Home Addition
Full-Service Design & Build123 Remodeling provides comprehensive home addition services in Phoenix, Scottsdale and surrounding areas — from expanding your living area to adding a new kitchen, bathroom, or second story. We handle every detail, from design and permitting to construction, ensuring your addition is as functional as it is beautiful.
Trusted by homeowners & associations
Expand Your Living Space with a Home Addition
At 123 Remodeling, we design and build custom home additions that blend seamlessly with your existing home while enhancing its function and appeal. Whether you’re envisioning a spacious new primary bathroom, a gourmet kitchen expansion, or a second-story addition for your growing family, our expert team will bring your vision to life.
We manage the entire process — from initial design and permitting to construction and finishing touches — for a smooth, stress-free experience. With a focus on quality craftsmanship and personalized service, we create spaces that complement Arizona’s indoor–outdoor lifestyle and your family’s needs.
Our Design-Build Process
A Seamless Experience from Start to Finish-
1 . Design Consultation
We start with an in-depth consultation to understand your goals, style, and budget. Our expert designers create custom concepts that reflect your vision.
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2 . 3D Rendering & Material Selection
Visualize your remodel with realistic 3D renderings and select luxury materials, fixtures, and finishes tailored to your aesthetic.
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3 . Permits & Documentation
We handle all permits, blueprints, and city approvals, ensuring compliance with Arizona building codes and HOA regulations.
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4 . Ordering & Delivery
Your dedicated project manager oversees material procurement, inspections, and on-time delivery so your project stays on schedule.
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5 . Expert Construction & Installation
Our licensed and insured contractors bring your vision to life with precision craftsmanship, quality materials, and timely project execution.
Our addition remodeling services
Our Home Addition Projects
Our portfolio showcases a diverse range of home addition projects throughout Arizona, from single-room expansions to large-scale second-story builds. Each project demonstrates our commitment to exceptional quality, meticulous attention to detail, and our ability to create spaces that elevate your lifestyle and increase home value.
We have a proven track record of delivering complex projects on time and on budget, with client satisfaction as our top priority. Browse our past projects to see our craftsmanship firsthand and get inspired for your own home transformation.
Our Latest Remodeling Projects
What Our Clients Say
“Bathroom addition was done on time and on budget. The team was professional and friendly. The project manager was always available to answer questions and provide updates. I would highly recommend 123 Remodeling to anyone.”
“123 Remodeling completed a large scale addition (over 2000sqft) to my home. They built a new kitchen, 2 bathrooms, living room, bedroom and a new garage. The design is modern and looks great. Working with Rhonda and the team was a pleasure!”
Kitchen and Bathroom Additions
Kitchen and bathroom additions can dramatically increase your home’s value while transforming daily living. Whether you’re expanding your kitchen to create the perfect entertaining space or adding a spa-like primary bathroom retreat, we deliver outstanding results.
We collaborate with you to design spaces that reflect your lifestyle and preferences, incorporating premium materials and modern amenities that perform beautifully in Arizona’s climate. Every addition is planned for both stunning aesthetics and lasting durability.
Second-Story Additions
Second-story additions are an excellent way to maximize living space without expanding your lot — especially valuable across the Valley’s established neighborhoods. Whether you need additional bedrooms, a dedicated home office, or a children’s play area, we design and build second stories that seamlessly complement your home’s existing architecture.
Our team brings advanced structural engineering and specialized construction expertise to handle the complexities of adding a second story, ensuring safe integration with Arizona’s building requirements. We’ll partner with you to create comfortable, energy-efficient spaces that enhance both your family’s lifestyle and your property value.
Why Choose Us for Your Home Addition?
At 123 Remodeling, we’re committed to delivering exceptional service and quality for Arizona homeowners. As a full-service design–build firm, we streamline your entire home addition project from initial concept to final walkthrough. Our experienced team of designers, project managers, and skilled craftsmen collaborates to complete your project on time, on budget, and to your specifications.
We’re fully licensed and insured, and we stand behind our work with comprehensive warranties. When you choose 123 Remodeling for your home addition, you’re partnering with local professionals who understand Arizona’s unique building environment and are passionate about bringing your vision to life.
Start Your Home Addition
Contact us today for a free quote and consultationFrequently Asked Questions
We offer full-service home additions in Phoenix and the Valley. Our services range from expanding your living space to adding a new kitchen, bathroom, bedroom, or even a second story. We handle everything from architectural design and permitting to construction and finishing touches. Whether you need a garage conversion, a room addition, or a major home expansion, we ensure a seamless process and a high-quality result that blends perfectly with your existing home.
Sure! We are fully licensed to work on residential and small commercial projects. Our license number is ROC 336595 and you can verify it at Arizona Registrar of Contractors website. We're insured for projects up to $2,000,000.
The cost of a home addition depends on the size, complexity, and materials selected for your project. You can find a general remodeling costs in our article "2025 Guide to Remodeling Costs in Phoenix, Scottsdale and the East Valley".
We provide a free, detailed quote with transparent pricing and an all-inclusive service package to ensure there are no surprises. To receive a personalized estimate tailored to your project, call us at (480) 716-9335 or email us at sales@123remodeling.com to schedule a free consultation.
A home addition can take anywhere from three to six months or more, depending on the complexity of the project. The timeline is influenced by architectural design, permitting, material availability, and the scope of construction. We provide a detailed project schedule upfront and keep you informed throughout the process to ensure a smooth and timely completion.
For kitchen and bathroom remodels many homeowners choose to stay in their homes while work is being completed. For full-home renovations or projects involving major structural changes, temporary relocation may be recommended to ensure comfort, safety, and minimal disruption.
Our team works efficiently to minimize inconvenience, and your dedicated project manager will coordinate a schedule that fits your lifestyle. If you decide to stay during the remodel, we will take steps to reduce dust, noise, and worksite impact.
We proudly serve homeowners throughout the Greater Phoenix area, including: Phoenix, Scottsdale, Tempe, Mesa, Chandler, Paradise Valley, Cave Creek, Fountain Hills, Carefree, and surrounding East Valley suburbs. As a Scottsdale-based luxury remodeler, we understand the unique design styles, climate considerations, and local requirements.
Not necessary. Our in-house design team handles everything from custom layouts and 3D renderings to material selection and project planning. If architectural plans are required for major structural changes (like alteration of load-bearing walls), we coordinate all necessary documentation and approvals, ensuring a streamlined process.
Our team works closely with you to design a space that is functional, beautiful, and built around your needs without unnecessary delays or added complexity.
Starting your remodel is simple. Schedule a free consultation, and we’ll discuss your goals, budget, and design preferences. During in-home consultations, our designer will provide expert guidance, design ideas, and a detailed estimate to bring your vision to life. Call (480) 716-9335 or book a consultation online to begin your home transformation today.