Premier Casita Specialists in Phoenix, AZ: Reliable Casita Professionals Near You

Convert your empty backyard into a stunning, revenue-producing, or multi-use casita with Everything Residential & Commercial. We plan. We permit. We build — all with clear pricing, fast timelines, and deep local knowledge guiding every step.
ERC is Phoenix’s top-rated custom casita builder, building everything from cozy in-law suites and multigenerational living spaces to lease-ready backyard homes, private home offices, poolside retreats, and peaceful outdoor living spaces. We personalize every casita to fit your needs, your space, and your vision perfectly. Proudly serving greater Phoenix and surrounding communities, including Arcadia, Scottsdale, Tempe, Chandler, Mesa, and Gilbert.
Book Your Free Casita Consultation Now
Why Consider Building a Custom Casita in Phoenix?

Creating a custom casita in Phoenix goes beyond a basic home upgrade — it’s among the most strategic lifestyle and financial choices a homeowner can make. With Arizona’s booming housing demand, favorable property taxes, and year-round sunshine, a professionally built casita completely reimagines how you use and enjoy your property.
A well-designed casita provides true flexibility for your household. It allows aging parents, adult children, or guests to have their own private space without needing to invest in a separate property. Across Phoenix, homeowners are turning their casitas into inspiring home offices, creative art studios, and peaceful backyard retreats — spaces designed to focus, recharge, and connect.
Limitless Opportunities for Your Bespoke Casita

Multigenerational Living: Offer senior family members or adult children a welcoming, separate area to stay comfortably — right in your own backyard.
Home Office or Creative Studio: Ideal for remote workers or artists who require a distraction-free, separate workspace nearby.
Rental or Airbnb Income Property: Earn reliable rental income in high-demand markets like Scottsdale and Tempe, perfect for both long-term renters and vacation renters.
Private Guest Suite: Host friends and family with their own fully equipped retreat, complete with a kitchen, bathroom, and living area.
Wellness or Hobby Space: Transform your casita into a dedicated gym, yoga studio, art workshop, or meditation space.
Phoenix homeowners enjoy how a single custom casita can be used in many ways and grow alongside their lifestyle for many years.
Other Construction Services We Offer
Curious about our services? We invite you to take a closer look into the space of premium craftsmanship and creative solutions with ERC.
Our extensive service lineup is so extensive, prepared to take on projects of any size or scope in the East Valley region of Phoenix, AZ.
Check out our signature solutions that definitely have mind-blowing results!
Our services consist of:
Why Consider a Custom Casita With ERC?

Casitas or Assisted Living
A lot of Phoenix families are frequently seeking a solution to look after elderly family members while avoiding the overwhelming costs of assisted living facilities.
A custom casita built by ERC fills that gap seamlessly.
Our fully ADA-compliant casita designs include no-step entrances, grab bars, expanded hallways, and built-in emergency systems — all created with the comfort, privacy, and dignity your family needs.
From Scottsdale all the way to Chandler, we help Phoenix families build secure and stylish casitas where aging at home becomes a truly achievable and affordable option.
Casitas for Supported Living
Households assisting members with disabilities benefit from adaptable, respectful housing solutions.
A custom casita on your Phoenix property can be designed around your family member’s unique requirements — featuring wider doorways, roll-in showers, custom layouts, and complete ADA accessibility — while keeping them close to home and maintaining their independence.
Casitas Designed for College Students & Older Teens
For Phoenix households with students at ASU, Grand Canyon University, or nearby colleges, a backyard casita offers an affordable, practical alternative to apartment leasing.
It gives older teens and young adults a private, independent space to develop — close enough for support, yet separate enough to develop real-world skills.
Casitas for Pool Houses
A custom pool house casita transforms your backyard into a luxury oasis.
Whether you imagine a cool, shaded escape, an entertainment hub, or a complete guest suite beside your pool, ERC creates pool house casitas that make the most of your outdoor space while significantly boosting your property’s appeal and value.
Increase Home Worth with a Custom Casita

