top of page

Custom ADU Construction and Room Additions

Expand your living space with a custom ADU or room addition designed to meet your family's needs and complement your existing home. Radvand Construction provides comprehensive design-build services, including planning, permitting, construction, and project management. Our experienced team helps navigate city permit requirements while delivering quality craftsmanship and functional spaces built for long-term value throughout the Bay Area.

adu
adu

Expand Your Home with Expert ADU and Room Addition Services

Radvand Construction provides high-quality ADU and room construction services designed to maximize your property's functionality, value, and long-term potential. Whether you need an accessory dwelling unit for rental income, multigenerational living, guests, or additional personal space, our team creates custom solutions tailored to your property, goals, and lifestyle.

From initial planning and design through permitting and construction, we manage every phase of your ADU project with clear communication, careful coordination, and exceptional craftsmanship.

ADUs & Room Additions Designed with You in Mind

Accessory Dwelling Units (ADUs) have become one of the most valuable additions for Bay Area homeowners. Our team designs and builds custom ADUs that integrate seamlessly with your existing home while meeting all local zoning and building requirements. Our ADU construction and room addition services include:

01

Detached ADUs

04

Junior ADUs (JASUs)

02

Attached ADUs

05

Multi-Purpose Backyard Units

03

Garage Conversions

06

Rental Ready ADUs

Comprehensive Design-Build & Construction Services

Hammer icons created by Magnific - Flaticon

ADU and home addition regulations can be complex, but Radvand Construction helps simplify the process. Our team provides comprehensive design coordination, permitting assistance, and city approval management throughout the Bay Area, helping your project move forward efficiently while meeting applicable building codes and local requirements.

Construction hat icons created by ALTOP7  - Flaticon

Radvand Construction works closely with architects, engineers, and local planning departments to help ensure your ADU or room addition meets zoning, setback, utility, and California ADU requirements. Our coordinated approach helps streamline the permitting process, minimize delays, and keep your project moving efficiently from planning through construction.

adu

Craftsmanship That Defines Quality

Radvand Construction combines premium materials, modern building techniques, and skilled craftsmanship to create ADUs and home additions that are beautiful, durable, energy-efficient, and built for long-term performance. Every detail is thoughtfully executed to enhance comfort while complementing the architecture of your existing home.

Whether you are creating additional space for family, generating rental income, or increasing your property's value, our custom ADUs and additions are designed to meet your goals and deliver lasting results.

Why Homeowners Choose Radvand Construction

High-End General Remodeling Specialists

Licensed & Insured

Bay Area Residential Construction Experts

Personalized Service & Transparent Communication

Exceptional Craftsmanship & Attention to Detail

We don't just build rooms, we create high-quality living spaces that add lasting value.

Serving Bay Area Communities

Schedule Your Consultation Today and Reimagine Your Home with Confidence

adu

Contact Us

Radvand Construction logo

Contact Us

3200 Patrick Henry Dr, Suite #200-2,

Santa Clara, CA 95054

  • Google
  • Google maps icons created by Freepik - Flaticon
  • Facebook
  • Instagram
  • Yelp!

© 2026 Radvand Construction. All rights reserved. Photo credits: Radvand Construction & Depositphotos. Icon credits: Flaticon. Created by First Day Social.

Accessibility Statement. Privacy Policy. Cookies Policy.

bottom of page