Tax Prep Directory
2026.05.11 · 3 min read · Guides

Taxhub on East 22nd Street Apt 25R: a Flatiron tech-focused tax service

Taxhub operates from a 25th-floor East 22nd Street apartment unit, a Flatiron tech-focused tax service combining tech-startup tax expertise with residential-office operations.

Taxhub files 5 East 22nd Street APT 25R, New York, NY 10010. The "APT" designation in the address signals a residential-unit-as-office arrangement, common for tech-startup tax services with smaller teams.

Tech-startup tax specialty

Startup tax work involves complex compensation (RSU, ISO, NSO stock options, restricted stock), 83(b) elections, qualified small business stock (QSBS), and the multi-state allocation issues that come with distributed teams.

Residential-office model

Residential-unit offices reduce overhead for tech-focused practices that serve clients primarily remotely. Client meetings happen via video; documents flow electronically.

Calling for service

The number is +1 212-XXX-XXXX.

Getting to 5 East 22nd Street APT 25R

The address is a 4-minute walk from the 23rd Street N/R/W.