In-Law Quarters in Lebanon, PA
- Quality you can trust.
Keep Your Loved Ones Close. In Comfort & Style.
Life’s greatest joy is family. As your family evolves, the desire to have multiple generations living close by. Yet not under the same roof, becomes a priority. An in-law quarter is the perfect solution, offering a delicate balance of closeness and independence for the people you care about most.
At ISM Construction, we specialize in creating thoughtful, private, and beautifully crafted in-law suites. For over 30 years, our family-owned design-build firm has helped Lebanon County homeowners create welcoming and functional spaces for aging parents, returning college students, or long-term guests. We design each unit to be a true home, providing comfort, safety, and a genuine sense of personal space.
- Feature services
Designing for Independence & Peace of Mind
Private, Separate Entrances
Fosters a sense of independence and allows family members to come and go without disturbing the main household.
Fully Functional Kitchens
From complete kitchens for independent living to convenient kitchenettes, we design the space to perfectly match your family's needs.
Accessible, Safe Bathrooms
We incorporate universal design principles — zero-entry showers, grab bars, wider doorways — to ensure safety and comfort for all ages.
Spacious, Comfortable Living Areas
We design bright, open living areas that provide a welcoming space for relaxation and personal time.
Seamless Architectural Integration
Whether attached to your home or as a detached cottage, we ensure the new unit architecturally complements your existing property.
- The ISM Renovation Advantage
Why ISM is the Right Partner for Your Family Suite
Building a space for a loved one is a deeply personal project. It requires a builder with not only technical skill but also empathy and a collaborative spirit. Homeowners across Central PA trust ISM Construction because our design-build process is founded on communication and a shared commitment to your family’s well-being.
As a single, accountable team, we manage every detail, from navigating complex local zoning and permitting for local zoning and permitting for In-Law Quarters to ensuring every finish is perfect. Our legacy of over 700 successful projects and our memberships in the NAHB, PBA, and LCBA reflect our dedication to quality. We build every in-law suite with the same care and craftsmanship as if it were for our own family.
- Clear steps. Better results.
Our Process for Creating Your Family Suite
01
Design & Plan
Our first meeting is a conversation about your family's specific needs, lifestyle, and level of independence required. Our designers then create a custom floor plan that maximizes comfort, privacy, and accessibility.
02
Price & Sign
You'll receive a detailed, transparent, fixed-price contract that outlines the full scope of work, giving you complete financial clarity and peace of mind.
03
Build
Our team builds with the utmost respect for your property and your privacy, working efficiently to deliver a high-quality space with minimal disruption.
04
Walk Through & Enjoy
We conduct a meticulous final walkthrough to ensure the new suite is perfect and ready for your loved ones to move in, backed by our comprehensive warranty.
Pricing Guide
| Category | Size | Estimated Cost | Details |
|---|---|---|---|
New Homes | Small Medium Large | $350,000 – $450,000 $550,000 – $750,000 $1,000,000+ | 1,500 sq. ft. 2,500 sq. ft. 3,500 sq. ft. |
Additions | Small Medium Large | $65,000 – $85,000 $180,000 – $225,000 $300,000+ | Based on 14×16 Sunroom 20×30 Great Room Full in-law quarters with kitchen |
Remodels | Small Medium Large | $50,000 $90,000 $300,000+ | Bathroom Kitchen Whole House |
Garages and Pole Buildings | Small Medium Large | $70K – $80K $180K – $195K $250K – $300K | Pole Bulding 30X40 Detached Garage Detached Garage W/Finished Second Floor Bonus Room |
- Got questions
In-Law Suite FAQs
Your Building Questions, Answered
What is the difference between an in-law suite and in-law quarters?
Can you make the suite fully accessible for a wheelchair user?
Does In-Law Quarters add value to my property?
Absolutely. A well-designed, legally permitted In-Law Quarters can significantly increase your property’s value and appeal to a wider range of future buyers.
Bring Your Family Together.
Creating a dedicated space for your loved ones is an investment in your family’s future and your peace of mind. Let’s work together to build a beautiful, comfortable, and independent home for the people you cherish most.