All architects in Montfort-l'Amaury
10 active architecture establishments in Montfort-l'Amaury (Yvelines, 78), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 10
- Per 10,000 residents
- 36.0
- Companies
- 4
- Founded since 2025
- 1
Montfort-l'Amaury (population 2,779) has 10 architecture practices: 36.0 per 10,000 residents, against 5.2 on average in the department (Yvelines). 4 are companies and 6 are architects working as sole practitioners. The oldest company still active, Cabinet Waze et Associes, was founded in 2003. One was founded in 2025 or later.
Planning rules in Montfort-l'Amaury: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
10 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Ana Manojlovic | Montfort-l'Amaury 3 Route de Saint-Leger, 78490 | 2015 | Sole trader | |
| Cabinet Waze et Associes | Montfort-l'Amaury 9 Rue Bertrand du Guesclin, 78490 | 2003 | SAS | |
| Gregory Vallot | Montfort-l'Amaury 1 T Route de Saint-Leger, 78490 | 2011 | Sole trader | |
| Isabelle Vallot (Messenet) | Montfort-l'Amaury 1 T Route de Saint-Leger, 78490 | 2015 | Sole trader | |
| Jean-Marc Guere | Montfort-l'Amaury 9 Rue Bertrand du Guesclin, 78490 | 1986 | Sole trader | |
| Keyhan Hashemi | Montfort-l'Amaury 4 Rue Saint Blaise, 78490 | 2001 | Sole trader | |
| Leveque Architecture | Montfort-l'Amaury 59 Rue de Paris, 78490 | 2019 | SARL | |
| Neologi | Montfort-l'Amaury 37 Rue Andre Thome, 78490 | 2025 | SARL | |
| Patrice Guerbe | Montfort-l'Amaury 7 Route des Mesnuls, 78490 | 1979 | Sole trader | |
| Rna Development | Montfort-l'Amaury 1 Rue Normande, 78490 | 2021 | SAS |
Architects near Montfort-l'Amaury
All architects – Yvelines (78) →Architects in Montfort-l'Amaury: common questions
How many architects are there in Montfort-l'Amaury?
The Sirene register lists 10 active architecture practices in Montfort-l'Amaury: 4 companies and 6 architects working as sole practitioners. All of them are listed on this page, with their address and, where published, their phone number.
Is an architect compulsory to build in Montfort-l'Amaury?
As everywhere in France, an individual building for themselves must use an architect once the floor area exceeds 150 m², counting the total after works for an extension. A company, including an SCI, always needs one for a building permit. The local rules for Montfort-l'Amaury (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in Montfort-l'Amaury?
Fees are free and set in the contract. For a full mission, from design to site supervision, pricing guides usually quote 8–12% of the cost of the works excluding VAT for a new house and 10–15% for a renovation or extension. A mission limited to the building permit application is usually a fixed fee of about €1,500–4,000 excluding VAT.
Where can I get free advice before choosing an architect?
In most departments, the CAUE (council for architecture, planning and the environment) sees individuals for free, by appointment, to help them prepare their project. The map of CAUEs is on fncaue.com.