A professionally designed and built casita can dramatically elevate your home’s resale appeal and overall market value across Phoenix. As demand for flexible and multigenerational living reaches all-time highs, investing in a custom casita is among the most lucrative upgrades homeowners in Phoenix can pursue.
Real estate experts regularly point out that properties with a well-constructed casita in areas such as Arcadia, North Phoenix, and Chandler tend to sell quicker and at premium prices. Today’s buyers prioritize versatility — whether for housing extended family, hosting guests in style, or generating rental income that helps offset mortgage costs.
ERC makes sure each casita integrates flawlessly with your primary residence, aligning architecture, exterior finishes, and materials for a cohesive look. From luxury poolside casitas to sleek modern ADUs, our designs add genuine curb appeal and lasting long-term value.
A strategically designed casita can deliver up to 30% ROI depending on size, finishes, and neighborhood demand. It’s more than added space — it’s a value-building, lifestyle-upgrading investment tailored for Phoenix’s rapidly expanding market.
When you partner with Everything Residential & Commercial, you’re doing more than just constructing an addition. You’re enhancing your home’s value, livability, and long-term potential.
EXCELLENT
Based on 54 reviews
Posted on Google![]()
ElleAnna ChaconTrustindex verifies that the original source of the review is Google.
they did a full kitchen remodel in my home and i was very satisfied with the way everything turned out. they are very knowledgeable and trustworthy. i can tell they wanted me to be 100% satisfied with the remodel and i definitely was! they surpassed my expectations!Posted on Google![]()
Lauren RamosTrustindex verifies that the original source of the review is Google.
ERC is the top of the line. They handle each build with precision, dedication and accuracy while being transparent about the outcome/timeframe. I have had the pleasure of working with both Christian and Randy to help renovate my commercial business and will be contacting them further for any other projects.Posted on Google![]()
Christopher ColemanTrustindex verifies that the original source of the review is Google.
ERC has made the construction process as easy as it can be. The Casita is very beautiful and we're extremely happy with the results!Posted on Google![]()
Steven SpirlongTrustindex verifies that the original source of the review is Google.
We used Everything Residential for a large home addition and RV garage. Our project turned out amazing! They were very easy to work with, and each step moved quickly after getting approved from our city. They were a great team and all of the subs that were used on the project were highly professional and friendly. They had good communication over the course of the project and we would highly recommend them to anyone wanting a professional, 5 star home renovation or addition.Posted on Google![]()
Tonya CrosbyTrustindex verifies that the original source of the review is Google.
They did a large home addition for me and it was incredible! Thank you Randy and ChristianPosted on Google![]()
Mitchell NilanTrustindex verifies that the original source of the review is Google.
The level of knowledge Christian has is amazing, not to mention his team is equally as knowledgeable! Their working environment together and with everyone included is so great! Do yourself a favor and just watch a few of his videos and you will see that these guys are the EXACT group of people you need for your brand new breathtaking new addition. YOU FOUND THE RIGHT PEOPLE FOR THE JOB WHEN YOU GO WITH ERC.build, I promise you that!Posted on Google![]()
Andrew ShlaimonTrustindex verifies that the original source of the review is Google.
Christian was great to work with. Very organized and efficient.Posted on Google![]()
Routhier ResidenceTrustindex verifies that the original source of the review is Google.
These guys came in and took care of everything that needed completed for the sale of our home. I would highly recommend these guys for any of your home needs. Christian and Cody were very professional on time and got things done..Posted on Google![]()
Michelle WennerstrumTrustindex verifies that the original source of the review is Google.
They built a casita for us. The casita turned out better than I could have imagined. Great company to work with. Company communication was top notch, quality of work was 5 stars, entire crew was great, very professional. Highly recommended!Posted on Google![]()
Josh MarquezTrustindex verifies that the original source of the review is Google.
Had to build a back house for laundry and storage and Christian and his team were very clear and easy to work with. Job was done before the deadline and came out perfect. Would recommend for any job of any size!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Our Seamless Casita Building Process

At ERC, building your tailor-made Phoenix casita is simple, fully transparent, and stress-free every step of the way.
- No-Cost Site Visit & Needs Assessment — We connect you at your property to review your space, go over your casita goals, and confirm zoning or HOA guidelines.
- Personalized Casita Design with 3D Models — Preview your completed casita prior to a single shovel hits the ground, with complete 3D modeling of floor plans, materials, and finishes.
- Transparent Pricing & Estimate — Get a clear casita estimate with no hidden fees, plus guidance on financing and rental ROI forecasts.
- In-House Permitting & HOA Coordination — ERC handles every Phoenix building permit, zoning approval process, and HOA approval so your casita stays on schedule and fully compliant.
- On-Time Final Walkthrough — We complete a detailed final walkthrough making sure every detail of your casita meets our high standards before you take occupancy.
During the build, our project management app keeps you informed every day — zero guesswork, no running after information.
About Us

