Licensed deck contractors and builders serving Cambridge, Massachusetts. License data and local permit requirements.
Last updated: April 2026 · Cost data from RSMeans & BLS regional indices · Permit data from official city .gov sources
Local context for Cambridge
Cambridge permits are issued by the Inspectional Services Department at 831 Massachusetts Avenue, with online filing through the Cambridge OpenGov portal. Cambridge enforces the Massachusetts Stretch Energy Code and has its own Building Energy Use Disclosure Ordinance (BEUDO) for larger buildings, one of the earliest in the country. The city has six locally designated historic districts plus the Old Cambridge and Harvard Square areas under active review.
Permits filed through Cambridge Inspectional Services Department · official portal
Leading deck builder headquartered at 273 Pearl St, Cambridge, serving the Greater Boston area with custom deck design and construction as a licensed and insured family-owned business.
BBB-accredited and Houzz award-winning company serving Greater Boston since 1986, having worked with over 7,000 homeowners on decks, remodeling, and outdoor living projects.
Professional deck builder with 20+ years of expertise serving Cambridge and the surrounding Middlesex County area with residential and commercial deck design and carpentry.
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A short checklist of things to verify before you sign a contract or hand over a deposit. These apply whether you find your contractor here, on Angi, or anywhere else.
Every contractor we list is verified against public records, but verification is not a quality guarantee. Run through this checklist on any contractor you are seriously considering.
Follow these steps to find a reliable, licensed deck builder in the Cambridge, Massachusetts area.
Verify licenses and insurance
Check with your state licensing board. Ensure they carry general liability and workers compensation insurance.
Get 3+ written estimates
Compare detailed quotes that break down materials, labor, permits, and timeline. Avoid verbal-only estimates.
Check reviews and references
Look at Google reviews, BBB ratings, and ask for 2-3 references from recent local projects.
Confirm who pulls the permit
A reputable contractor pulls the building permit themselves — never agree to skip the permit.
Review the contract carefully
The contract should include scope of work, materials, timeline, payment schedule, warranty, and change order process.
Never pay more than 30% upfront
Standard payment schedules are 10-30% deposit, progress payments, and final payment upon completion and inspection.
Average deck building costs in Cambridge based on Massachusetts labor rates and material prices. Costs are for a typical 300 sq ft deck with railing.
| Service | Low | Average | High |
|---|---|---|---|
| Pressure-Treated Wood Deck | $7,188 | $9,216 | $12,165 |
| Cedar Deck | $9,984 | $12,800 | $16,896 |
| Composite Deck (Trex, TimberTech) | $13,978 | $17,920 | $23,654 |
Costs are estimates based on Massachusetts regional data. Actual prices vary by project complexity, site conditions, and contractor. Permit fees ($96–$640 in MA) are not included.
Get a Personalized EstimateMost cities require a building permit for decks that are attached to the house, over 200 square feet, or more than 30 inches above grade. Small, freestanding ground-level decks may be exempt.
Contact the Cambridge building department to confirm requirements and fees for your specific project.
General deck permit guideThe average cost to build a 300 sq ft deck in Cambridge ranges from $7,188 for pressure-treated wood to $23,654 for composite materials. The final price depends on materials, size, elevation, railing, and whether your project requires a permit. Use our free deck cost calculator for a personalized estimate.
Most cities, including Cambridge, require a building permit for decks that are attached to the house, over 200 square feet, or more than 30 inches above grade. Small, freestanding ground-level decks may be exempt. Contact the Cambridge building department or check our permit guide for specific requirements and fees.
Look for licensed and insured contractors with at least 3 years of experience. Verify their license with the Massachusetts licensing board, check Google reviews and BBB ratings, ask for 3+ written quotes, and request references from recent projects in the Cambridge area. Never pay more than 30% upfront.
The best material depends on your climate and budget. Composite decking (like Trex or TimberTech) is the most popular choice in Massachusetts due to low maintenance and 25-30 year lifespan. Pressure-treated wood is the most affordable at $23-$58 per sq ft installed. Cedar offers natural beauty but requires regular sealing.
A typical 200-400 sq ft deck takes 3-7 days to build once the permit is approved and materials are delivered. Permit approval in Cambridge can take 1-4 weeks depending on your local building department's workload. Plan for 4-8 weeks total from signing a contract to project completion.
Ask about their license and insurance coverage, who pulls the building permit, their warranty on labor and materials, a detailed written estimate, their timeline, and whether they use subcontractors. Also ask to see photos of recent deck projects in Cambridge and request at least 2-3 references.
Cambridge adopted the Specialized Opt-in Stretch Code in 2023, which means new construction in Cambridge faces higher energy performance targets than the statewide base code, similar to but separate from Boston.
Exterior changes, demolitions, and new construction in a local historic district or on a designated landmark property all trigger review. Interior work is usually exempt unless it affects protected interior features.
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Check Cambridge's building department for deck permit requirements in your area.
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