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Home Modifications for Seniors in Derry, NH

One Provider for Every Modification Your Home Requires

Cornerstone Services handles home modifications for local seniors, from grab bar installation and wheelchair ramps to stairlift installation, bathroom renovations, kitchen modifications, and smart home setup. What sets us apart is simple: we also handle the electrical, plumbing, and HVAC work those modifications often require. It's all under one company, one per-job price, and one signed workmanship warranty. No coordinating multiple contractors. One call does it all.

Aging in place is the goal for most seniors and their families. Staying in a familiar home is safer emotionally and often physically when the home is properly adapted. We’ve built that adaptation capability across every trade, so Derry families don’t have to piece together a solution from several providers. Our service vehicles are staged on-call from multiple locations, and we’ve earned more than 1,250 five-star reviews across Google, HomeAdvisor, Facebook, and Yelp by doing exactly this kind of work.

Ready to make your home safer and more accessible? Call us at (603) 874-1402 to schedule your consultation, or read on to see what our home modification services cover. Same-day scheduling is available for customers who need help quickly.

Our Home Modification Services in Derry

Every accessibility modification addresses a specific challenge. Here’s what we install and adapt for Derry seniors and their families:

  • Home Wheelchair Ramp: Safe, code-appropriate ramp installation for accessible home entry, with permanent or portable configurations depending on your home’s layout.
  • Grab Bar Installation: Grab bar installation in bathrooms, hallways, and stairways for support and stability. Bathrooms and stairs are among the highest fall-risk zones in most homes.
  • Stairlift Installation: These are motor-driven chair lifts for multi-level homes, giving seniors safe, independent access to every floor without assistance.
  • Bathroom Renovations for Seniors: This includes walk-in tubs, shower seats, raised toilet seats, adjustable showerheads, non-slip flooring, and accessible sink configurations. All are adapted for senior bathroom safety.
  • Kitchen Modifications for the Elderly: Kitchen modifications with lowered countertops and cabinets, lever-style faucets, and pull-out shelves that benefit seniors with arthritis or limited dexterity.
  • Smart Home for the Elderly and Disabled: This includes voice-activated systems, smart security, and automated lighting that reduce the need to move through the home for routine tasks.
  • Senior Living Construction: This includes larger-scope structural adaptations to living spaces, including widened doorways, improved lighting plans, and handrail installation throughout the home.

Because we handle electrical, plumbing, and HVAC work in-house, modifications that require trade support, such as wiring for a stairlift, plumbing for a walk-in tub, and ventilation for a bathroom renovation, don’t require a separate contractor. Every scope of work stays under the same roof.

How Our Home Modification Process Works

We follow a four-step process on every project, built around minimizing disruption and protecting the client at every stage.

Step 1: Consultation

We assess the home thoroughly and discuss the client’s specific needs and preferences. This includes identifying hazards that aren’t always obvious, such as lighting deficiencies, threshold heights, and door-width constraints, alongside the modifications the client already has in mind.

Step 2: Design and Planning

We build a customized modification plan around the individual’s requirements and the home’s layout. You know exactly what we’re doing and what it costs before any work begins. We price by the job, not the hour. The number we quote is the number you pay at completion, with no adjustments or hidden fees.

Step 3: Implementation 

Modifications are carried out by background-checked workers with minimal disruption to daily life. Every worker we send to your property has cleared a background check before arriving. Our technicians clean up after every job and leave the property spotless when the work is done.

Step 4: Follow-Up

We confirm the work meets your satisfaction before we close the project. Every completed job is backed by a signed workmanship warranty under our quality assurance policy. That gives you documented protection on our work, not just a verbal promise.

Why Derry Families Choose Cornerstone Services

The single-provider model is the clearest reason. When a family is coordinating care for a senior parent, managing multiple service relationships is one more burden they don’t need. With Cornerstone Services, the electrical work for a stairlift, the plumbing for a walk-in tub, and the accessible bathroom renovation all come from one company, one call, and one warranty. No accountability gaps between contractors. No separate scheduling windows to manage.

