About Us

Buildstock is a NYC-based construction material procurement platform; that connects buyers and suppliers of base building materials. We provide real-time access to buying materials from local suppliers that save time & money for buyers. We also provide Materials Financing to buyers who qualify and factoring for Purchasing Orders to Suppliers, for early payments; significantly improving cashflow & the economics of the business on both sides. For Suppliers, we drive the growth of Purchase Orders and significantly improve the speed of payment from the traditional net terms; improving their business cashflows & business economics.


We’re focused solely on base building materials: Insulation, plywood, metal framing, lumber, and drywall.
We’re focused on high-rise development projects (residential or commercial), and industrial construction projects both Public and Private;  in the tri-state area.

United States Data

United States Construction
Valued at
$1.8 Trillion in 2022
6.8% Increase from 2021

Commercial Construction Spending is at $128 Billion as of July 2023
11% Increase From Last Year

Multifamily Residential Construction
$127 Billion as of July 2023
12% Increase From Last Year

NY/NJ Tri-State Data

$86 Billion Spent on Construction
2022 in NY & NJ Tri State Area
Up $38 Billion From 2021

NY & NJ Tri-state Area Expected Spend From $270 Billion
From 2022 - 2024

NYC has 5,550+ Permits Issued for
Active Major Construction
From 2023-2024

Buildstock is a M/WBE Approved Company

M/WBE stands for Minority and Women-owned Business Enterprises

NY requires 30%+ of all City Government agency construction projects to be applied to M/WBE

NYC aims for a cumulative
$60 Billion by year 2030

NY/NJ infrastructure’s Capital spending is estimated at more than $200 billion in the next 5 years

NYC to award $25 Billion to MWBE companies between fiscal 2023-26

The Buildstock Team

Kathryn Thiele: Founder

  • 10+ years in Construction & Architect

  • Manhattan Building Company building high-rise buildings

  • $1B+ Development Projects: Residential, Commercial, Retail, Amenity, Parking, etc.

  • 7 Buildings of 8MM SQFT

  • AIA-NY Co-Chair & professor at Cornell

John Roa: Founding Engineer

  • 15+ years In software industry

  • 9+ years leading & scaling technology teams

  • Scaled Fintech Company from 6 to 60+ Engineers

  • Startup scalability & tech leadership advisor

  • Chief Organizer at Pycon Colombia Top 5 Python Conference in LATAM

Chris Chin Fong: Lead Product

  • 12+ years in product management in startup

  • Scaled steel company $600M to $1B in 1 year

  • Co-founded award-winning AI in 2017

  • Re-architected and rebranded DuPont’s (Tyvek, Styrofoam, Nomex, and Great Stuff)

  • Lead product at an AI company predicting opportunities in SFR Real Estate

Get in Touch

Buildstock is venture backed, B2B construction materials Marketplace & vertical Software startup. Focused on connecting buyers to suppliers for bulk purchasing of base building materials. Leveraging digitization to create reliability & efficiency in a Trillion dollar industry. By combining Marketplace + FinTech & Vertical Software, the platform creates material cost savings, data accuracy, time efficiencies, improved cash flows; for high rise public & private construction projects.