Trade directory · Lawrence metro · Kansas

Plumbing contractors in
Lawrence, Kansas.

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

Licensed Establishments
1,003
U.S. Census Bureau
Peak Season
November through February for emergency repairs, March through June for remodeling projects
Market estimate
Avg. Response Time
24-48 hours for estimates, same-day for emergency calls
Operator average
§ A · Market rates

Common Job Costs

LAWRENCE-KS · LOCAL ESTIMATES
Service
Description
Cost Range
Emergency drain cleaning
Typical range based on local emergency drain cleaning jobs.
$150 – $350
Toilet replacement
Typical range based on local toilet replacement jobs.
$250 – $600
Water heater installation
Typical range based on local water heater installation jobs.
$1,200 – $3,500
Kitchen sink and faucet installation
Typical range based on local kitchen sink and faucet installation jobs.
$300 – $800
Main sewer line repair
Typical range based on local main sewer line repair jobs.
$2,500 – $8,000
Bathroom remodel plumbing
Typical range based on local bathroom remodel plumbing jobs.
$1,800 – $5,500
§ B · Regulatory

Licensing Requirements

KS
§1

Licensing Requirements

Kansas requires Master Plumber license through state licensing board. Must complete 4-year apprenticeship or equivalent experience, pass state exam covering codes and safety. Journeyman license requires 2 years experience plus exam. Licenses renew annually with 8 hours continuing education.

§2

Permit Requirements

Lawrence requires permits for water heater replacement, new fixture installation, and any work involving water/sewer lines. Permit fees range $50-200. Gas line work requires separate gas permit.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection after completion. Water heater installations require inspection within 24 hours. Sewer line work inspected before backfill.

§4

Insurance Minimums

Kansas requires $300,000 general liability minimum for licensed plumbers. Workers compensation required if employing others. Bonding requirements vary by municipality.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Complete apprenticeship training

Complete 4-year plumbing apprenticeship program or demonstrate equivalent work experience under licensed master plumber. Document training hours and on-job experience.

01/06
2

Submit application

File application with Kansas State Board of Technical Professions including proof of training, experience documentation, and application fee of approximately $75.

02/06
3

Pass state examination

Take and pass Kansas plumbing examination covering state plumbing codes, safety regulations, and trade practices. Exam scheduled through state board.

03/06
4

Obtain insurance and bonding

Secure required general liability insurance minimum $300,000 and any local bonding requirements before beginning independent work.

04/06
5

Register with local jurisdictions

Register license with Lawrence building department and any other municipalities where you plan to work. Some require separate registration fees.

05/06
6

Maintain continuing education

Complete 8 hours continuing education annually and renew license with state board. Keep current on code changes and safety requirements.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Lawrence sits in a competitive plumbing market with roughly 15-20 established shops serving the city and surrounding Douglas County. University of Kansas drives steady rental property maintenance work, while the growing residential market creates consistent remodel jobs. Costs run 10-15% below Kansas City rates but above rural Kansas due to local demand and stricter permitting. Winter freeze-ups and spring storm damage keep emergency services busy year-round.

To work Lawrence effectively, get your state Master Plumber license first - the city checks credentials on every permit. Build relationships with local supply houses like Ferguson and City Plumbing Supply for competitive pricing. University rental properties offer volume work but expect net-30 payment terms. Residential customers pay better margins but demand evening and weekend availability. Stay current on Lawrence's evolving green building initiatives - they're pushing low-flow fixtures and energy-efficient water heaters harder than most Kansas municipalities.

Data Sources
  • Licensed establishments count
    US Census Bureau
  • Licensing requirements
    Kansas State Board of Technical Professions
  • Permit requirements
    Lawrence Building Department
  • Insurance minimums
    Kansas Department of Insurance
  • Cost ranges and market data
    Local contractor estimates and industry surveys
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as a plumber in Lawrence, KS?

You need a Kansas Master Plumber license issued by the state licensing board. This requires completing a 4-year apprenticeship plus passing the state examination covering plumbing codes and safety regulations.

Q/02

How much does emergency plumbing cost in Lawrence?

Emergency drain cleaning runs $150-350, while emergency pipe repairs typically cost $200-600 depending on location and materials. After-hours and weekend calls include service fees of $75-150.

Q/03

Do I need permits for plumbing work in Lawrence?

Yes, Lawrence requires permits for water heater replacement, new fixture installation, and water/sewer line work. Permits cost $50-200 and must be pulled before starting work according to city building department regulations.

Q/04

How competitive is the plumbing market in Lawrence?

With approximately 1003 licensed plumbing establishments statewide per Census data and 15-20 shops serving Lawrence specifically, competition is moderate. University properties and steady residential growth provide consistent work opportunities.

Q/05

What insurance do plumbers need in Kansas?

Kansas requires minimum $300,000 general liability insurance for licensed plumbers. Workers compensation is mandatory when employing others, and many municipalities require additional bonding for permit work.

§ F · Directory

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