She graduated from the Department of Architecture of the Estonian Academy of Arts in 1997.
Since 2003, she has worked in the architectural bureau KAVAKAVA OÜ which she co-founded. In 2014, she became the editor of Maja, the Estonian Architectural Review. Notable works by Koov are the Concert Hall of Pärnu, the new sports arena of Pärnu and the new building of the Narva College of the University of Tartu.
Koov is a member of the Eesti Arhitektide Liit (the Union of Estonian Architects).