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La Forteresse
Rural municipality · 38590 · Auvergne-Rhône-Alpes
👥 Population
338
2023 · INSEE
🏠 Median price /m²
6 174 €
📈 320% since 2015
💰 Gross yield
2.3 %
rent / purchase price
⚡ Avg. energy rating
—
✅ 0 % energy sieves (F-G) (F-G)
🎯 Investment score Low
La Forteresse — Score 29/100.
Why this score? This score is penalized mainly by improvable safety statistics (14/100) and a weak rental yield (15/100).
29
💰 Yield15
🌳 Quality of life40
📊 Dynamism50
💸 Affordability15
🛡️ Safety14
⚡ Energy rating50
🏠 Property prices
DVF · 4 Transactions · La Forteresse
🏢 Apt. /m²
6 174 €
🏡 House /m²
3 289 €
📋 Transactions
4
📈 Price per m² evolution (2020 — 2024)
📊 Annual transaction volume
📊 Nearby municipalities
| City | Apt. | House | Trans. | Pop. |
|---|---|---|---|---|
| Grenoble | 2 587 € | 3 667 € | 2579 | 156 140 |
| Saint-Martin-d'Hères | 2 218 € | 3 434 € | 392 | 37 695 |
| Échirolles | 1 800 € | 3 311 € | 329 | 37 491 |
| Vienne | 2 587 € | 3 215 € | 475 | 31 778 |
| Bourgoin-Jallieu | 2 561 € | 2 866 € | 409 | 30 151 |
| Fontaine | 1 833 € | 3 236 € | 288 | 22 020 |
💰 Rental yield
Calculated from DVF prices and observed rents
🏠 Average rent
11.9 €/m²
monthly
💰 Gross yield
2.3 %
⏳ Payback period
43.2 years
🏘️ Rental market & tension
INSEE Housing Stock 2021 · Pinel ABC zoning · Tense areas
🏠 Main residences
88.5 %
🏖️ Secondary homes
5.4 %
🚪 Vacant homes
6.1 %
🏢 Apartments
9.1 %
90.9 % houses
🎯 Pinel zoneⓘOfficial Pinel zoning. A Bis = very high tension (Paris, French Riviera), A = high tension (metropolises), B1 = moderate, B2 = low, C = relaxed market.
C
Relaxed market
⚖️ Tense area (ALUR law)ⓘTense area under article 232 of the French Tax Code (CGI) / ALUR law. Enables rent control and applies the vacant housing tax.
No
Free rents
🏢 Social housing units
3
RPLS source
💶 Local taxation
REI · DGFIP · Exercice 2024
🏠 Property tax (built)ⓘMunicipal property tax rate on built properties (TFB). Applied to the cadastral rental value to calculate the owner's annual property tax.
33.610 %
Global rate 2024
🌾 Property tax (unbuilt)ⓘMunicipal property tax rate on unbuilt properties (TFNB): land, fields, forests.
98.560 %
🏘️ Housing tax
20.040 %
Secondary homes
🗑️ Waste collection taxⓘTEOM — Household Waste Collection Tax. Applied by the municipality or intermunicipality to finance waste collection and treatment.
14.670 %
🌾 Land tax (unbuilt) REI
3.25 %
🏢 CFE
24.47 %
👥 Demographics
API Geo + INSEE
🧑🤝🧑 Inhabitants
338
2023
📐 Area
9.28 km²
36 inh/km²
💶 Median income
23 800 €
📊 Median age
42.7 yrs
35.1% under 30
💼 Activity rate
80.8 %
ages 15-64
📉 Unemployment rate
9.5 %
2021 census
🏢 Local economy & dynamism
SIRENE · INSEE
🏢 Active businesses
80
SIRENE database 2026
✨ 2024 creations
7
+250.0% vs 2023
📊 2023 creations
2
💼 Economic density
237
Businesses / 1,000 pop.
🚉 Transport & accessibility
SNCF Open Data · INSEE Urban Areas 2020
🚆 Nearest train station
Tullins Fures
À 6.54 km · Segment B
🏙️ Urban attraction areaⓘUrban Attraction Areas (INSEE 2020): municipal classification based on commuting relationships with urban hubs. Main hub / secondary / suburban crown / outside.
Grenoble
Suburban crown
🏛️ IntercommunalityⓘEPCI — Public Establishment for Intermunicipal Cooperation. Community of communes, agglomeration, urban or metropolitan community grouping the municipality with its neighbors.
CC Bièvre Isère
EPCI
📍 Rail access
Good
Station distance
🏪 Amenities & services
BPE · INSEE
📋 Services_publics
4
📋 Enseignement
1
⚽ Sport
3
🏛️ Public services
Public Service Directory API · 1 services
| Category | Qty | Examples |
|---|---|---|
| 📋 service public | 1 | Mairie - La Forteresse |
⚠️ Natural and technological risks
Géorisques API · 8 risks identified
Transport de marchandises dangereuses
Effet thermique
Mouvement de terrain
Par une crue à débordement lent de cours d'eau
Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines)
Inondation
Risque industriel
Séisme
📡 Digital coverage
ARCEP
📶 Ultra-fast broadband
100.0 %
💧 Drinking water quality
API Hub'Eau · 2 781 analyses · CC BIÈVRE ISÈRE
⚗️ Physicochemistry
✅ Compliant
📋 analyses
2 781
🎯 Municipalities with a similar score
Same region, score close to
Saint-Galmier
42330
29/100
5 829 Inhabitants
Ternay
69360
29/100
5 596 Inhabitants
Estrablin
38780
29/100
3 677 Inhabitants
Taninges
74440
29/100
3 491 Inhabitants
Colombier-Saugnieu
69124
29/100
2 874 Inhabitants
Les Vans
07140
29/100
2 662 Inhabitants
Archamps
74160
29/100
2 375 Inhabitants
Lablachère
07230
29/100
2 193 Inhabitants
📍 Nearby municipalities
Nearest geographically
| City | Distance | Score | Pop. |
|---|---|---|---|
| Izeaux | 5.9 km | 70/100 | 2 134 |
| Notre-Dame-de-l'Osier | 6.2 km | 46/100 | 535 |
| Sillans | 6.1 km | 36/100 | 1 919 |
| Beaucroissant | 7.3 km | 52/100 | 1 790 |
| Tullins | 6.1 km | 44/100 | 7 624 |
| Saint-Étienne-de-Saint-Geoirs | 7.5 km | 51/100 | 3 425 |
| Vinay | 8.9 km | 40/100 | 4 438 |
| Poliénas | 7.7 km | 37/100 | 1 111 |
❓ Frequently asked questions about La Forteresse
What is the price per m² in La Forteresse? ▶
The median price per m² in La Forteresse is 6 174 €.
What is the rental yield in La Forteresse? ▶
The gross rental yield in La Forteresse is 2.3%.
Is La Forteresse a good real estate investment? ▶
La Forteresse has a ScorCity score of 29/100, making it a risky investment.
What are the natural risks in La Forteresse? ▶
8 risks are identified in La Forteresse: Transport de marchandises dangereuses, Effet thermique, Mouvement de terrain.