Company intelligence
As of July 2025, Trunk Tools was last valued at $325 million (July 2025 Series B) and has raised at least $60M in equity across 2 sourced funding rounds.
Trunk Tools makes AI software for construction teams that ingests project documents such as drawings, specs, schedules and submittals and turns them into answers and flagged risks.[1] Trunk Tools is based in New York.[2] Buchner told NBC News that a typical half-billion-dollar New York City high-rise generates about 3.5 million pages of documentation.[3]
It sells mostly by subscription, with some newer AI agents priced per business outcome.[4]
Is something wrong on this page?
| Date | Round | Amount | Valuation | Lead investors | Source |
|---|---|---|---|---|---|
| Jul 2025 | Series B | $40 million | $325 millionpost-money | Insight Partnersunverified | Crunchbase NewsPulse story |
| Aug 20, 2024 | Series A | $20M | — | Redpoint Venturesunverified | TechCrunch |
Equity only. “Equity raised” above sums the rounds with a dated, linked source; rumored rounds, tender offers and secondary sales are listed but not counted, and debt financing is listed separately.
In August 2024 it closed a $20 million Series A led by Redpoint, bringing total funding to $30 million.[2] In July 2025 it raised a $40 million Series B led by Insight Partners, with Redpoint Ventures, Innovation Endeavors, Stepstone, Liberty Mutual Strategic Ventures and Prudence participating, bringing total funding to $70 million.[1] Customers include Suffolk Construction, Gilbane and DPR Construction, and the company had about 60 employees in the US and Canada at the time of the Series B.[4]
Trunk Tools founder Sarah Buchner, a former carpenter and general contractor, has grown the construction-AI startup's revenue fourfold in the past year on top of a $40 million Series B valuing it at $325 million.
Trunk Tools, an AI platform for construction document review, cut submittal and drawing review time from as long as 60 days to roughly 10 by building purpose-built models instead of relying on general-purpose LLMs, VentureBeat reported July 3.
In July 2025 it raised a $40 million Series B led by Insight Partners, with Redpoint Ventures, Innovation Endeavors, Stepstone, Liberty Mutual Strategic Ventures and Prudence participating, bringing total funding to $70 million.[1]
In August 2024 it closed a $20 million Series A led by Redpoint, bringing total funding to $30 million.[2]
Trunk Tools is based in New York.[2]
Trunk Tools makes AI software for construction teams that ingests project documents such as drawings, specs, schedules and submittals and turns them into answers and flagged risks.[1]
Trunk Tools was last valued at $325 million in its July 2025 Series B, according to Crunchbase News (July 2025).
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.
