Castro-Urdiales, Cantabria property and area FAQs

Castro Urdiales is a seaport of northern Spain, in the autonomous community of Cantabria, situated on the Bay of Biscay. Castro Urdiales is a modern town, although its castle and the Gothic-style parish church of Santa María de la Asunción, date from the Middle Ages. Its chief industries are tourism, fishing, and oil-packing of fish, especially sardines and anchovies. The Lolin and La Castreña anchovy canning factories serve as a reminder of the town's closeness to this industry and its proximity to the sea.

Castro-Urdiales’ current IGN settlement record contains 13 official population nuclei. The imported source records are dated through 2025-10-21. The entry explicitly marked as the municipal capital is Castro-Urdiales, at a recorded elevation of approximately 5 metres. Other population-bearing nuclei in the extract include Baltezana (353 residents in the cited settlement record), Allendelagua (184 residents in the cited settlement record), and Sonabia (49 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 town is popular because of its beaches and scenic harbor.

The linked structured municipality record gives an area of 96.7 square kilometres for Castro-Urdiales municipality. This is municipal geography, not a property-search radius.

The sourced municipality record gives a reference elevation of approximately 19 metres. Elevation can vary within the municipality and is not a property-specific measurement.

Castro-Urdiales 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 current IGN Nomenclátor extract records 13 official population nuclei for Castro-Urdiales municipality. These are settlement records, not property listings.

The official municipality context used for Castro-Urdiales has INE code 39020. That code prevents same-name municipalities in different provinces from being combined.

Castro-Urdiales is an official municipality in Cantabria province, Spain. Its exact municipality identity is used for the official evidence on this page.

Dividing the INE population of 33,092 by the recorded municipal area of 96.7 km² gives approximately 342.1 residents per km² for Castro-Urdiales municipality. This is a transparent calculation from the two cited values.

The stated official-data scope is Castro-Urdiales 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 14 additional named-place records for Castro-Urdiales municipality. This count describes geographic records, not neighbourhood boundaries or properties for sale.

The linked structured record gives a municipal reference coordinate of 43.3844, -3.2150. It is not a listing coordinate, parcel boundary or search radius.

The latest imported INE population for Castro-Urdiales municipality is 33,092, for period 2023.

Across the first and latest points in the displayed INE series for Castro-Urdiales municipality, recorded population changed by 4.7%. This describes the published series, not a forecast.

The latest imported INE household-income atlas value for Castro-Urdiales municipality is €15,554 net income per person, for period 2023.

INE records an average age of 43.5 years for Castro-Urdiales municipality, for period 2023.

INE records 17.1% of residents aged 65 or over for Castro-Urdiales municipality, in 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 9 displayed observations for Castro-Urdiales municipality, the highest population value is 33,092 residents in 2023.

Within the same displayed series for Castro-Urdiales municipality, the lowest population value is 31,542 residents in 2016.

From 2015 to 2023, the displayed population value for Castro-Urdiales municipality changed by 4.7%. This is a historical comparison between two published points, not a forecast.

The imported INE nationality series implies a non-Spanish resident share of 9.5% for Castro-Urdiales municipality, in period 2023.

The page uses 9 published observations for Castro-Urdiales municipality, running from 2015 to 2023.

The latest imported INE figure is 2.30 people per household for Castro-Urdiales municipality, for period 2023.

The current Consejo General del Notariado snapshot for Castro-Urdiales municipality records €2,565 per square metre. It is completed-sale evidence, not an asking-price figure.

MITMA records an appraised housing value of €2,717 per square metre for Castro-Urdiales municipality in 2026Q1. Appraised value is a different basis from both asking and completed-sale price.

The displayed series for Castro-Urdiales municipality begins at €2,009 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 Castro-Urdiales municipality, the highest appraised housing value value is €2,717 per m² in 2026Q1.

The displayed series for Cantabria province begins at €1,794 per m² in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

From 2023Q3 to 2026Q2, the displayed quarterly transaction count value for Castro-Urdiales municipality changed by 45.3%. This is a historical comparison between two published points, not a forecast.

The page uses 12 published observations for Castro-Urdiales municipality, running from 2023Q3 to 2026Q2.

From 2024Q3 to 2026Q2, the displayed regional house-price index value for Cantabria changed by 22.2%. This is a historical comparison between two published points, not a forecast.

693 of 733 recorded transactions inform the published price measures for Castro-Urdiales municipality, equal to 94.5%.

The simple arithmetic mean across the 8 displayed registered sale-price benchmark observations for Cantabria province is €1,966 per m². It is calculated from the published points and is not a separate official benchmark.

From 2023Q2 to 2026Q1, the displayed appraised housing value value for Castro-Urdiales municipality changed by 35.3%. This is a historical comparison between two published points, not a forecast.

The displayed series for Cantabria begins at 3.6% in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

Dirección General del Catastro records 3,683 buildings for Castro-Urdiales municipality in the current imported extract. This is physical stock, not homes for sale.

The current Catastro building extract records 24,553 dwellings for Castro-Urdiales 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 1,961 for Castro-Urdiales municipality. Missing construction years are not imputed.

The current official administrative extract contains 5,615 energy certificates for Castro-Urdiales municipality. Certificate count is registered coverage, not the total number of homes.

The Before 1950 band contains 1,265 recorded buildings for Castro-Urdiales municipality, representing 34.8% of the buildings included in the displayed age distribution.

The 1950–1969 band contains 493 recorded buildings for Castro-Urdiales municipality, representing 13.5% of the buildings included in the displayed age distribution.

The 2010 onward band contains 155 recorded buildings for Castro-Urdiales municipality, representing 4.3% of the buildings included in the displayed age distribution.

The largest recorded Catastro age band is 1990–2009, with 1,296 buildings, or 35.6% of buildings that enter the displayed age distribution.

Among the imported certificates for Castro-Urdiales municipality, 2.8% are rated A, B or C. The share applies only to registered certificates in the dataset.

The Catastro extract records 24,553 dwellings across 3,683 buildings for Castro-Urdiales municipality, or approximately 6.67 dwellings per recorded building.

The 1990–2009 band contains 1,296 recorded buildings for Castro-Urdiales municipality, representing 35.6% of the buildings included in the displayed age distribution.

The 1970–1989 band contains 431 recorded buildings for Castro-Urdiales municipality, representing 11.8% of the buildings included in the displayed age distribution.

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