Beautifully Built ADUs To Expand Your Living Space!
The Perfect Balance of Quality, Cost, and Long-Term Value
Building an ADU is a significant investment — whether you’re creating a rental unit, guest house, or space for extended family. That’s why it’s crucial to partner with an experienced and dependable team that can help you navigate every step of the process. We’re committed to helping you achieve the ideal balance between quality construction, smart design, and budget control.
If you’d like to learn more about our ADU construction services in Los Angeles County, Orange County, Riverside County, San Bernardino County, and Ventura County, CA, please call us at (424) 452-2222. We’d be happy to discuss your vision and how we can bring it to life!
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Book Free
Home Estimate
Fast-Track ADU Construction
Move-In Ready ADU in 35-45 Days
Our fast-track ADU program is designed for homeowners who want to maximize their property’s potential — quickly and efficiently. Ideal for garage conversions or detached units with standard layouts, this streamlined process allows us to deliver fully finished ADUs in as little as 35–45 days.*
*Timeline depends on permitting and inspection schedules in your area
- Garage-to-ADU Conversion
- Detached ADUs with Standard Plans
- Studio or One-Bedroom Layouts
- Full Kitchen & Bathroom Installation
- Utility Hookups & Code Compliance
Custom ADU Solutions
Tailored Layouts & Fully Personalized Designs
Our custom ADU construction services are perfect for homeowners looking to create a truly unique living space. These projects go beyond standard layouts and include changes to the floor plan, custom architectural elements, upgraded appliances, and adjustments to plumbing, electrical, and HVAC systems — all tailored to your specific vision and needs.
Whether you’re building a luxury guest suite, a private home office, or a multi-functional rental unit — we’ll help you design an ADU that maximizes comfort, functionality, and value.
Create a Beautiful Space That Feels Like Home
An ADU isn’t just an addition — it’s a chance to build something inspiring, practical, and deeply personal. Whether it’s a cozy retreat for loved ones, a private workspace, or a stylish rental unit, your ADU should reflect your lifestyle and values.
What inspires your ideal space?
Traditional
- Elegant and timeless charm with a warm, familiar atmosphere.
- Modern American touches
- Refined details with lasting appeal
- A mix of tradition and subtle contemporary notes
- Perfect for guest homes or family suites that blend classic comfort with functionality.
Contemporary
- Clean, balanced, and stylish.
- Symmetry and clean lines
- Polished surfaces with wood and stone
- Metal, glass, and organic textures in harmony
- This design approach offers versatility — ideal for flexible ADUs used as rentals, studios, or multi-purpose spaces
Modern
- Sleek, minimalist, and bold.
- Streamlined forms and horizontal planes
- Open layouts with functional elegance
- Statement simplicity with a strong visual impact
- Designed for those who love simplicity with an edge — great for urban-inspired detached ADUs or creative studios
See the 7 Most Popular ADU's Design Styles of 2025
Download our free brochure to discover our style
The process of building one ADU
Many construction stages remain hidden, but they are like building a full-fledged house. So, take a look at the main stages of one of our ADU projects from 2025.
PROJECT RECAP
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ADU CONSTRUCTION COST $120K-250K
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OPTIONS Custom kitchen & bath, vaulted ceilings, smart home features
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SIZE 400–1,200 sq.ft.
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LAYOUT 1-bedroom ADU with open-plan living area and full kitchen
“We’ve built a private ADU perfectly tailored to Svetlana’s lifestyle — complete with natural light, extra storage, and modern finishes. The result? A fully independent living space that blends comfort, style, and functionality.”
Matt Poulter
foreman of RTS LLC
How Much Does It Cost to Build an ADU in California?
ADU project costs vary based on many factors. Fill out the questionnaire below, and we’ll provide an accurate price quote and timeline for your project.
Find Out If We're the Right Fit
COST?
