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Homeowners call Fennell Engineering when a beam, basement, garage, or other structural question needs a clear answer. The Andover practice is run by Sean Fennell, PE, and its website says it produces structural design documents for residential and light-commercial construction and renovation, along with structural and damage inspections. Recent Google reviewers describe Sean as practical and direct: in January 2026 one homeowner said he explained what was needed and what was not, while an April 2026 review said his assessment of a small structural issue saved thousands of dollars. Earlier customers hired the firm to assess a beam at a vaulted ceiling, check a house before purchase, evaluate a garage after a car crash, and prepare stamped plans for new column and beam systems. Reviews from 2019 through 2021 repeatedly mention quick appointments, understandable explanations, detailed reports, and help weighing repair options. There is one counterpoint to ask about. A May 2019 reviewer said attempts to reconnect for another project went unanswered or were very slow after an earlier good experience; that is an old account, but it is worth confirming current response times and availability before a time-sensitive project. The website lists Massachusetts, New York, and New Hampshire PE numbers as self-reported, so confirm the appropriate registration for your project and jurisdiction when you call. Fennell Engineering is a sensible call for structural assessments, design documents, and renovation questions where you want the technical issue explained in plain language. Ask what deliverable your project needs, who will perform the site visit, and the expected report and drawing turnaround.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Fennell Engineering, Inc.. Use it to sanity-check bids, then get the real number in writing.
Firms price in size tiers, not per foot — pick the bracket.
Estimated range
$530 – $760
Typical inspection around $650
Fennell Engineering was honest and easy to work with when they helped me assess a small structural issue at my home. They saved me thousands of dollars.
Sean was very responsive and very realistic about what we needed, and just as important, what we didn’t need. Practical, no nonsense, and fair.
Fennel Engineering was great to work with. I referenced them to perform a structural analysis on a property I was considering purchasing, and their thoroughness, professionalism, and attention to detail truly stood out. They identified several key issues that weren’t initially obvious, and thanks to their clear and detailed report, I was able to make an informed decision to walk away from the sale. That decision likely saved me tens of thousands of dollars in unexpected repairs. I’m beyond grateful for their expertise and highly recommend Fennel Engineering to anyone needing a trusted structural assessment. Total pros from start to finish.
I was assigned Fennell Restoration by my insurance company, and consider myself very fortunate to have his team rebuild most of my downstairs area that was damaged by a water leak. His team went to work and while they did their work,Sean was always available for a quick update or consult. I was amazed that I could send him an email question and get a call on my cell the next morning from Sean himself.. Sean is always there when you need him. I cant praise these folks enough!
I had a great experience with Fennell Engineering. Sean was professional, responsive, and very practical in his evaluation of my property. I especially appreciated his technically precise yet easy to understand explanation of the issue I asked him to assess. I would not hesitate to call him again should I ever need to.
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1 change recorded — last scanned Jul 31, 2026.
Trusted referrals3.1
Advanced technology4.6