At Everything Residential & Commercial (ERC)
Here at Everything Residential & Commercial (ERC),
we are more than builders; we are architects of dreams, bringing ideas into something real!
Our commitment is to top-tier quality, with our expert Savage Design Team guiding the process to turn your visions to life.
As a leader in cutting-edge yet timeless design, ERC is not merely a building company; we are craftsmen of environments that align with your unique lifestyle.
So, if you’re looking to bring your dreams into a finished masterpiece, ERC is your trusted dream contractor in Phoenix, AZ!
If you’re creating a personal getaway for family, a income-generating ADU for passive income, or a thoughtfully crafted backyard hideaway, ERC keeps the entire process smooth and fulfilling. Project slots get reserved each season quickly — request your no-cost consultation today and secure your build timeline before availability runs out.
Everything Residential and Commercial
1120 W Wagner Dr, Gilbert, AZ 85233, United States
Working Hours
Mon-Fri: 8:00 AM - 5:00 PM Sat-Sun: Closed
(480) 798-7060
Request a Quote
We Will Call You Back
Frequently Asked Questions – Custom Casita Builder in Phoenix, AZ
What is a casita, and why should I build one?
A casita is a separate or partially attached living space on your property. We design and construct casitas to serve as guest accommodations, home offices, leasing spaces, or personal living quarters for loved ones. Our casitas add value, flexibility, and comfort to your property.
Do you handle the entire casita construction process?
Yes, we oversee everything from beginning to completion. We take care of design, pre-construction, approvals, construction, and finishing touches, ensuring a seamless and worry-free experience for our homeowners.
Is my casita design customizable?
Yes. We partner with you to develop a casita that fits your goals, daily needs, and budget. Whether you want a contemporary studio unit or a complete guest residence, we adjust every element to your requirements.
How long does it take to build a custom casita in Phoenix?
Construction timelines can differ depending on square footage, design, and approval processes. However, we give a detailed timeline from the beginning and keep you informed throughout the entire process to ensure transparency and efficiency.
Do you assist with approvals and regulations in Phoenix, AZ?
Of course, we manage all necessary permits and ensure your casita complies with Phoenix zoning laws and construction standards. Our experience helps avoid delays and keeps your project moving forward smoothly.
Can my casita generate rental income?
In many cases, yes. We can design and build your casita with income potential in focus. We also help you understand local regulations so you can make informed decisions about using your space as an rental investment.
EXCELLENT
Based on 54 reviews
Posted on Google![]()
ElleAnna ChaconTrustindex verifies that the original source of the review is Google.
they did a full kitchen remodel in my home and i was very satisfied with the way everything turned out. they are very knowledgeable and trustworthy. i can tell they wanted me to be 100% satisfied with the remodel and i definitely was! they surpassed my expectations!Posted on Google![]()
Lauren RamosTrustindex verifies that the original source of the review is Google.
ERC is the top of the line. They handle each build with precision, dedication and accuracy while being transparent about the outcome/timeframe. I have had the pleasure of working with both Christian and Randy to help renovate my commercial business and will be contacting them further for any other projects.Posted on Google![]()
Christopher ColemanTrustindex verifies that the original source of the review is Google.
ERC has made the construction process as easy as it can be. The Casita is very beautiful and we're extremely happy with the results!Posted on Google![]()
Steven SpirlongTrustindex verifies that the original source of the review is Google.
We used Everything Residential for a large home addition and RV garage. Our project turned out amazing! They were very easy to work with, and each step moved quickly after getting approved from our city. They were a great team and all of the subs that were used on the project were highly professional and friendly. They had good communication over the course of the project and we would highly recommend them to anyone wanting a professional, 5 star home renovation or addition.Posted on Google![]()
Tonya CrosbyTrustindex verifies that the original source of the review is Google.
They did a large home addition for me and it was incredible! Thank you Randy and ChristianPosted on Google![]()
Mitchell NilanTrustindex verifies that the original source of the review is Google.
The level of knowledge Christian has is amazing, not to mention his team is equally as knowledgeable! Their working environment together and with everyone included is so great! Do yourself a favor and just watch a few of his videos and you will see that these guys are the EXACT group of people you need for your brand new breathtaking new addition. YOU FOUND THE RIGHT PEOPLE FOR THE JOB WHEN YOU GO WITH ERC.build, I promise you that!Posted on Google![]()
Andrew ShlaimonTrustindex verifies that the original source of the review is Google.
Christian was great to work with. Very organized and efficient.Posted on Google![]()
Routhier ResidenceTrustindex verifies that the original source of the review is Google.
These guys came in and took care of everything that needed completed for the sale of our home. I would highly recommend these guys for any of your home needs. Christian and Cody were very professional on time and got things done..Posted on Google![]()
Michelle WennerstrumTrustindex verifies that the original source of the review is Google.
They built a casita for us. The casita turned out better than I could have imagined. Great company to work with. Company communication was top notch, quality of work was 5 stars, entire crew was great, very professional. Highly recommended!Posted on Google![]()
Josh MarquezTrustindex verifies that the original source of the review is Google.
Had to build a back house for laundry and storage and Christian and his team were very clear and easy to work with. Job was done before the deadline and came out perfect. Would recommend for any job of any size!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Services:
Contact Info:
Everything Residential and Commercial
1120 W Wagner Dr, Gilbert, AZ 85233, United States
Hours
Mon-Fri: 8:00 AM - 5:00 PM Sat-Sun: Closed
(480) 798-7060