureau
Peak Season
October through March - winter freeze damage and holiday fixture installations drive peak demand
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency calls
Operator average
§ A · Market rates

Common Job Costs

BOISE-ID · LOCAL ESTIMATES
Service
Description
Cost Range
Emergency drain cleaning
Typical range based on local emergency drain cleaning jobs.
$150 – $350
Water heater installation
Typical range based on local water heater installation jobs.
$1,200 – $3,500
Toilet replacement
Typical range based on local toilet replacement jobs.
$300 – $800
Kitchen sink installation
Typical range based on local kitchen sink installation jobs.
$250 – $600
Main sewer line repair
Typical range based on local main sewer line repair jobs.
$2,500 – $8,000
Fixture repair/service call
Typical range based on local fixture repair/service call jobs.
$85 – $200
§ B · Regulatory

Licensing Requirements

ID
§1

Licensing Requirements

Idaho requires Plumbing Contractor License through Division of Building Safety. Must pass PSI examination, provide 4 years experience or apprenticeship completion, $75,000 surety bond, and general liability insurance. License renewed annually with 8 hours continuing education.

§2

Permit Requirements

City of Boise requires permits for water heater replacement, new fixture installation, water/sewer line work. Permit fees range $50-200 depending on scope. No permit needed for minor repairs or drain cleaning.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection before occupancy. Schedule 24 hours advance notice with Boise Building Department.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, $600,000 aggregate required by Idaho Division of Building Safety for contractor licensing

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet experience requirements

Complete 4 years documented plumbing experience or approved apprenticeship program. Gather employment records and supervisor verification forms.

01/06
2

Submit application

File Plumbing Contractor License application with Idaho Division of Building Safety including experience documentation, background check, and $150 application fee.

02/06
3

Schedule and pass examination

Register for PSI plumbing contractor examination. Study Idaho Plumbing Code and business law. Pass both trade and business portions with 70% minimum score.

03/06
4

Obtain surety bond

Purchase $75,000 surety bond from licensed surety company. Bond protects consumers and must remain active for license validity.

04/06
5

Secure insurance coverage

Obtain general liability insurance meeting state minimums of $300,000 per occurrence, $600,000 aggregate. Provide certificate of insurance to Division of Building Safety.

05/06
6

Complete annual renewal

Renew license annually by December 31st. Complete 8 hours continuing education, pay renewal fee, and maintain bond and insurance coverage.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Boise's plumbing market serves 235,000 residents with approximately 825 licensed establishments statewide competing for work. Winter freeze damage drives emergency calls, while steady residential growth fuels new construction and remodel work. Costs run 10-15% below national averages, but material transport from regional suppliers and skilled labor shortages push premium service rates higher. Geographic spread between Boise proper and Treasure Valley suburbs affects travel time pricing.

Get your Idaho contractor license first - no shortcuts around the examination and bonding requirements. City of Boise runs tight permit enforcement, especially on water heater and fixture work that homeowners try to DIY. Build relationships with local supply houses like Ferguson and Hajoca for material pricing advantages. Winter emergency calls pay premium rates but demand 24/7 availability. Focus on the growth corridors in Meridian and Eagle for steady new construction volume, but keep emergency capacity for the profitable freeze-up season.

Data Sources
  • Licensed establishments count
    US Census Bureau Economic Census
  • Licensing requirements
    Idaho Division of Building Safety
  • Permit requirements
    City of Boise Building Department
  • Cost ranges
    Local market estimates
  • Insurance minimums
    Idaho Division of Building Safety regulations
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as a plumber in Boise, Idaho?

Idaho requires a Plumbing Contractor License through the Division of Building Safety. You must pass the PSI examination, show 4 years experience, post a $75,000 bond, and carry liability insurance.

Q/02

How much do emergency plumbing calls cost in Boise?

Emergency drain cleaning runs $150-350, while service calls for fixture repairs range $85-200. Premium rates apply for after-hours and weekend emergency calls during winter months.

Q/03

When is peak season for plumbers in Boise?

October through March drives peak demand due to winter freeze damage and holiday fixture installations. Emergency call volume increases significantly during cold snaps below 20°F.

Q/04

Do I need permits for plumbing work in Boise?

City of Boise requires permits for water heater replacement, new fixtures, and water/sewer line work. Permits cost $50-200. Minor repairs and drain cleaning don't require permits per Boise Building Department.

Q/05

How long does it take to get plumbing quotes in Boise?

Standard quotes typically take 24-48 hours. Emergency calls get same-day response from most contractors. Census data shows approximately 825 licensed plumbing establishments operate statewide to serve the market.

§ F · Directory

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