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Room Addition

Room Additions & Home Expansion in Colorado

Room Additions & Home Expansion in Colorado

Room Addition

Expand your living space with expertly planned and engineered room additions from PrimeStone. Whether you need more space for a growing family, a new home office, an expanded master suite, or a larger kitchen, our team delivers custom solutions that blend seamlessly with your existing home.

As a structural engineer–owned design-build company, we ensure every room addition meets engineering, structural, and building-code standards — resulting in safer, stronger, and more functional additions throughout the Denver Metro Area and the Colorado Front Range.

Our Room Addition Services

PrimeStone provides full-service room addition solutions from concept and design to construction and final inspection.

Home Expansion & Add-On Roomsg

Second-story additions
First-floor extensions
Bump-outs and bay window expansions
Garage-to-living space conversions
Master Suite Additions

Expanded bedrooms with walk-in closets
Master bathrooms
Private sitting areas and custom layouts
Kitchen & Dining Expansions

Enlarged kitchen footprints
Open-plan living and connected dining spaces
Structural reconfigurations for better flow
Living Room Extensions

Expanded common areas for family living
Fireplace and architectural feature integration
Large-format windows and natural light solutions
In-Law Suites & Accessory Living Spaces

Attached secondary living areas
Private entries and bathrooms
ADA-friendly designs
Custom Structural Improvements

Engineering evaluations for load-bearing walls
Roof tie-ins and structural framing
Foundation extensions and reinforcements

Because PrimeStone is structural engineer–owned, all room additions undergo an engineered review to ensure proper load paths, structural integrity, and building code compliance.

Our Room Addition Process

1. Initial Consultation & Structural Assessment

We begin with an in-home consultation to understand your space, needs, and goals. Our team evaluates existing structures, foundation conditions, and feasibility.

2. Custom Design & Engineering

We develop architectural plans, structural engineering details, and permit-ready drawings to ensure safety, compliance, and functionality.

3. Permitting & Approvals

We handle all interactions with local authorities — submitting plans, securing permits, and coordinating inspections.

4. Construction & Project Management

From foundation to finish, we deliver high-quality construction, structural framing, and detailed craftsmanship.

5. Final Inspection & Handoff

We ensure all inspections are passed, code requirements are met, and your newly expanded living space is ready to be enjoyed.

Why Choose PrimeStone for Room Additions in Colorado?

Structural engineer–owned company providing engineering oversight
Design-build approach for seamless project delivery
Full service: design, permits, construction, and inspections
Transparent pricing and clear communication
Custom solutions tailored to your home and lifestyle
High-quality craftsmanship trusted by homeowners and real estate professionals
Serving the Denver Metro Area and Colorado Front Range

PrimeStone combines structural expertise with construction excellence, giving you a room addition that not only looks great but performs safely and reliably for years to come.

Schedule Your Room Addition Consultation

Ready to expand your home?

Contact PrimeStone today to schedule a consultation and receive a detailed estimate for your room addition project.

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Room Addition FAQ

What types of room additions can you build?
We build a wide range of additions including expanded bedrooms, master suites, kitchen extensions, living room additions, second-story additions, in-law suites, and more — all tailored to your space and goals.
Do I need a permit for a room addition in Colorado?
Yes. Room additions require building permits for structural, electrical, plumbing, and mechanical work. PrimeStone handles all permitting and ensures compliance with local codes.
How long does a room addition take?
Timeline varies based on complexity, size, and permit processes, but typical room additions take 12–20+ weeks. We provide a projected timeline during planning.
How much does a room addition cost?
Costs depend on size, finishes, structural needs, and site conditions. A general range is $150–$300+ per square foot, but every project is different. We provide transparent estimates based on your specific design.
Will the addition look like part of my existing home?
Yes. Our designs focus on architectural continuity — matching rooflines, materials, windows, and style so the addition looks integrated.
Do you handle structural engineering for room additions?
Yes. Because PrimeStone is structural engineer–owned, we provide in-house engineering review, structural analysis, and design to ensure your addition is safe and code-compliant.
What if my house has foundation limitations?
We evaluate existing conditions and design a solution — whether that means reinforcing, extending, or modifying the foundation for a safe addition.
Do you manage subcontractors and inspections?
Yes. We coordinate all trades, schedule inspections, and manage the entire build process so you don’t have to oversee multiple contacts.
Can additions increase my home’s value?
Absolutely — properly executed room additions increase usable living space and often have a strong return on investment by increasing home value.
How do I get started with a room addition project?
Start by contacting PrimeStone to schedule an initial consultation. We’ll discuss your goals, evaluate your site, and prepare a detailed plan and estimate.

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