Custom Room Additions in Riverside County – Built to Fit Your Life Since 1999
Need more room to grow? From Palm Springs to Temecula, Honeywill Construction builds seamless home additions designed to expand your space, match your existing layout, and add long-term value—with trusted craftsmanship and communication you can count on.
About Our Home Additions Services
At Honeywill Construction, we design and build custom home additions that look and feel like they’ve always been part of your home. Whether you’re adding a new bedroom, expanding your living room, building a second-story suite, or creating a flexible space that grows with your family—we make it seamless.
With over 25 years of experience and deep roots in Riverside County, our veteran-owned, family-operated teamproudly serves homeowners in Hemet, Temecula, Murrieta, Palm Springs, and beyond. We combine trusted craftsmanship, clear communication, and structural expertise to deliver additions that enhance both your home’s function and long-term value.
More space. More comfort. Built to last—with the quality Honeywill is known for.
Our Room Addition Services
Full-Service Home Addition Design & Build
From initial ideas to move-in ready spaces, we provide complete design-build services to ensure your addition matches your home’s style, structure, and needs.
Bedroom Additions & In-Law Suites
Add space and comfort for growing families or long-term guests with custom bedroom builds or private, self-contained suites—ideal for multigenerational living.
Family Room & Great Room Expansions
Open up your layout and add usable square footage for relaxing, entertaining, and everyday living with a seamless extension of your main living space.
Second-Story Additions
Gain an entire level of livable space without expanding your footprint. Perfect for extra bedrooms, bathrooms, or a full upstairs retreat.
ADU – Additional Dwelling Unit
Add a private, self-contained living space for guests, rentals, or multigenerational living—designed for long-term comfort and lasting value.
Garage Conversions & Detached Additions
Transform existing space or build new from the ground up. Garage conversions and standalone builds are ideal for ADUs, studios, or rental units.
Why Homeowners Choose Honeywill Construction for Home Additions
- Over 25 Years of Kitchen Remodeling Experience
Fully Licensed California Kitchen Remodeler (#790150)
Unmatched Quality and Craftsmanship
Seamless Structural Integration
Trusted from Riverside to Temecula to Palm Springs
Trusted for Room Additions Across Riverside County
Our Home-Room Addition Process
Discovery Call & On-Site Consultation
We start with a conversation. Our team visits your home to evaluate the existing layout, understand your goals, and discuss design ideas, timeline, and budget—all with no pressure and no obligation.
Custom Design & Detailed Estimate
We provide a clear, itemized estimate and collaborate with you to design a room addition that blends seamlessly with your existing structure—ensuring it meets your family’s needs now and in the future.
Construction & Project Management
From foundation to final finishes, our licensed team handles it all. We coordinate every phase of construction—including framing, electrical, insulation, drywall, and trim—while maintaining a clean job site and providing regular updates along the way.
Final Walkthrough & Client Approval
Before we call it complete, we’ll walk the space with you to ensure every detail is exactly how you envisioned it. Your satisfaction is the final step in our process.
BUILT ON INTEGRITY. TRUSTED FOR Home Additions.
We don’t just talk quality—we’re licensed, vetted, and backed by 5-star reviews from Riverside County homeowners.
Room Additions in Riverside County and Beyond
Get Started
Honeywill Construction proudly provides custom home and room addition services across:
Hemet, Menifee, Temecula, Murrieta, Idyllwild, Palm Springs, Riverside, Moreno Valley, and surrounding communities across Riverside County, California.
Home Addition FAQ
How much does a room addition cost in Riverside County?
Room additions typically range from $30,000 to $100,000+, depending on square footage, materials, layout complexity, and finishes. Most mid-sized additions (400–600 sq. ft.) average around $60,000. At Honeywill Construction, we provide detailed estimates tailored to your home, budget, and goals—so there are no surprises along the way.
What’s the typical timeline for a home addition in Hemet, CA?
Most additions in Hemet are completed in 3 to 6 months from initial planning through final inspection. Factors like permitting, material lead times, and structural requirements can affect the timeline—but we prioritize clear communication and dependable project management throughout.
Can I stay in my home during construction?
In many cases, yes. If the addition is isolated from essential areas, we’ll help minimize disruption so you can remain at home. For larger builds or second-story additions, temporary relocation may be recommended for safety and comfort. Either way, we plan ahead to keep the process smooth.
Do I need permits for a room addition in Temecula or Murrieta?
Yes. The cities of Temecula, Murrieta, Palm Springs and all of Riverside County require permits for structural additions. We handle the entire permitting process, including plan submissions and inspections, ensuring your project meets all California Residential Code requirements.
What’s the difference between a home addition and a home renovation?
A home addition adds square footage to your home—like a new room, second story, or detached structure. A renovationimproves or updates existing space without expanding the footprint. At Honeywill, we offer both—and guide you toward the best solution for your needs.
Can you match the new addition to the style of my existing home?
Absolutely. Seamless integration is what we’re known for. We match rooflines, siding, windows, materials, and finishesto ensure your addition looks like it’s always been there—not like an afterthought.
How do I plan for plumbing, electrical, and HVAC in a room addition?
That’s part of our design-build service. We coordinate with engineers and inspectors to ensure code-compliant plumbing, electrical, and HVAC integration that ties into your home safely and efficiently—handled completely in-house.
Do you provide 3D renderings or floor plans before building?
Yes. We offer detailed floor plans and 3D visualizations during the planning phase so you can see how your addition will look and function—before construction begins. You’ll have the chance to tweak layouts and finishes for a perfect fit.
What’s the best way to add value to my home with a room addition?
The best value comes from smart, functional spaces that match your home’s layout and meet market demand. Primary suites, home offices, guest rooms with baths, and flex spaces tend to offer the strongest return on investment in Riverside County.
Do you build in-law suites or guest house additions?
Yes. We specialize in attached and detached in-law suites, complete with private entrances, bathrooms, and living spaces. Perfect for multigenerational living or future rental potential.
Can you convert my garage into a living space?
Absolutely. Garage conversions are a popular way to add livable square footage without changing your footprint. We can transform your garage into a bedroom, studio, office, or guest suite, fully insulated and up to code.
What are the benefits of adding a second story to my home in Menifee?
A second-story addition can double your livable space without expanding outward—ideal for smaller lots. It can boost your home’s value significantly, though it often requires structural reinforcement, zoning review, and expert planning, all of which we handle.
Do you build detached additions like home offices or rental units?
Yes. We build custom detached structures for offices, art studios, workshops, or even income-producing ADUs. These are designed to be functional, stylish, and fully independent while still complementing your main home.
Is it possible to add a new bathroom with a bedroom addition?
Definitely. We frequently include en suite bathrooms in new bedroom additions—especially for primary suites or guest quarters. It enhances daily comfort and adds resale value.
Do you offer room addition services in Idyllwild and surrounding areas?
We sure do. From mountain homes in Idyllwild to neighborhoods in Hemet, Temecula, and Palm Springs, we serve a wide area with expert knowledge of regional codes, climates, and design styles.
Explore more Construction Services By Honeywill
Ready to Expand Your Home?
LET’S BUILD A SPACE YOU NEED
Whether you’re adding a new bedroom, building a home office, or creating a second-story retreat, Honeywill Construction is here to help. We specialize in custom room additions designed to match your home and enhance your lifestyle—serving homeowners across Hemet, Temecula, Murrieta, and the greater Riverside County region. With expert design, skilled craftsmanship, and reliable project management, we bring your vision to life—on time and on budget.