Home Addition Contractors in Scottsdale, AZ
Your family outgrew your house before you were ready to leave it.
A home addition gives you the space you actually need, without giving up the neighborhood, the yard, or the home you already love.
ArDan Construction designs and builds home additions throughout Scottsdale, Paradise Valley, Cave Creek, Carefree, and Fountain Hills, matched so seamlessly to your existing home that no one can tell where the old house ends and the new space begins.

License ROC
#319307 KB-2

NARI Gold
Award Winner

Established
2007

100+ 5-Star
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BBB
Accredited
Why Most Additions Don’t Feel Like They Belong
Anyone can attach a new room to a house. Making it look, feel, and function like it was always part of the home is a different skill entirely.
A poorly planned addition shows. The roofline doesn’t quite line up. The flooring transition is obvious. The new space feels bolted on instead of built in. And beyond the aesthetics, there are real risks: structural issues from tying into an existing home incorrectly, permits that get missed or mishandled, and a construction timeline that drags on because the crew wasn’t prepared for what an older home’s structure actually required.
The right addition should do the opposite. It should solve your space problem and disappear into the architecture, so the only thing anyone notices is how much more livable your home feels.
WHAT WE BUILD
Home Addition Services in Scottsdale
Whether you need one new room or an entire wing, our design-build team plans your addition around how your family actually lives, then builds it to match your existing home’s structure, materials, and style.
Common home additions we build:
- Primary suite additions
- Additional bedrooms
- Expanded kitchens and living areas
- Home offices and flex spaces
- Casitas and detached guest suites
- Second-story additions
- Garage conversions and expansions
Every addition starts with the same question: what does your family actually need more of, whether that is room to gather, room to work, room for guests, or simply room to breathe?
How It Works
Our Design-Build Process for Additions
Step 1: In-Home Consultation
We assess your existing structure, lot, and HOA requirements (if applicable), then give you an honest read on what’s possible and what it will cost before any design work begins.
Step 2: Feasibility and Design
Our in-house design team matches your addition’s roofline, materials, and finishes to your existing home, so the transition is invisible, not obvious. You’ll see the final result in VR before construction starts.
Step 3: Build & Warranty
Our team builds your addition with the same job-site protection and daily communication as every ArDan project, and backs the finished work with a two-year warranty.
This is a design-build process from start to finish.
What A Home Addition Costs In Scottsdale
What to Expect on Budget and Timeline
Home addition costs vary widely depending on square footage, structural complexity, and finish level. Additions with a simpler scope typically start at the lower end of our project range, while additions with second-story work or extensive structural changes trend toward our larger project range of $800,000 to $1.6 million. We’ll give you real numbers specific to your home and goals during your feasibility consultation.
Timeline also depends on scope. Straightforward additions can take a few months of construction, while additions requiring structural changes to the existing home or second-story work often take longer. Permitting timelines add to this as well, and we’ll walk through realistic dates before you commit to anything
See The Difference
Additions That Don't Look Like Additions
What Our Client Say
We had Ardan do our complete home remodel and addition. We are very happy and excited to give Ardan the highest rating. Quality people and quality work!
- Michael H.
If you want someone who will work with you on your remodeling project, then ArDan is the one.
- Sandy F.
We have been so impressed with ArDan’s exceptional communication, reliability, and professional approach, setting the tone for a seamless process while undergoing our remodeling project in Phoenix
- Laura G.
Where We Build
Serving Scottsdale's Most Established Neighborhoods
ArDan builds home additions throughout North Scottsdale, Paradise Valley, Cave Creek, Carefree, and Fountain Hills.
- Scottsdale
- Phoenix
- Paradise Valley
- Cave Creek
- Carefree
- Fountain hills
Ready To Give Your Home The Space It Needs?
Let's Talk About Your Addition
Let’s design an addition that feels like it was always part of your home.
Frequently Asked Questions
How much does a home addition cost in Scottsdale, AZ?
Home addition costs depend heavily on square footage, structural complexity, and finish level. Simpler additions fall toward the lower end of our project range, while second-story additions or extensive structural work. Casitas can reach $800,000 to $1.6 million. We provide real numbers specific to your home during your feasibility consultation, not a generic estimate. An addition typically ranges from $550 to 750 per sq ft and can vary due to complexity and luxury finishes.
How long does a home addition take to build?
Straightforward additions can take a few months of construction. Additions requiring structural changes to the existing home, second-story work, or extensive permitting typically take longer. We’ll walk through realistic timelines specific to your project before you commit to anything.
Will my home addition match the rest of my house?
Yes. Matching your addition seamlessly to your existing home’s roofline, materials, and architectural style is the entire point of working with a design-build team. Our in-house design process is built around making the addition disappear into your home, not stand out from it.
Do home additions require permits in Scottsdale?
Yes. Any addition that changes your home’s structure, electrical, plumbing, or footprint requires permits from the City of Scottsdale, and often HOA approval as well. ArDan manages the entire permitting process as part of your design phase, so it’s factored into your timeline and budget from the beginning.
What's the difference between a home addition and a casita or guest house?
A home addition is physically attached to your existing house, expanding its footprint directly. A casita or guest house is a separate, detached structure on your property. Both solve a space problem, but they serve different needs: an addition extends your main living space, while a casita creates private, self-contained space for guests, family, or a home office.








