PermitFlow, a New York-based AI platform for construction, has raised $54 million in a Series B round. 

Investors 

The round was led by Accel, with participation from Kleiner Perkins, Felicis, Initialized Capital, Altos Ventures, Y Combinator, and existing investors. 

Accel is a global venture capital firm that invests in early-stage and growth-stage tech companies. The firm focuses on technology, consumer products, SaaS, fintech, and healthcare sectors. With offices in Silicon Valley, London, and Bangalore, Accel provides capital, strategic guidance, and a vast network to help companies scale globally. 

PermitFlow Use of Funds 

The funds will be used to expand PermitFlow’s suite of AI agents for permitting, inspections, and license management, accelerate product development, and grow the team to meet rising demand. 

About PermitFlow 

Founded in 2021 by Francis Thumpasery and Samuel Lam, PermitFlow is a company that provides an AI-powered permit application and management platform for builders. From residential homebuilders and home-services contractors to commercial developers and renewable energy firms, PermitFlow helps teams simplify and accelerate the construction process. Headquartered in New York City, its mission is to make pre-construction seamless and empower builders to start projects faster and with confidence. 

Funding Details 

Company: PermitFlow 

Raised: $54.0M 

Round: Series B 

Funding Date: December 2025 

Lead Investor: Accel 

Additional Investors: Kleiner Perkins, Felicis, Initialized Capital, Altos Ventures, Y Combinator, existing investors 

Company Website: https://www.permitflow.com/  

Software Category: Construction / AI / Automation 

Source: https://www.businesswire.com/news/home/20251202551013/en