No cost
- WHAT WE’LL ASK
- Tell us your ideas
- Aprx. ADU size
- Aprx. home age
WHAT THIS IS
15-30 min call
- WHAT YOU’LL GET
- Project Goals
- Project Time-Frame
- A start to your new dream remodel
Finance Your Project
Start your dream project today with easy, affordable financing through our partner bank, GreenSky.
- 12 months same-as-cash – No interest, no payments for 12 months
- 6.99% interest – Fixed for 120 months
A New ADU the Ultimate Home Value Booster
According to the National Association of Realtors, adding an ADU is one of the most impactful ways to increase your property’s market value and utility. Whether used as a rental, guest house, or multi-generational living space — it’s a smart long-term investment.
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Add Value to Your Property Building a well-designed ADU can increase your home’s value by 20–30%, depending on location and use potential (source: National Association of Realtors & local market data).
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Low, affordable payments Reduce your out of pocket cost with financing. Our bank is ready to get you approved quickly.
A better way to get a stunning ADU
Discover
2-3 hours meeting
Site visit, goals, budget discussion
Discover
01
Design
Custom floor plan &
3D visualization*
materials, etc.
Design
02
Approval
Permitting, engineering,
city coordination.
Approval
03
Build
Full-scale construction &
final inspection
Build
04
RTS mission & values
Your ADU Should Reflect Your Lifestyle and Vision
At Right Technique Solutions, we believe that building an ADU isn’t just a construction project — it’s a meaningful expansion of your home and the way you live. Whether you’re creating space for family, generating rental income, or planning for the future, we’re here to bring your vision to life.
At Right Technique Solutions, we combine thoughtful planning, creativity, expert craftsmanship, and decades of experience to deliver ADUs that are both beautiful and functional. Our clients are families, and we take pride in building spaces that serve their needs for years to come
More Than only ADU..
In addition to being your local ADU construction experts, we offer a full range of home renovation and structural improvement services. As a licensed full-service contractor, we can assist with everything from foundation upgrades to exterior finishes — ensuring your entire property works together seamlessly.
Our services include (but are not limited to):
- ADU & Garages
- Kitchens
- Bathrooms
- Decks
FAQs
Here you’ll find a compilation of the most frequently asked questions. If there’s something you want to know which isn’t here, please send an email to info@rts4u.com
How Much Does an ADU Cost?
How Long Does It Take to Build an ADU?
Is Building an ADU Worth It If I’m on a Budget?
Do You Offer Design and Planning Assistance?
Do You Handle Permits and City Approvals?
What Kind of Warranty Do You Provide?
Our Work and Customer Satisfaction Speak for Themselves
- GOOGLE RATING | 4.5 STARS
RTS receives a 5-star rating for our home remodel project! The entire team is extremely knowledgeable, professional, and easy to work with. They came highly recommended and have completed several kitchen and bath remodels in our neighborhood. Our project involved extensive exterior repairs, and we couldn’t be happier with the results. I highly recommend Right Technique Solutions for your next remodel!
We couldn’t be more thrilled with the service from RTS LLC. Not only did they complete our projects as promised, but their communication and professionalism were outstanding from start to finish. They went above and beyond to keep us informed and address all of our requests. I’ll definitely use them again for any future needs.
We did a complete remodel and addition with guys from RTS, and from design to completion, it was an amazing experience. The quality of work was top-notch, and the team was professional, responsive, and on time, with excellent communication throughout. We loved the whole process and are thrilled with our new home. We would definitely do it all again and have recommended them to others for their dream homes!
New ADU projectup to $3000 OFF!
Submit Your request for a discount Below. You can also use this coupon to pay for a part of the kitchen
Our Promise
Right Technique Solutions is here to help your family plan, design, and install the bathroom of your dreams. We specialize in staying on budget and completing projects on time, ensuring your vision becomes reality.
Ivan Pidzhakov
Construction manager RTS LLC
- Call to learn more
- Book a home measure