Verified record
Typical Greater Boston range for this kind of work, from regional averages — not a quote from BW Kennedy & Co. Use it to sanity-check bids, then get the real number in writing.
A typical single-level deck is 12×16 — about 200 sq ft.
Estimated range
$7,750 – $14,500
Typical carpentry project around $11,100
BW Kennedy & Co. is an Arlington-based builder and construction manager founded in 2009 by Brian Kennedy. The company says it serves greater Boston with complex commercial, academic, life-science, and historic projects, while BuildZoom lists 14 projects including Cambridge commercial work. The available customer comments are brief but positive: two 2026 Google reviewers called the service amazing and the quality top notch. Open-web coverage describes a completed biomanufacturing facility, an ABC Massachusetts Eagle Award, and a leadership promotion, giving the company a visible commercial-construction footprint. Before booking, confirm that the company’s commercial and institutional focus matches your project and ask for recent comparable references. Its BBB profile is A+ but not accredited, and the small Google review sample should not be treated as a broad residential track record. BW Kennedy looks best suited to complex commercial or institutional construction-management work. Confirm scope, delivery method, team, and project references before proceeding.
“Arlington, MA – BW Kennedy & Co. announced the promotion of Roland Jenkins to director of business development.”
“BW Kennedy & Co. announced it has been honored with the Eagle Award for Excellence in Construction by the Associated Builders and Contractors of Massachusetts (ABC MA)”
“BW Kennedy Completes Biomanufacturing Facility at Pathways Devens”
“BW Kennedy & Co, a Massachusetts-based company established in 2009, has quickly grown into a world-leading innovative and reputable construction firm”
“Movers & Milestones Posted: December 19, 2025 # BW Kennedy & Co. promotes Jenkins to director of business development  ... **Arlington, MA** [BW Kennedy](https://nerej.com/directory/bw-kennedy) & Co. has promoted Roland Jenkins to director of business development. ... Jenkins, previously a project manager, brings a decade of experience managing complex life science, manufacturing, and commercial projects to his new role. His portfolio includes tenant improvements for clients such as Wave Life Sciences, Lonza, an”
Amazing service
Best service and top notch quality
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1 change recorded — last scanned Sep 4, 2026.
Responsive communication5.0
Multi-trade basement finishes4.9
Custom built-ins4.2
Careful inspections4.2
Active registrationNot yet rated
Tile and bathroom work4.1
Long client relationship3.1