Lumber
AI Powered Construction Payroll and Workforce Management Software
San Jose, United States · Founded 2023 · $21.0M raised
- Headquarters
- San Jose, California
- Employees
- 51–200
- Founded
- 2023
- Business Model
- B2B
- Website
- lumberfi.com
- Total Funding
- $21.0M
- Last Round
- $15.5M Series AJun 2025
- Rounds
- 2
About
AI-powered construction workforce management platform streamlining payroll, time tracking, safety, compliance, and field productivity.
Summary
Lumber is an Artificial Intelligence company based in San Jose, United States, founded in 2023. It has raised $21.0M in total across 2 rounds, most recently a $15.5M Series A round in Jun 2025. Investors include Foundation Capital, Tishman Speyer and Carbide Ventures.
Tech & App Stack
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Funding History
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Jun 2025
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Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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