All States/Ohio/Dayton/General Contracting
Trade directory · Dayton metro · Ohio

General Contracting contractors in
Dayton, Ohio.

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

Licensed Establishments
1,058
U.S. Census Bureau
Peak Season
April through October, with highest demand May-September for exterior work and year-round steady demand for interior renovations
Market estimate
Avg. Response Time
2-5 business days for initial quote, 1-2 weeks for detailed estimates on larger projects
Operator average
§ A · Market rates

Common Job Costs

DAYTON-OH · LOCAL ESTIMATES
Service
Description
Cost Range
Home addition (200-400 sq ft)
Typical range based on local home addition (200-400 sq ft) jobs.
$25,000 – $65,000
Kitchen remodel (full)
Typical range based on local kitchen remodel (full) jobs.
$15,000 – $45,000
Bathroom remodel (full)
Typical range based on local bathroom remodel (full) jobs.
$8,000 – $25,000
Basement finishing
Typical range based on local basement finishing jobs.
$12,000 – $35,000
Deck construction (12x16)
Typical range based on local deck construction (12x16) jobs.
$3,500 – $8,500
Roofing replacement (1500 sq ft)
Typical range based on local roofing replacement (1500 sq ft) jobs.
$8,000 – $18,000
§ B · Regulatory

Licensing Requirements

OH
§1

Licensing Requirements

Ohio requires a state contractor license for projects over $25,000. Class A license for unlimited projects requires 4 years experience, financial statement, $25,000 bond. Class B license (up to $500,000) requires 2 years experience, $12,500 bond. Both require passing business law and trade knowledge exams. Licenses renewed annually with 8 hours continuing education.

§2

Permit Requirements

Building permits required through City of Dayton Building Division for structural work, additions, electrical/plumbing. Permit fees range $50-$500+ based on project value. Trade permits required for electrical, plumbing, HVAC work performed by subcontractors.

§3

Inspection Schedule

Typical schedule: foundation inspection, framing inspection, mechanical rough-in, insulation inspection, final inspection. Schedule inspections 24 hours in advance through City of Dayton. Re-inspection fees apply for failed inspections.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, $600,000 aggregate. Workers compensation required for employees. Professional liability recommended. Bonding requirements vary by license class: $25,000 Class A, $12,500 Class B.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Meet Experience Requirements

Document 4 years construction experience for Class A license or 2 years for Class B. Gather employment records, project documentation, and supervisor references.

01/05
2

Complete Financial Requirements

Obtain surety bond ($25,000 Class A, $12,500 Class B) and submit audited financial statement showing net worth requirements.

02/05
3

Pass Required Examinations

Schedule and pass both business law exam and trade knowledge exam through PSI Services. Study guides available through Ohio Commerce Department.

03/05
4

Submit Application

Complete contractor license application with all supporting documents, examination certificates, bond, and required fees through Ohio Department of Commerce.

04/05
5

Maintain License

Renew annually by December 31st with 8 hours continuing education, updated bond, and renewal fees. Keep insurance and bonding current year-round.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Dayton's general contracting market runs steady with strong residential renovation demand driven by the city's older housing stock and growing suburban areas. Competition is moderate with established players dominating larger commercial work while smaller contractors fight over residential jobs. Kitchen and bathroom remodels drive consistent revenue, but the real money is in additions and whole-house renovations in areas like Oakwood and Kettering. Material costs and labor shortages are your biggest cost drivers right now. Getting licensed in Ohio means jumping through state hoops and proving you know your business. The $25,000 threshold for licensing catches most serious jobs, so get your Class A if you want the big work. Dayton's building department runs tight inspections but they're fair if you know the code. Peak season hits hard April through October - line up your crews and suppliers early or you'll be scrambling. Winter months are perfect for interior work and planning next year's projects. Know your neighborhoods: historic areas have preservation requirements that can kill margins if you're not careful.

Data Sources
  • Number of licensed establishments
    U.S. Census Bureau
  • Licensing requirements
    Ohio Department of Commerce Division of Industrial Compliance and Labor
  • Permit requirements
    City of Dayton Building Division
  • Cost estimates
    Local market analysis and contractor surveys
  • Insurance requirements
    Ohio Department of Commerce and industry standards
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What's the minimum project value requiring a contractor license in Ohio?

Ohio requires contractor licensing for projects exceeding $25,000. Projects under this threshold don't require state licensing but may need local permits and must still meet building codes.

Q/02

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

Processing takes 4-6 weeks after submitting complete application with required experience documentation, financial statements, and exam results. Plan additional time for scheduling and passing the required exams.

Q/03

What permits are needed for a kitchen remodel in Dayton?

Kitchen remodels typically require building permit if structural changes are involved, plus electrical and plumbing permits for new circuits or plumbing modifications. Contact Dayton Building Division at least 1 week before starting work.

Q/04

When is peak construction season in Dayton?

Peak season runs April through October, with highest demand May-September. Weather delays are common in winter months, making interior projects more practical November-March.

Q/05

How many general contractors operate in Ohio?

According to Census data, approximately 1,058 licensed general contracting establishments operate in Ohio, with concentration in major metropolitan areas including Dayton, Columbus, and Cincinnati.

§ F · Directory

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