Onda, Castellón property and area FAQs

Onda is a town in eastern Spain, in the province of Castelló, part of the autonomous community of Valencia.

The current IGN Nomenclátor extract records 14 official population nuclei for Onda. The imported source records are dated through 2025-10-28. The entry explicitly marked as the municipal capital is Onda, at a recorded elevation of approximately 192 metres. Other population-bearing nuclei in the extract include el Monte Blanco (546 residents in the cited settlement record), Beniparrell (298 residents in the cited settlement record), Urbanització El Morral (252 residents in the cited settlement record), el Tossalet (240 residents in the cited settlement record), and Artesa (198 residents in the cited settlement record). Nomenclátor entries describe settlement geography; they are not listing totals, neighbourhood boundaries or evidence of homes currently available for sale.

The Sitjar dam, located close to Onda, is an important feature for the irrigation of the nearby fields with water from the Millars River.

The linked structured municipality record gives an area of 108.4 square kilometres for Onda municipality. This is municipal geography, not a property-search radius.

Dividing the INE population of 25,713 by the recorded municipal area of 108.4 km² gives approximately 237.2 residents per km² for Onda municipality. This is a transparent calculation from the two cited values.

NLS resolves the municipality context through INE code 12084 and keeps the province label Castellón. Name-only fuzzy matching is not used to assign official market values.

Onda is treated as an official municipality. The page is joined to institutional datasets by its five-digit INE identity, not by a loose name match.

The linked structured record gives a municipal reference coordinate of 39.9630, -0.2652. It is not a listing coordinate, parcel boundary or search radius.

Yes. The structured municipality record includes an official website field. NLS treats that as identity context and not as property-market evidence.

The official municipality context used for Onda has INE code 12084. That code prevents same-name municipalities in different provinces from being combined.

The stated official-data scope is Onda municipality. Current NLS listings use the property-search area itself, while official market and demographic measures keep their own published geography visible.

The audited municipality record contains 30 additional named-place records for Onda municipality. This count describes geographic records, not neighbourhood boundaries or properties for sale.

Onda is in Castellón province. Province-level figures are explicitly labelled when a municipality-level series is unavailable.

The latest imported INE population for Onda municipality is 25,713, for period 2023.

Across the first and latest points in the displayed INE series for Onda municipality, recorded population changed by 4.1%. This describes the published series, not a forecast.

The latest imported INE household-income atlas value for Onda municipality is €13,872 net income per person, for period 2023.

INE records an average age of 42.1 years for Onda municipality, for period 2023.

The latest imported INE figure is 2.50 people per household for Onda municipality, for period 2023.

The population figure uses INE period 2023. The page shows the period beside the value so it is not mistaken for a live counter.

Within the same displayed series for Onda municipality, the lowest population value is 24,649 residents in 2016.

The imported INE nationality series implies a non-Spanish resident share of 14.6% for Onda municipality, in period 2023.

Within the 9 displayed observations for Onda municipality, the highest population value is 25,713 residents in 2023.

INE records 17.6% of residents aged 65 or over for Onda municipality, in period 2023.

The displayed series for Onda municipality begins at 24,691 residents in 2015. This is the earliest point in the current imported series, not an estimate for an earlier period.

From 2015 to 2023, the displayed population value for Onda municipality changed by 4.1%. This is a historical comparison between two published points, not a forecast.

The current Consejo General del Notariado snapshot for Onda municipality records €886 per square metre. It is completed-sale evidence, not an asking-price figure.

MITMA records an appraised housing value of €964 per square metre for Onda municipality in 2026Q1. Appraised value is a different basis from both asking and completed-sale price.

The displayed series for Onda municipality begins at €752 per m² in 2023Q2. This is the earliest point in the current imported series, not an estimate for an earlier period.

Within the 12 displayed observations for Onda municipality, the highest appraised housing value value is €966 per m² in 2025Q4.

Within the same displayed series for Onda municipality, the lowest appraised housing value value is €730 per m² in 2023Q4.

From 2024Q3 to 2026Q2, the displayed regional foreign-buyer share value for Comunitat Valenciana changed by 9.1%. This is a historical comparison between two published points, not a forecast.

The latest displayed MITMA point records 149 housing transactions in 2026Q2 for Onda municipality.

The simple arithmetic mean across the 8 displayed regional foreign-buyer share observations for Comunitat Valenciana is 28.5%. It is calculated from the published points and is not a separate official benchmark.

The imported Notariado snapshot states a fetch timestamp of 2026-08-03 21:39:29. It is a current snapshot, not a historical quarterly series.

The price-informed transactions in the Notariado snapshot have an average recorded surface of 97 m² for Onda municipality.

Registradores reports a foreign-buyer share of 31.0% for Comunitat Valenciana in 2026Q2. It is regional context, not a municipality estimate.

The simple arithmetic mean across the 12 displayed appraised housing value observations for Onda municipality is €849 per m². It is calculated from the published points and is not a separate official benchmark.

Dirección General del Catastro records 7,347 buildings for Onda municipality in the current imported extract. This is physical stock, not homes for sale.

The current Catastro building extract records 14,173 dwellings for Onda municipality. It should not be read as current sale inventory.

Across buildings with a recorded construction year, the Catastro extract gives an average year of 1,967 for Onda municipality. Missing construction years are not imputed.

The current official administrative extract contains 3,282 energy certificates for Onda municipality. Certificate count is registered coverage, not the total number of homes.

The 1950–1969 band contains 1,323 recorded buildings for Onda municipality, representing 18.1% of the buildings included in the displayed age distribution.

The largest recorded Catastro age band is 1970–1989, with 2,277 buildings, or 31.1% of buildings that enter the displayed age distribution.

The Catastro extract records 14,173 dwellings across 7,347 buildings for Onda municipality, or approximately 1.93 dwellings per recorded building.

The 1990–2009 band contains 1,986 recorded buildings for Onda municipality, representing 27.1% of the buildings included in the displayed age distribution.

Among the imported certificates for Onda municipality, 6.4% are rated A, B or C. The share applies only to registered certificates in the dataset.

The 1970–1989 band contains 2,277 recorded buildings for Onda municipality, representing 31.1% of the buildings included in the displayed age distribution.

The Before 1950 band contains 1,536 recorded buildings for Onda municipality, representing 21.0% of the buildings included in the displayed age distribution.

The 2010 onward band contains 194 recorded buildings for Onda municipality, representing 2.7% of the buildings included in the displayed age distribution.

The current eligible public inventory contains 0 listings for Onda. The count excludes sold, withdrawn, expired, rejected, draft, private, off-market and feed-private records.