Trade directory · Cranston metro · Rhode Island

Plumbing contractors in
Cranston, Rhode Island.

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

Licensed Establishments
483
U.S. Census Bureau
Peak Season
October through March - heating season drives emergency calls, frozen pipes, and water heater failures
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency service calls
Operator average
§ A · Market rates

Common Job Costs

CRANSTON-RI · LOCAL ESTIMATES
Service
Description
Cost Range
Drain cleaning
Typical range based on local drain cleaning jobs.
$150 – $350
Toilet repair/replacement
Typical range based on local toilet repair/replacement jobs.
$200 – $800
Water heater installation
Typical range based on local water heater installation jobs.
$1,200 – $3,500
Kitchen sink installation
Typical range based on local kitchen sink installation jobs.
$300 – $750
Bathroom remodel plumbing
Typical range based on local bathroom remodel plumbing jobs.
$2,500 – $8,000
Pipe repair/replacement
Typical range based on local pipe repair/replacement jobs.
$400 – $1,500
§ B · Regulatory

Licensing Requirements

RI
§1

Licensing Requirements

Rhode Island requires Plumbing Contractor License through Department of Labor and Training. Must pass written exam covering Rhode Island Plumbing Code, complete 4-year apprenticeship or equivalent experience, provide proof of liability insurance. Journeyman license required before contractor license. Renewal every 2 years with continuing education requirements.

§2

Permit Requirements

Cranston Building Department requires permits for water heater replacement, new installations, major repairs, and any work involving gas lines. Permit fees range $50-200 depending on scope. Submit plans for review before starting work.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection after completion. Gas line work requires separate gas inspection. Schedule 24-48 hours in advance through Cranston Building Department.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, workers compensation if employees, vehicle insurance for commercial use. Bonding may be required for municipal work.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Complete apprenticeship

Complete 4-year plumbing apprenticeship program or demonstrate equivalent experience through documented work history. Must include classroom instruction and on-the-job training.

01/06
2

Apply for Journeyman license

Submit application to RI Department of Labor and Training with apprenticeship completion certificate, work experience documentation, and fees. Pass Journeyman examination.

02/06
3

Gain experience

Work as licensed Journeyman for minimum required period while gaining business and supervisory experience needed for contractor status.

03/06
4

Obtain insurance

Secure general liability insurance meeting state minimums and workers compensation if employing others. Provide certificates of insurance with application.

04/06
5

Pass contractor exam

Take and pass Rhode Island Plumbing Contractor examination covering state codes, business practices, and safety regulations.

05/06
6

Submit contractor application

File completed application with Department of Labor and Training including exam results, insurance certificates, and required fees for license issuance.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Cranston's plumbing market serves 81,000 residents in a mix of older residential stock and commercial properties. With 483 licensed establishments statewide, competition is steady but not oversaturated. Older housing drives repair work - cast iron replacements, sewer line issues, and outdated fixtures. Water heater replacements peak in winter months. Costs run 10-15% above national average due to Northeast labor rates and material transport. Commercial work around Route 95 corridor provides steady revenue streams for established contractors. Getting licensed in Rhode Island means navigating a strict apprenticeship system and comprehensive exams covering state-specific codes. Cranston Building Department runs tight inspections - know the local codes cold and build relationships with inspectors. Winter emergency calls pay premium rates but require 24/7 availability. Focus on older neighborhoods like Edgewood and Garden City for consistent repair work. Gas line certifications open additional revenue streams but require separate licensing through National Grid.

Data Sources
  • Licensed establishments count
    U.S. Census Bureau
  • Licensing requirements
    Rhode Island Department of Labor and Training
  • Permit requirements
    Cranston Building Department
  • Cost ranges
    Local market estimates
  • Population data
    U.S. Census Bureau
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as a plumber contractor in Cranston, RI?

You need a Rhode Island Plumbing Contractor License from the Department of Labor and Training. This requires completing a 4-year apprenticeship, passing the state exam, and obtaining liability insurance. A Journeyman license is prerequisite to the contractor license.

Q/02

How much does it cost to replace a water heater in Cranston?

Water heater replacement in Cranston typically ranges from $1,200 to $3,500 installed, depending on unit type and complexity. Tankless units cost more upfront. Permit fees add $50-100 to total cost.

Q/03

Do I need a permit for plumbing work in Cranston?

Yes, Cranston requires permits for water heater replacement, new installations, major repairs, and gas line work. Contact Cranston Building Department at least 24 hours before starting work. Permit fees range $50-200.

Q/04

When is peak season for plumber work in Rhode Island?

October through March is peak season due to heating system demands, frozen pipe emergencies, and water heater failures during cold months. Emergency rates can be 50-100% higher during winter storms.

Q/05

How many plumbing contractors operate in Rhode Island?

According to Census data, approximately 483 licensed plumbing establishments operate in Rhode Island, serving both residential and commercial markets across the state's 39 cities and towns.

§ F · Directory

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