Record checked on 25 October 2026.
Hamonic + Masson & Associés
Architecture firm in Paris 2nd · founded in 1997
Overview
Founded in Paris in 1997 by Gaëlle Hamonic and Jean-Christophe Masson, the practice is best known for reinventing the urban residential tower, including the first 50-metre housing block built in Paris in decades. Its work ranges from social housing and student residences to mixed-use towers and public buildings, and it runs a second studio in Marseille.
- Founded
- 1997
- Team
- ≈ 28
- Projects
- 7
- Awards
- 2
Founded in 1997; current company registered in 2014.
Other offices: Marseille
Partners and founders
Gaëlle HamonicCo-founder / Director
Jean-Christophe MassonCo-founder / Director
Marie-Agnès de BailliencourtAssociate architect (since 2014)
Fields of work
Housing · High-rise residential towers · Mixed-use buildings · Public buildings · Offices
Built work
Emblem
Lille · Mixed-use building (housing and offices)Alta Tower
Le Havre · Residential tower with nurseryHome, ZAC Masséna
Paris · Residential tower (social housing)Golden Cube
Boulogne-Billancourt · Student residenceVilliot-Râpée (62 social housing units)
Paris · Social housingDocks Dombasle
Le Havre · Housing and officesPrizes and awards
- 2012Prix AMO, special Saint-Gobain prize (Villiot-Râpée)
- 2002Nouveaux Albums des Jeunes Architectes (NAJA)
Frequently asked questions
Where is Hamonic + Masson & Associés based?
The firm's address is 93 rue Montmartre, 75002 Paris.
When was Hamonic + Masson & Associés founded?
It was founded in 1997.
How can I contact Hamonic + Masson & Associés?
You can reach the firm by phone on +33 1 53 62 99 43, by email at contact@hamonic-masson.com and through its website hamonic-masson.com.
What are the main projects of Hamonic + Masson & Associés?
Its built work includes Métamorphose (Angers, 2025), Emblem (Lille, 2024) and Alta Tower (Le Havre, 2023).