Your adu
designed
and built
by building blocks

ADUs ARE A GREAT REAL ESTATE INVESTMENT

  • Build an ADU at your home by converting unused space
  • Build an ADU in your backyard
  • You already own the land
  • Build two ADUs at a duplex or triplex
  • Your ADU can be worth twice what it cost to build
  • ADUs can be used in so many great ways
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RENTAL UNIT FOR INCOME

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MOTHER-IN-LAW UNIT

HOME OFFICE

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GUEST ROOM OR STUDIO

Projects

Picture of a slate gray garage that has been converted into an ADU

Garage Conversion

400 SF
1 Bedroom

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New Construction

900 SF
1 Bedroom | 2 Bathrooms

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Spanish style garage conversion and addition ADU

Addition + Conversion

450 SF
1 Bedroom | 1 Bathroom

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What We Do

Building Blocks Provides:

  • Architecture & Design
  • Engineering
  • Creative Utility Solutions
  • City Permitting
  • High-Quality Construction
  • Responsiveness & Reliability
  • Local Market Expertise
  • Strong Communication
  • Unmatched Customer Service

Media

ADU Kitchen with black cabinets

LOS ANGELES TIMES

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Brick garden path leading to ADU

SoCal ADU Tour

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Meet Our Team

Portrait of John Perfitt

John Perfitt

John Perfitt is a real estate professional with 30-plus years of working on all aspects of housing in Southern California including permitting, designing, and building myriad housing typologies.  John’s passion is ADUs and his experience and success with building ADUs is extensive.  

Bill Isbell

Bill Isbell is a construction industry professional who thrives on the process of residential construction and the reward of delivering high-quality and attractive living spaces.  Bill enjoys working with our customers and stakeholders to design solutions when challenges arise while still delivering projects on-time and on-budget.

Our Happy Clients

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Building Blocks showed strong knowledge of local and state ADU policy that was invaluable in acting as an owner’s representative. They managed design, permitting, and construction adeptly and the ADU turned out great.
Daniel, Homeowner/Client
Building Blocks was great to work with - they were honest, straightforward, and flexible, and the project was completed on time and on budget. I am so thrilled with my new ADU! ​
Beth, Homeowner/Client
Building Blocks was great. They took my ideas about an ADU and worked with me through the design, permitting, and construction process. I'm super happy with the end results. ​ ​
Alan, Homeowner/Client

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aN ADU Proposal

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