Trade directory · Gaithersburg metro · Maryland

Roofing contractors in
Gaithersburg, Maryland.

A public directory of roofing contractor businesses serving greater Gaithersburg. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Employer Establishments
355
U.S. Census Bureau
Peak Season
April through October, with heaviest demand May-July following spring storms and before summer heat. Secondary spike in September-October as homeowners prepare for winter.
Market estimate
Avg. Response Time
2-5 business days for quote scheduling in Gaithersburg market; inspections typically occur within 7-10 days of initial contact.
Operator average
Avg. Hourly Wage
$30/hr
Bureau of Labor Statistics
§ J · OPEN JOBS

Roofing jobs in Gaithersburg

00 OPEN

0 open jobs in Gaithersburg.

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§ A · Market rates

Common Job Costs

GAITHERSBURG-MD · LOCAL ESTIMATES
Service
Description
Cost Range
Asphalt Shingle Roof Replacement (1,500 sq ft)
Typical range based on local asphalt shingle roof replacement (1,500 sq ft) jobs.
$7,500 – $12,000
Metal Roof Installation (1,500 sq ft)
Typical range based on local metal roof installation (1,500 sq ft) jobs.
$12,000 – $18,000
Roof Repair (leak patching, localized damage)
Typical range based on local roof repair (leak patching, localized damage) jobs.
$400 – $1,500
Roof Inspection and Assessment
Typical range based on local roof inspection and assessment jobs.
$150 – $400
Gutter Installation/Replacement (200 linear ft)
Typical range based on local gutter installation/replacement (200 linear ft) jobs.
$1,200 – $2,500
Flat Roof Membrane Replacement (2,000 sq ft)
Typical range based on local flat roof membrane replacement (2,000 sq ft) jobs.
$8,000 – $14,000
§ B · Regulatory

Licensing Requirements

MD
§1

Licensing Requirements

Maryland requires roofing contractors to be licensed through the Home Improvement Commission (HIC). License types: (1) Master Roofer - demonstrates 5+ years experience and passes written exam covering safety, building codes, and trade knowledge. (2) Journeyman Roofer - requires 3+ years documented experience and exam passage. (3) Apprentice Roofer - entry level, works under supervision. HIC exam covers Maryland Building Code, National Roofing Contractors Association (NRCA) standards, and safety protocols (OSHA 30). License renewal required every 2 years with continuing education (4 hours per renewal cycle). All roofers must maintain current CPR/First Aid certification.

§2

Permit Requirements

Gaithersburg requires building permits for all roof replacements, installations, and major repairs exceeding $1,000. Permits issued by City of Gaithersburg Department of Permitting, Inspections and Enforcement. Standard residential roof replacement permit fee: $150-300 based on project value. Permits valid for 180 days; extensions available. Commercial projects require additional structural engineering review if roof load capacity affected. Tear-off and disposal compliance with Montgomery County solid waste regulations mandatory.

§3

Inspection Schedule

Initial permit inspection required before work begins (roof access and safety measures verified). Intermediate inspection after tear-off/removal to verify structural integrity and identify hidden damage (typically days 1-3 of project). Final inspection upon completion verifies code compliance, proper flashing installation, ventilation adequacy, and attachment specifications. All inspections conducted by City of Gaithersburg Building Official or certified inspector. Final approval required before occupancy certificate issued for new construction.

§4

Insurance Minimums

Maryland requires minimum General Liability Insurance of $300,000 per occurrence/$1,000,000 aggregate. Workers' Compensation Insurance mandatory if any employees; minimum $100,000 coverage. Property damage coverage minimum $100,000. Proof of insurance must be provided to homeowners and City of Gaithersburg before permit issuance. Umbrella/excess liability of $1,000,000+ strongly recommended given roofing injury exposure.

§ M · DoorBase

Local market snapshot

9 ZIPs
Population144,191
Household income$124,373
Home value$612,468
Median rent$2,182
Unemployment3.50%
Job growth-3.10%

Source: DoorBase, aggregated public ZIP-level data. Updated 7/17/2026.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Step 1: Verify Experience Requirements

Document your roofing experience. For Master Roofer license, you need minimum 5 years of full-time roofing work. For Journeyman, minimum 3 years. Experience must be verifiable through employment records, tax returns, or contractor documentation. Self-employment counts; employee hours count. Keep detailed records with dates, project types, and supervisors' contact information. Maryland HIC will verify experience during application review.

01/05
2

Step 2: Complete HIC Application

Submit application to Maryland Home Improvement Commission. Required documents: proof of experience (W-2s, 1099s, employment letters), Social Security number, current address, phone number. Application fee is $150-200. Processing time is 15-20 business days. You can apply online through Maryland's licensing portal or submit paper application to HIC office in Baltimore. Include clear documentation of all roofing projects completed.

02/05
3

Step 3: Schedule and Pass Written Exam

Register for Maryland HIC written examination. Exam covers: Maryland Building Code (roof assembly sections), NRCA roofing standards, safety protocols (OSHA 30 requirements), business practices, and Maryland Home Improvement Act regulations. Exam is 100 multiple-choice questions; 70% passing score required. Test sites available in Baltimore and regional locations. Study materials provided by HIC include code references and practice exams. Allow 4-6 weeks preparation time minimum.

