Our experience of over 30 years in the field we endorse


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COSBA, S.A., the guarantee of a long career

We are a family business specialising in real estate construction, promotion and intermediation in Denia and surroundings. In the field of real estate promotion, we have a long trajectory of 35 years in the sector. This experience has enabled us to establish a well planned work process. A personalized process which sets off from the ideas, likes and necessities of our clients. This, along with always working with the best professionals in each area, and offering a complete service with all the guarantees, allows us to produce a unique design for each project, a finished product adapted 100% to the requirements of our clients. Ultimately, to construct the house that our clients have always dreamed of living in.

As for our intermediation business, we have available a wide selection of apartments, flats, villas, semi-detached, terraced properties and building plots in the Marina Alta area, both new build and resale. We form part of the biggest real estate association of Denia, “Denia MLS Inmobiliaria”, a real estate association made up of 25 agencies. A large network of collaborations that allows us to offer an immense variety of properties where, we are sure, is the property you are looking for.

We also have available of rental properties, both vacational and long term.

Our long history and experience in the sector guarantees a professional, personal treatment and a complete knowledge of the product. We invite you to get to know us better and to let us advise you in such an important decision.

Because experience does count and our 35 years in this business are a guarantee that things are being done well. Our experience is backed by more than 500 projects.


Ground floor apartment with 2 bedrooms, bathroom and toilet with direct access to th...


 Spanish style urbanization  with direct access to one of the most requested sandy beaches in Dénia We access the hou...

  • Ref. C25889
  • 75
  • 2 Bedrooms

1 bedroom apartment completely renovated for sale in Dénia, urbanization El Palmar


Apartment for sale in the urbanization El Palmar, completely renovated, ready to enter. Housing distributed in 1 bedr...

  • Ref. C25886
  • 48
  • 1 Bedrooms

4 bedroom apartment in the nautical area of Dénia


Exclusive house for its spaciousness and location a step away from the center and the sea at the same time in a group of...

  • Ref. C25885
  • 197
  • 209
  • 4 Bedrooms

Title of the property for Sale


Ground floor for sale in Dénia, 

  • Ref. C00882
  • 103
  • 2 Bedrooms

Detached villa in Las Marinas, Las Brisas area, 200 m. from sandy beach


Villa with 5 bedrooms and pool for sale in Las Marinas, just 200 m. from the sandy beach and 100 m. from the Las Brisas ...

  • Ref. C25880S
  • 400
  • 1.100
  • 5 Bedrooms

1 bedroom apartment in urbanization with pool and garden


Apartment for sale in Las Brisas area, in the best sandy beach area of Dénia both for beach and for services throughout ...

  • Ref. AR002
  • 55
  • 1 Bedrooms

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Villa with character for sale in Montgo, Dénia


Villa with character located at the foot of the Montgo, one of the most demanded areas of Dénia, for its proximity...

Title of the property for Sale


Ground floor for sale in Dénia, 


2 bedrooms ground floor in an urbanization with swimming pool for sale in Dénia


2 bedrooms ground floor apartment for sale in Denia, Costa Blanca North. The property has been completel...

Apartment with front sea views, direct access to the sandy beach in Las Brisas


Exclusive property of 144 m2 with frontal sea views and direct access to the sandy beach, in Las Brisas, Denia, Co...

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