| Secondary dwellings in buildings destined mainly for dwellings according to the building's facilities by state of the building . 21-Huelva |
| Running water public supply | Running water private supply | Evacuation of residual waters (sewage) | Evacuation of residual waters (another type) | Porter service (only automatic) | Porter service (only person) | Porter service (both) | Has garage | Has gas | Has telephone | Has central hot water | TOTAL | |
| TOTAL | 96,53% | 2,54% | 96,41% | 2,05% | 37,31% | 1,16% | 5,60% | 18,42% | 13,24% | 75,59% | 48,56% | 48549 |
| In ruin | 36,33% | 45,67% | 79,93% | 0,69% | 10,73% | 0,00% | 2,08% | 0,69% | 2,08% | 21,45% | 52,60% | 289 |
| Bad | 57,43% | 33,66% | 86,80% | 2,64% | 38,28% | 0,00% | 0,00% | 1,32% | 36,96% | 72,94% | 46,53% | 303 |
| Deficient | 87,43% | 5,70% | 87,80% | 4,35% | 29,98% | 0,21% | 0,32% | 2,42% | 5,80% | 55,29% | 17,03% | 1861 |
| Good | 97,53% | 1,93% | 96,93% | 1,96% | 37,77% | 1,21% | 5,87% | 19,29% | 13,45% | 76,76% | 49,82% | 46096 |