| Secondary dwellings in buildings destined mainly for dwellings according to the building's facilities by state of the building . 28-Madrid |
| 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 | 96,21% | 3,43% | 96,48% | 2,80% | 47,56% | 1,15% | 19,48% | 29,68% | 62,71% | 90,43% | 39,84% | 274713 |
| In ruin | 82,81% | 6,92% | 87,89% | 2,57% | 49,33% | 0,89% | 13,73% | 5,58% | 45,03% | 70,09% | 23,72% | 1792 |
| Bad | 93,75% | 3,83% | 95,61% | 1,91% | 57,59% | 1,96% | 11,83% | 4,16% | 48,61% | 84,24% | 17,67% | 3921 |
| Deficient | 95,20% | 3,84% | 96,82% | 1,87% | 51,78% | 1,63% | 12,33% | 7,10% | 53,37% | 86,76% | 28,69% | 13721 |
| Good | 96,40% | 3,38% | 96,54% | 2,86% | 47,17% | 1,11% | 20,02% | 31,46% | 63,55% | 90,86% | 40,89% | 255279 |