General Contracting contractors in
Boston, Massachusetts.

Do I need a license to do general contracting work in Boston?

Yes. Massachusetts requires a Construction Supervisor License (CSL) issued by the State Board of Architectural Examiners and Constructors for any residential or commercial construction work that triggers permitting. Work under $10,000 in minor alterations may be exempt depending on scope, but practical reality: if you're bidding residential renovations or any commercial project, you need the license. It requires 5+ years supervised experience and passing an exam. Unlicensed work exposes you to fines ($500-$5,000), project delays, and civil liability. Get licensed.

What are typical project costs for general contracting in the Boston area?

Boston costs run high. A kitchen or bath renovation ranges $25K–$75K depending on finish level and existing condition. A single-story residential addition costs $60K–$120K. Basement finishing runs $15K–$50K. Roof replacement on a typical 1500 sq ft home: $12K–$28K. Commercial work scales differently—tenant improvements typically $75–$200 per sq ft. Foundation or structural work varies wildly ($8K–$35K) based on extent of damage or scope. Material costs in Boston run 10–15% above national average due to local labor rates and supply chain position. Always budget 15–20% contingency because older buildings throw surprises.

How long does it take to get permits from the Boston Building Department?

Standard residential permits: 2–4 weeks for approval once submitted complete. Commercial or complex projects: 4–8 weeks. Time varies based on project type, completeness of submission, and current Building Department workload. If plans are incomplete or noncompliant with zoning, add 2–3 weeks for resubmission cycles. Expedited review is available for a fee (typically $200–$500) and can shorten timelines by 1–2 weeks. Historic district projects add 2–4 weeks for Landmarks Commission review. Pro tip: check with the Building Department early in design phase to flag zoning or code issues before you submit formal application.

What insurance do I need to carry as a general contractor in Massachusetts?

Minimum General Liability: $1,000,000 per occurrence / $2,000,000 aggregate. Workers' Compensation is mandatory if you have any employees—coverage is based on payroll (no flat minimum, but typical aggregate $1–2M). For commercial projects or public bids, clients often require $2M/$4M GL coverage. Many contractors carry $1–5M umbrella policies to cover multiple concurrent projects and reduce liability exposure. Performance bonds required for public work over $50,000. Expect to pay $1,200–$3,000 annually for GL and WC combined depending on payroll and claims history. Boston-area rates run higher than national average.

When is the busiest season for general contracting work in Boston?

April through October is peak season—spring and summer. June, July, August see the highest demand and scheduling pressure. Weather is favorable, property owners want work done before winter, and institutional/commercial clients have fiscal year budgets to spend. Expect subs to be booked 4–8 weeks out in June and July. March starts the ramp-up. November through February is slower but steady if you're positioned well. Winter work is real—roof repairs, emergency plumbing, interior remodels—but margins can tighten due to crew availability and material logistics. Successful contractors bank 60–70% of annual revenue in the 7-month peak window and deploy that during slower winter months for business development and crew training.