# PermitFlow

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/permitflow

- Industry: Software
- Headquarters: New York, US
- Website: www.permitflow.com
- Total disclosed funding: $91M
- Latest round: Series B (Dec 2, 2025)
- Investors on record: 14

## About

Based in New York, US, and founded in 2021, PermitFlow Inc. operates as an information technology firm that provides software solutions for developers, contractors, and architects. The company was founded by Samuel Lam and CEO Francis Thumpasery. In December 2025, PermitFlow Inc. raised USD 54 million in series B funding led by investor Accel Kleiner Perkins, Felicis Ventures, Initialized Capital, Altos Ventures, and Y Combinator also participated in the round.

PermitFlow provides a construction permit application and management software, which is a SaaS platform that helps developers and contractors manage the permit application process from permit preparation to permit submission. The platform offers multiple features and solutions, such as managing and organizing permit documents, submitting, tracking, and pulling permits, document management, permit research, permit data, and many more. The firm assists with a variety of permit types, building permits including construction permits, mechanical permits, electrical permits, and plumbing permits. 

The company will use the December 2025 funding to create an AI-powered construction workforce that enables builders to complete projects more quickly and with more reliable results.

## Funding rounds

- Series B, Dec 2, 2025, $54M — Accel, Kleiner Perkins, Altos Ventures, Felicis Ventures, Y Combinator, Initialized Capital
- Series A, Feb 21, 2024, $31M — Kleiner Perkins, Altos Ventures, Felicis Ventures, Y Combinator, Initialized Capital, Contech VC
- Seed, Jan 31, 2023, $5.5M — Zillow, Inc., Thumbtack, Inc., PlanGrid, Inc., Initialized Capital, Procore Technologies, Inc., OpenDoor Labs, Inc., Mighty Buildings, Inc., Bluebeam, Inc.

## Investors

- Zillow, Inc. — Seed
- Thumbtack, Inc. — Seed
- PlanGrid, Inc. — Seed
- Initialized Capital (https://capitalatlas.ai/funds/initialized-capital) — Seed, Series A, Series B
- Procore Technologies, Inc. — Seed
- OpenDoor Labs, Inc. — Seed
- Mighty Buildings, Inc. — Seed
- Bluebeam, Inc. — Seed
- Kleiner Perkins (https://capitalatlas.ai/funds/kleiner-perkins) — Series A, Series B
- Altos Ventures (https://capitalatlas.ai/funds/altos-ventures) — Series A, Series B
- Felicis Ventures (https://capitalatlas.ai/funds/felicis-ventures) — Series A, Series B
- Y Combinator (https://capitalatlas.ai/funds/y-combinator) — Series A, Series B
- Contech VC — Series A
- Accel (https://capitalatlas.ai/funds/accel) — Series B