Rustic land in Spain, municipality by municipality › Guadalajara
Alarilla
Guadalajara · Castilla-La Mancha · 22 km²
What rustic land in Alarilla allows and holds, for the municipality as a whole. For a particular plot, open it in the map: the report answers for that exact point.
Can you build a house on rustic land?
Castilla-La Mancha requires at least 1.5 ha for a new house on rustic land.
Other cases: 3 ha on protected rustic land.
Orden 4/2020, art. 5. A town plan can be stricter.
Plan in force: Delimitación de Suelo Urbano (only marks the town's edge), from 2001. The region's planning viewer ↗
The national urban information system (SIU) maps the land class for 99% of the municipality.
Only the town hall can confirm it, in writing: ask for a certificado urbanístico.
Is there water?
No well or borehole is recorded in Alarilla. That is not proof there is no water: ask local drillers. 2 springs are recorded.
Ground: 63% low permeability, local groundwater only; 25% porous aquifer, medium productivity; 13% porous aquifer, high productivity.
Choosing where to drill takes a hydrogeologist.
What to watch for
- One fire since 2016 reached the municipality: 1,562 ha, in 2022.
- 7% of the municipality lies in the 100-year flood zone; 8.4% in the 500-year one.
- 6.3% of the municipality is preferential flow zone, where new building is generally banned.
- 9.1% of the municipality is Natura 2000: new works need the region's consent.
- Not a radon zone.
Living here
- 4G reaches 72% of homes; fibre 99%. Averages for the municipality.
- Rain: 415 mm a year (1971–2000), about 391 by 2041–2070.
- Summer highs: 30.2 °C, about 34.3 °C by 2041–2070.
- Frost days: 67 a year, about 43 by 2041–2070.
Around it
Taragudo · Torre del Burgo · Humanes · Hita · Espinosa de Henares · Heras de Ayuso · Montarrón · Mohernando
Selling land in Alarilla? Add a free water and building check to your listing.
From IGME, MITECO, SNCZI, EFFIS, the SIU, the Building Code, NCSE-02, SETID and AdapteCCa; summarised 9 October 2026. Information, not a certificate: the town hall has the final word.