General Contracting contractors in
Cambridge, Massachusetts.
A public directory of licensed general contracting contractors serving greater Cambridge. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
Common Job Costs
Licensing Requirements
Licensing Requirements
MA requires Construction Supervisor License (CSL) for projects over $1,000. Must pass PSI exam covering building codes, safety, and business practices. Need 3+ years experience or construction-related degree. License renewal every 2 years with 6 hours continuing education.
Permit Requirements
Cambridge requires building permits for structural work, additions, major renovations. Electrical and plumbing permits needed for related work. Historic districts require additional design review. Permit fees range $150-$5,000+ based on project value.
Inspection Schedule
Foundation inspection before concrete pour, framing inspection before insulation, rough inspection for MEP systems, insulation inspection, final inspection before occupancy. 48-hour notice required for all inspections.
Insurance Minimums
General liability minimum $1M per occurrence, $2M aggregate. Workers compensation required if employees. Many clients require $2M+ liability coverage. Bonding often required for municipal work.
How to Get Licensed
Meet experience requirements
Document 3+ years construction experience OR complete construction-related degree program. Gather employment records, project documentation, or diploma as proof.
Submit application
Complete CSL application through Massachusetts Division of Professional Licensure. Pay $75 application fee. Include experience documentation and any required forms.
Schedule and pass PSI exam
Register for Construction Supervisor License exam through PSI. Study building codes, safety regulations, and business practices. Pass written examination with 70% or higher score.
Receive license
Upon passing exam, receive CSL license valid for 2 years. License number required on all contracts, advertising, and permit applications.
Maintain license
Renew every 2 years with 6 hours continuing education. Pay renewal fees on time to avoid license lapse. Complete CE courses from approved providers covering code updates and safety.
About This Market
Cambridge runs hot for general contractors — dense urban market with old housing stock, wealthy homeowners doing major renovations, and steady commercial work near Harvard and MIT. Competition's fierce with 785+ licensed outfits statewide fighting for premium projects. Historic homes drive complexity and costs up, while zoning restrictions limit expansion options. Expect sophisticated clients who know quality and aren't afraid to pay for it, but they'll demand permits pulled right and work done to code.
To work this market, get your CSL license first — no exceptions for jobs over $1,000. Learn Cambridge's permitting process inside and out, especially historic district requirements that can derail projects fast. Peak season runs April to October when weather cooperates. Build relationships with reliable subs — good electricians and plumbers book months ahead. Price projects 20-30% higher than suburban markets to cover parking hassles, material delivery challenges, and stricter code enforcement. Cash flow matters here since projects take longer and inspection delays cost real money.
- Licensed establishments countUS Census Bureau
- Licensing requirementsMassachusetts Division of Professional Licensure
- Cost rangesLocal contractor estimates
- Permit requirementsCambridge Building Department
- Insurance requirementsMassachusetts state regulations
Frequently Asked Questions
What license do I need for general contracting in Cambridge, MA?
Massachusetts requires a Construction Supervisor License (CSL) for any construction project over $1,000. You must pass the PSI exam and have 3+ years experience or relevant degree. License renewal every 2 years with continuing education requirements.
How much does a kitchen renovation cost in Cambridge?
Kitchen renovations in Cambridge typically range $35,000-$85,000 depending on size, materials, and structural changes. Historic home restrictions and Cambridge's high labor costs drive prices 20-30% above state averages.
What permits are required for home additions in Cambridge?
Building permits required for all structural work and additions. Additional permits needed for electrical, plumbing, and HVAC changes. Historic district properties need design review approval. Permit fees based on project value, typically $150-$5,000+.
When is the best time to start construction projects in Cambridge?
Peak construction season runs April through October when weather permits exterior work. Book contractors early as best crews fill up months in advance. Winter work possible for interior renovations but material delivery and parking more challenging.
What insurance do general contractors need in Massachusetts?
Minimum $1M general liability per occurrence, $2M aggregate required. Workers compensation mandatory with employees. Many Cambridge clients require $2M+ coverage. Municipal projects often require bonding.
General Contracting contractors in Cambridge
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