Company
WOOZZA connects the city’s rain data to real-world response
Summary
WOOZZA designs and manufactures its own smart rain gauges that observe rain across the city, and builds a platform that connects observation data through flood risk analysis to monitoring and alerts. We continue urban flood-response pilots together with local governments and public agencies, energy and infrastructure companies, and research institutes.
Vision and mission
Vision
So every city can respond to local downpours first.
Mission
We observe rainfall densely in the field and connect flood risk to action by people and facilities.
Slogan
Read the Rain. Protect What Matters.
From the cheugugi to the smart rain gauge
In 1441, the cheugugi was invented to measure rainfall against a consistent standard. WOOZZA aims to carry that intent into today’s cities. Placing consistently calibrated observation points densely across a city lets us see, ahead of time, how risk differs by place within the same storm.
We build urban safety infrastructure that closes observation blind spots and brings response time forward. Our long-term goal is to take what we validate in one city to many more cities, until every city has an observation network that can read its own rain.
Our history
| Period | Description |
|---|---|
| 2019 | WOOZZA founded |
| 2020 | Commendation on Invention Day (representative) |
| 2024 | Started an urban flood-response pilot (PoC) in Gwanak-gu, Seoul |
| 2024 | KICT (Korea Institute of Civil Engineering and Building Technology) family-company designation |
| 2025 | Started a flood-response pilot (PoC) in Brooklyn, New York, USA |
| 2025–2026 | US FCC and EU CE-related testing, US SAM registration |
Locations
| Site | Address |
|---|---|
| Head office | Rm 212A, Engineering Hall, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, Korea |
| R&D lab | Rm 107, Smart Construction Support Center 2, 283 Goyang-daero, Ilsanseo-gu, Goyang, Korea |
| Factory | Rm 522, Engineering Bldg 10, Pukyong National Univ. Yongdang Campus, 365 Sinseon-ro, Nam-gu, Busan, Korea |
| Busan branch | Rm 303, Centum Green Tower, 78 Centumjungang-ro, Haeundae-gu, Busan, Korea |
Where we make it

Rain gauge production 
Equipment enclosure production space 
Preparing for shipment
Partners
Organizations we work with
We work with public and disaster-safety agencies, energy and infrastructure companies, research institutes and international organizations on technology development and on rainfall-network and flood-response pilots.
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Public & disaster safety
Energy & infrastructure
Energy & infrastructure
Energy & infrastructure
Energy & infrastructure
Energy & infrastructure
Energy & infrastructure
Research
International
International
International
International
International
International
International
Read the Rain. Protect What Matters.