Transforming Spaces
Into High Value Assets
Specializing in ADUs, duplexes, and ground-up multifamily projects.
Construction portfolio
Our projects
Explore each project using the arrows, project tabs, or a swipe on mobile. Renderings illustrate design intent and are subject to final detailing.
Concept renderingTujunga
4532 N Tujunga Avenue · Los Angeles, CA
A five-unit infill development with a front duplex, two rear units, and one accessory dwelling unit.
Unit mix / program
5 units · front duplex + two rear units + one ADU
Exterior design intent
Black vinyl windows and smooth stucco throughout. The color treatment shown is a design concept.
Illustrative concepts based on the current plan set and finish direction; not a substitute for approved drawings. Surrounding context, landscaping, and final colors require field/design confirmation.
Construction-Driven Development
CDG Construction specializes in residential construction including ADUs, duplexes, and ground-up single-family homes. We manage projects from planning and permitting through construction delivery, with a focus on high-quality, efficient builds.
Our construction-focused approach—from permits and plans through build-out—allows us to maintain tight control over cost, timelines, and execution.
We work in partnership with investors and property owners to deliver high-quality residential construction projects with emphasis on precision, value, and timely completion.





Residential Construction Services
From permits and plans through construction delivery, we manage every phase of your residential project.
ADU Construction
Expert ADU construction to maximize your property value and create additional living space.
Duplex & Multifamily
Ground-up construction of duplexes and small multifamily residential buildings with precision execution.
Single-Family Homes
Custom ground-up single-family residential construction from planning through delivery.
Permitting & Plans
Full permitting and plan services to navigate Los Angeles planning and building requirements efficiently.
Designing Your Perfect ADU
From intimate studios to spacious three-bedroom units, we craft ADUs tailored to maximize functionality and value. Explore our thoughtfully designed floor plans and find the layout that fits your needs.

Studio
Layout Features
- Open-concept living space
- Integrated kitchen & dining
- Full bathroom with shower
- Maximized natural light
Construction Excellence in Every Detail
From permits to completion, we deliver residential construction projects with precision, quality, and reliability.
Licensed & Insured
California General Contractor (B) CSLB #1148336 with full liability coverage
On-Time Delivery
Efficient project management ensures completion within agreed timelines
Transparent Pricing
Clear cost breakdowns with no hidden fees or surprise charges
Full Permitting Support
We handle all permits, plans, and city approvals from start to finish
Investor Partnerships
Experienced in working with property owners and real estate investors
Quality Craftsmanship
High-quality construction with attention to detail on every project
Meet Our Founder

Ethan Cohen
Founder & Principal
A USC Marshall School of Business alumnus with a B.S. in Business Administration (emphasis in Real Estate Finance), Ethan brings over 10 years of real estate finance experience from esteemed institutions to CDG Construction.
His transition from finance to construction was driven by a vision to control every aspect of the development process—from underwriting and capital structuring to permitting, design, and execution. This comprehensive approach enables CDG to deliver residential projects with unparalleled precision and value creation.
Today, Ethan leads CDG's focus on ground-up residential construction in Los Angeles, specializing in ADUs, duplexes, and multifamily developments where construction expertise meets financial discipline.
Let's Build Your Vision
Whether you're an investor, property owner, or looking to build an ADU, we're here to deliver your residential construction project with quality and precision.