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The growth, measured in processed square metres, saw constructed space total 5.5 million sq m for January-November, CCC said.
San José recorded the greatest increase in construction projects at 33%.
It was followed by the Alajuela, Heredia and Punteras provinces, respectively showing rises of 16.7%, 15.7% and 10.6%.
The lowest increases were registered in Limón (6.2%), Guanacaste (8.3%) and Catargo (9.6%).
By usage, the sectors that showed increases were schools, health and public space projects with 51.1%, residential building projects with 25.5%, and commercial projects with 3.3%.
But industrial buildings and office projects declined by 26.3% and 13.5% respectively.