For Media Inquiries
America spends $1T each year on new construction materials, while prematurely throwing away billions of dollars' worth of usable pre-owned materials. Unbuilt (unbuilt.co) was founded in Los Angeles in 2020 by Sara Noyes and Matt Kennedy to address this problem. Thousands of builders, designers, property owners, and suppliers now use Unbuilt to buy and sell pre-owned goods — cutting waste, recouping costs, and building more beautiful, affordable spaces.
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Media contact
Matt Kennedy, Co-founder
Send a media inquiryTopics for discussion
Interior Design / Home Improvement
How renovation resale can ‘budget-max’ your project, with high-end luxury materials at deep discounts.
Start-Ups
Following in the footsteps of fashion, furniture and electronics, the re-commerce revolution comes for construction. How Unbuilt is building a marketplace for secondhand building materials using AI.
Environment
Buildings and construction produce 37% of global CO₂ and take in about half of all natural resources extracted worldwide, while construction debris runs to 10 lbs per American every day — twice our household trash. Reuse is the world’s biggest opportunity to cut costs and waste.
Affordability
Building material costs rose 41% in the five years to late 2023. How buying secondhand, at an average 54% off new, brings down the cost of building and renovating a home.
Resilience
Rebuilding after the LA fires with materials that already exist.
Circular Construction
How builders can recoup costs by bringing more goods to market. Reuse also cuts embodied carbon, the emissions locked into materials before anyone moves in, which count toward a builder’s or owner’s Scope 3 footprint. LEED v5 now rewards reused materials.
Coverage
- RemodelistaShopper's Diary: A Resale Marketplace for Unused Residential Construction Goods ↗
- Shoutout LAMeet Matt Kennedy, Co-founder at Unbuilt ↗
- Value Added ResourceTechStars & eBay Ventures Reveal Future Of Ecommerce Accelerator's First Cohort ↗
- VoyageLAHidden Gems: Meet Sara Noyes & Matt Kennedy of Unbuilt ↗



