Our Services

Design, permit, and build with confidence

From initial concept to final walkthrough, Avenida Design Build handles every aspect of your home expansion project. We specialize in navigating Orange County's permit requirements so you can focus on your vision.

Accessory Dwelling Units

ADU Design & Build

Create a fully independent living space on your property. ADUs are perfect for rental income, multi-generational living, or accommodating a growing family. We handle everything from initial feasibility assessment through final inspection.

Ideal for:

Homeowners looking to maximize property value, create rental income, or house family members independently.

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What's Included

  • Site assessment and feasibility study
  • Custom architectural design
  • Full permit management
  • Complete construction
  • Utility connections and landscaping

Transform Unused Space

Garage Conversions

Convert your underutilized garage into beautiful, permitted living space. Garage conversions are often the most cost-effective way to add square footage to your home while creating valuable ADU or living space.

Ideal for:

Homeowners with garages used primarily for storage who want to create functional living space.

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What's Included

  • Structural assessment
  • Floor plan optimization
  • Electrical and plumbing upgrades
  • Insulation and climate control
  • Parking replacement solutions

Expand Your Footprint

Home Additions

Thoughtfully designed additions that blend seamlessly with your existing home. Whether you need an extra bedroom, expanded kitchen, or dedicated home office, we create additions that feel like they were always part of the original design.

Ideal for:

Growing families or homeowners who love their location but need more space.

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What's Included

  • Architectural design integration
  • Foundation and structural work
  • Matching exterior finishes
  • Interior finish coordination
  • Full permit and inspection management

Junior Accessory Dwelling Units

JADUs

Create flexible living arrangements within your existing home footprint. JADUs convert existing space (like a bedroom or attached garage) into a semi-independent unit with its own entrance and efficiency kitchen.

Ideal for:

Homeowners wanting a more affordable ADU option or those with space constraints for detached construction.

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What's Included

  • Space planning and layout design
  • Separate entrance creation
  • Efficiency kitchen installation
  • Bathroom addition or upgrade
  • Permit streamlining

Major Renovations

Remodels

Complete home renovations that modernize your space while navigating complex permit requirements. From kitchen and bath remodels to whole-home transformations, we manage every detail.

Ideal for:

Homeowners ready to significantly update their living space with professional design and construction.

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What's Included

  • Design consultation and planning
  • Permit research and application
  • Structural modifications
  • MEP system upgrades
  • Finish selection and installation

Detached Structures

Backyard Studios

Custom detached structures perfect for home offices, art studios, fitness rooms, or guest accommodations. These versatile buildings add functional space without modifying your main home.

Ideal for:

Remote workers, artists, fitness enthusiasts, or anyone needing dedicated space separate from the main house.

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What's Included

  • Custom design to match your home
  • Foundation and utility planning
  • Climate control systems
  • Electrical and connectivity
  • Landscaping integration

Not sure which service fits your project?

Start with Home Permit Preview to explore your options and get personalized guidance based on your property and goals.