Trade directory · Gaithersburg metro · Maryland

General Contracting contractors in
Gaithersburg, Maryland.

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

Licensed Establishments
444
U.S. Census Bureau
Peak Season
March through October - spring home improvements through fall weatherization projects
Market estimate
Avg. Response Time
2-5 business days for initial quotes, 1-2 weeks for detailed estimates
Operator average
Avg. Hourly Wage
$65/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

GAITHERSBURG-MD · LOCAL ESTIMATES
Service
Description
Cost Range
Kitchen remodel (full)
Typical range based on local kitchen remodel (full) jobs.
$25,000 – $85,000
Bathroom renovation
Typical range based on local bathroom renovation jobs.
$12,000 – $35,000
Home addition (per sq ft)
Typical range based on local home addition (per sq ft) jobs.
$200 – $450
Basement finishing
Typical range based on local basement finishing jobs.
$15,000 – $45,000
Deck construction
Typical range based on local deck construction jobs.
$8,000 – $25,000
Roof replacement
Typical range based on local roof replacement jobs.
$12,000 – $30,000
§ B · Regulatory

Licensing Requirements

MD
§1

Licensing Requirements

Maryland Home Improvement Contractor License required for jobs over $500. Must pass business law exam, provide financial statement, maintain $50,000 surety bond. License renewed annually. Separate trade licenses required for electrical, plumbing, HVAC work exceeding permit thresholds.

§2

Permit Requirements

Building permits required through Montgomery County for structural work, additions, major renovations. Permit fees range $100-2000+ based on project value. Trade permits needed for electrical, plumbing, mechanical work.

§3

Inspection Schedule

Foundation inspection before concrete pour, framing inspection before drywall, final inspection before occupancy. Additional inspections required for electrical, plumbing, mechanical systems per Montgomery County building department.

§4

Insurance Minimums

General liability minimum $300,000, workers compensation if employees, surety bond $50,000 for home improvement license. Many clients require $1M+ liability coverage.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet eligibility requirements

Minimum 2 years experience in construction or related field, clean criminal background, financial stability demonstrated through credit report and financial statements

01/06
2

Obtain surety bond

Secure $50,000 surety bond from approved provider. Bond cost typically $500-1500 annually based on credit score and business financials

02/06
3

Study for exam

Prepare for Maryland business law examination covering contract law, lien law, consumer protection, business practices. Study materials available from PSI testing service

03/06
4

Submit application

Complete Maryland home improvement contractor application with $290 fee, financial statements, proof of insurance, surety bond, and supporting documentation

04/06
5

Pass examination

Schedule and pass business law exam through PSI testing centers. $100 exam fee. Must achieve 70% passing score

05/06
6

Receive license

License issued by Maryland Department of Labor upon successful completion of all requirements. Typically 4-8 weeks processing time after exam passage

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Gaithersburg sits in Montgomery County's solid middle-class market with steady renovation demand from 1970s-80s housing stock. Competition is thick with 444 licensed establishments statewide, but quality work commands premium pricing. Kitchen and bath remodels dominate, followed by basement finishing and additions. Costs run 15-20% above state averages due to affluent demographics and strict county building codes. Material costs and permit complexity drive pricing more than labor shortages. Maryland's licensing maze separates pros from weekend warriors, but the barriers are real. Home improvement license, surety bonds, and trade-specific permits create regulatory overhead that kills margins if you don't plan for it. Montgomery County building department runs tight inspections and expects code compliance, no shortcuts. Peak season runs March through October when homeowners tackle projects. Smart contractors build relationships with permit expeditors and maintain strong trade partnerships for electrical, plumbing, HVAC work requiring separate licenses.

Data Sources
  • Median hourly wage
    Bureau of Labor Statistics Occupational Employment Statistics
  • Licensed establishments count
    US Census Bureau County Business Patterns
  • Licensing requirements
    Maryland Department of Labor Division of Occupational and Professional Licensing
  • Permit requirements
    Montgomery County Department of Permitting Services
  • Insurance minimums
    Maryland Home Improvement Commission regulations
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

How much does a general contractor license cost in Maryland?

Maryland Home Improvement Contractor license costs $290 application fee plus $50,000 surety bond (typically $500-1500 annually) and $100 exam fee. Annual renewal is $165 according to Maryland Department of Labor licensing division.

Q/02

What permits do I need for home renovations in Gaithersburg?

Building permits required from Montgomery County for structural changes, additions, major renovations. Separate trade permits needed for electrical, plumbing, HVAC work. Permit fees start at $100, scaling with project value per county fee schedule.

Q/03

How long does it take to get a contractor license in Maryland?

4-8 weeks after submitting complete application with financial statements, surety bond, and passing the business law exam. Maryland Department of Labor processes applications, with delays common during peak application periods.

Q/04

What insurance do general contractors need in Gaithersburg?

Minimum $300,000 general liability insurance required for Maryland home improvement license. Workers compensation mandatory if you have employees. Most residential clients require $1M+ liability coverage per industry standards.

Q/05

What is the average hourly rate for general contractors in Gaithersburg?

Median wage is $65.09 per hour or $135,387 annually according to Bureau of Labor Statistics data. Actual billing rates typically 2-3x hourly wage to cover overhead, materials, insurance, and profit margins.

§ F · Directory

General Contracting contractors in Gaithersburg

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