Turn your unused backyard or garage into a fully functional living space with a custom Accessory Dwelling Unit (ADU) built by AB. Castle Remodeling.
Whether you’re looking to create a private guest house, a rental unit for extra income, or a comfortable in-law suite, our expert team brings your vision to life with precision, style, and quality craftsmanship.
We proudly design and build ADUs across Arcadia, Pasadena, San Marino, South Pasadena, Sierra Madre, and the greater San Gabriel Valley — helping homeowners make the most of their property.
We make the process simple, transparent, and hassle-free from start to finish.
Building an ADU requires experience, precision, and a deep understanding of local zoning and permitting laws — and that’s exactly what we offer at AB. Castle Remodeling.
Full Design & Build Services – From concept to completion, we handle every phase: design, permitting, construction, and finishing.
Local Code Expertise – We’re familiar with ADU laws in Arcadia, Pasadena, and the San Gabriel Valley, ensuring smooth approval and compliance.
Custom Design Options – We design ADUs that match your main home’s architecture and fit perfectly within your property’s space.
Maximize ROI – Build a stylish unit that boosts property value and creates potential rental income.
Quality Construction – Built with durable materials and expert craftsmanship that stand the test of time.
Transparent Communication – We keep you informed at every step, with clear timelines and honest pricing.
Adding an ADU to your property offers incredible short-term and long-term benefits:
Generate Rental Income – Earn passive income by renting out your ADU.
Create Multi-Generational Living – Provide independent space for family members or guests.
Increase Property Value – A well-designed ADU significantly boosts your home’s resale value.
Sustainable Living – ADUs promote eco-friendly housing with efficient use of space and resources.
Flexible Use – Use your ADU as a home office, gym, guest suite, or studio.
Future-Proof Investment – California’s ADU-friendly laws make now the perfect time to build.
