PermitFlow

PermitFlow is construction's AI workforce.

Developer tools and cloud HR and recruiting Real estate and constructionY Combinator

Latest funding

$54M Series B+ · December 2, 2025

Led by Accel · Source: businesswire.com

Latest round on record: Series B+, May 2026, amount undisclosed.

Total raised: $91M* across 4 sourced rounds

All 5 rounds ↓

Website: permitflow.com.

X: @Permitflow · 384 followers.

LinkedIn: permitflow.

Categories: Developer tools and cloud HR and recruiting Real estate and construction.

Sectors: Real Estate and Construction, Construction, GovTech, Proptech, AI.

Stage: Series B+.

Based in: New York City, United States.

Founded: 2021.

Total raised: $91M* in 4 sourced rounds.

Last round: May 3, 2026 · 193 days ago.

Team: 80 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@Permitflow · created Mar 17, 2014 (12 years old) · 384 followers

Website registeredMar 6, 2014 (12 years old)

About PermitFlow

We help builders across the country simplify and accelerate pre-construction. We are the infrastructure behind this country’s infrastructure.

TIMELINE · MONEY RAISED

PermitFlow | 3350 days from website to first raise on record

@Permitflow·Raised $91M in 3 sourced rounds·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

May 3, 2026
Series B+ · amount undisclosed
Source: fundraisingfox.com
December 2, 2025
Series B+ · $54M
AAccel (lead)
Source: businesswire.com
February 21, 2024
Series A · $31M
KKleiner Perkins (lead)
Source: techcrunch.com
May 8, 2023
Seed · $5.5M
IInitialized Capital (lead), FFoundamental, MMighty Buildings, OOpenDoor Venture Capital, PPlanGrid, PProcore, TThumbtack, ZZillow
Source: businesswire.com
March 17, 2014
X account created
March 6, 2014
Website created
Date unknown
Round · $500K*
YY Combinator
Source: ycombinator.com

Founders and team

FT
Francis Thumpasery Co-Founder and CEO

LinkedIn · source: foundertrace.com
SK
Samuel K. Lam Co-Founder & CTO

@samuelklam · LinkedIn · source: foundertrace.com

Investors

Companies like PermitFlow

CColumn
OOrbiseed
TTemelion$4M Seed · Sep 2025
TTogal$5M Series A · Mar 2023
TTruBuild
VVapi$50M Series B+ · May 2026

Other companies backed by Accel

SSE3 Labs$30M Seed · Nov 2026
SSennder$253.7M Series B+ · Nov 2026
PPowerUp Money$10M Series A · Nov 2026
AArda$230M Seed · Oct 2026
RRapidCanvas$29M Series B+ · Oct 2026
CCosmochute$1.5M Pre Seed · Oct 2026

Accel portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/permitflow (get a free API key).