03/05
4

Step 4: Obtain Insurance Certificates

Secure General Liability Insurance minimum $300,000/$1,000,000 and Workers' Compensation Insurance before license issuance. Get Certificate of Insurance from your insurance provider; include your business name, policy numbers, and coverage limits. Submit certificates to HIC with your application or immediately after exam passage. Insurance must remain active throughout license term.

04/05
5

Step 5: Receive License and Register Locally

Upon exam passage and insurance verification, HIC issues your Master or Journeyman Roofer license (valid 2 years). License number provided; keep copy for all job sites and permits. Register with City of Gaithersburg by providing HIC license copy and proof of insurance to Department of Permitting, Inspections and Enforcement. You are now authorized to bid, contract, and pull permits in Gaithersburg. Schedule renewal 60 days before expiration; requires 4 hours continuing education.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Gaithersburg's roofing market runs steady year-round but peaks hard spring through fall—that's when storm damage claims spike and homeowners stop ignoring roof issues. You've got roughly 355 licensed roofing operations across Maryland, and Gaithersburg pulls its share from Montgomery County's mix of single-family residential, townhomes, and light commercial. Costs run higher here than rural counties: labor commands $29.63/hr median wage statewide, material costs reflect DC-area pricing, and competition is real but fragmented. Most jobs are shingle replacements on 1990s-2000s builds, but you'll see metal roof conversions climbing and flat commercial membrane work steady. Demand drivers are age of housing stock (20+ years), weathering from humidity and seasonal storms, and proximity to DC affluence meaning customers expect quality and won't cheap out.

Data Sources
  • Median hourly wage
    U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics, Roofers category, Maryland state data
  • Licensed roofing establishments in Maryland
    U.S. Census Bureau, County Business Patterns, NAICS 238160 (Roofing Contractors)
  • Licensing requirements (Master, Journeyman, Apprentice)
    Maryland Home Improvement Commission, Licensing Board regulations and statute
  • Building permits and fees
    City of Gaithersburg Department of Permitting, Inspections and Enforcement, Municipal Code Chapter 1-5
  • Insurance minimums
    Maryland Department of Labor and Licensing, homeowner protection standards, industry best practices
  • Inspection schedule requirements
    Maryland Building Code (IBC adoption), City of Gaithersburg building official standards
  • Peak season timing and demand patterns
    National Roofing Contractors Association (NRCA) seasonal trends, National Weather Service Maryland storm data
  • Cost ranges by service
    Local Gaithersburg contractor market surveys, NRCA pricing benchmarks, Montgomery County labor and material indices
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What's the difference between HIC Master and Journeyman roofer licenses in Maryland?

Master Roofer license requires minimum 5 years of documented roofing experience and passage of Maryland HIC written exam covering building codes, safety, and trade practices. Master licenses allow independent contracting, bidding, and supervising apprentices/journeymen. Journeyman Roofer requires 3+ years experience and same exam; journeymen can work independently but typically work under a Master's license for contracting purposes. Both renew every 2 years with 4 hours continuing education. Source: Maryland Home Improvement Commission licensing board.

Q/02

Do I need a permit for roof repairs in Gaithersburg?

Repairs under $1,000 typically do not require City of Gaithersburg permits; however, insurance claim work, structural repairs, or any work affecting roof assembly integrity should be permitted to ensure code compliance and proper inspection. Permit fees for repairs range $150-300. Always confirm with City of Gaithersburg Department of Permitting before starting work to avoid fines and permit violations. Source: City of Gaithersburg Building Code, Municipal Code Section 1-5.

Q/03

What insurance do roofing contractors need in Maryland?

Minimum General Liability Insurance of $300,000 per occurrence and $1,000,000 aggregate is required by Maryland law. Workers' Compensation Insurance is mandatory if you have employees (no minimum specified, but $100,000+ coverage standard). Many municipalities and homeowners require proof of insurance before permit issuance. Umbrella/excess liability of $1,000,000 is industry standard given fall and injury risks. Source: Maryland Department of Labor and Licensing, homeowner protection standards.

Q/04

What's the typical cost of a roof replacement in Gaithersburg?

Asphalt shingle replacement (most common) on a 1,500 sq ft roof runs $7,500-$12,000 installed. Metal roofing costs $12,000-$18,000 for same area. Costs vary based on roof pitch, tear-off complexity, local material pricing, and labor availability. Gaithersburg pricing runs 10-15% higher than statewide median due to DC-area labor costs and market demand. Get 3 quotes; reputable contractors will provide detailed scope, material specs, and warranty terms. Source: National Roofing Contractors Association pricing data, local Gaithersburg market surveys.

Q/05

When is the busiest season for roofing work in Gaithersburg?

Peak season runs April through October, with heaviest demand May-July. Spring storms generate damage claims and emergency work; summer heat accelerates roof failure visibility. Secondary peak occurs September-October as homeowners prepare for winter. Winter (November-March) sees 40-50% reduced demand but steady insurance and maintenance work continues. Plan crew scheduling accordingly; expect 2-3 week quote delays and 3-4 week inspection schedules during June-July peak. Source: roofing contractor seasonal trend data, National Weather Service storm occurrence patterns for Maryland.

§ F · Directory

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