Our track record backs that model up. We’ve earned more than 1,250 five-star reviews across Google, HomeAdvisor, Facebook, and Yelp, a number built one job at a time across every trade we service. Same-day scheduling is available for customers who need help quickly. Financing options are also available, so ask about current terms when you schedule. Monthly promotions offer additional opportunities to save on scheduled services.

Schedule Your Home Modification Consultation

If you’re ready to make your Derry home safer and more accessible for a senior family member, we’re ready to help. Call Cornerstone Services at (603) 874-1402 to schedule a same-day or next-available consultation, or visit our contact page to send us your details. We can assess the home, walk you through a clear modification plan, and give you a per-job price before any work begins.

Call (603) 874-1402 and let Cornerstone Services put together the right accessibility solution for your home.

The Price We Quote is the price you pay at completion, every time.

No hourly overruns, no hidden fees. Every job is backed by a signed workmanship warranty.

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1,250+ Five-Star Reviews & Counting

We let our work speak for itself. From quick repairs to major installs, our customers say it best.
5
Based on 1,250+ reviews
    "Paul was by far the best one"
    Paul Quinn did electrical work for me and he was the best!
    Nicola Sullivan
    "Excellent to work with"
    Michael with Cornerstone Services was excellent to work with.
    Jamie Fasbender
    "He was very professional"
    He was very professional and explained all that he was doing.
    Mary Duford
    "A job well done!"
    Showed up as agreed and was very informative.
    John Cote
    "Fast response and very professional"
    Fast response and very professional.
    Anne Butterworth
    "Entire AC Unit Redone"
    On time. Thorough. Kind. Positive attitude in this awful heat.
    N N
    "I couldn’t be happier"
    Cornerstone came promptly and fixed them.
    Marilyn Frank
    "Overall, a Great Experience"
    He and his partner PJ worked quickly and efficiently to solve a dryer vent issue we had been experiencing.
    Pierre Thelusma
    "Excellent Service, Very Cordial"
    Took care of our electrical needs with ease!
    Peter Larocque
    "Paul from Cornerstone was fantastic!"
    He was quick, thorough, professional, and made sure everything was done right.
    Jess Nichol
    "Nothing but a wonderful experience"
    10/10 experience and so happy we got in touch with him and this company!
    Anthony Capozzi
    "Did an Excellent Job Finding a Leak"
    They were so neat, you would never know there was a problem.
    Bill Mullen
    "Paul is always friendly, polite, and professional"
    Paul is always friendly, polite, and professional.
    Cindy Marcin
    "All Went Smoothly and Efficiently"
    Paul was efficient and expert at correcting the problem and ensuring all was well.
    Woodrow Cook
    "Robert Did Fantastic Work"
    He went above and beyond for me when some unforeseen issues arose with my bathtub install.
    Susan Hevey
    "New customer"
    Tech was on time, friendly, and competent.
    Vincent JJ Balukonis
    "Jason did a fantastic job"
    He was very thorough and quickly corrected the issue.
    Gary Chisholm
    "Very Prompt and Clear Service"
    Josh was very prompt with his services and explained things clearly.
    Kim Mcanany
    "Great job, appreciate the care"
    Arnold is a pleasure to work with.
    Esther Bradbury
    "Jason is always great and knowledgeable"
    Jason is always great and knowledgeable and friendly.
    Mark Duell
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Questions We Hear Before Every Job

Do you charge by the hour?
No. Every job is priced by the job, not the hour. We give you a flat rate before the work begins, and that number doesn't change at completion, regardless of how long it takes.
What trades do you handle?
We cover HVAC, plumbing, electrical, cleaning, handyman work, and home modifications, including wheelchair ramp installation, grab bar installation, and stairlift installation. Every trade is handled by the same company under one warranty.
Is same-day service available?
Yes. Call us and we'll work to get a technician out the same day. Our staff is on-call 24 hours a day, every day of the week.
Are your workers background-checked?
Yes. Every worker we send to your property has passed a background check before setting foot in your home or business.
Do jobs come with a warranty?
Yes. Every completed job is backed by a signed warranty under our quality assurance policy. You get documented protection on the work, regardless of which trade performed it.
Do you serve commercial customers?
We do. We handle both residential and commercial work across every trade, with the same per-job pricing and signed warranty for business customers.

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