| Buildings destined mainly for dwellings, according to year of construction (grouped) by the building's facilities . 37-Salamanca |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| Running water public supply | 94,85% | 91,51% | 94,70% | 96,13% | 96,93% | 97,56% | 97,54% | 96,13% | 91,54% | 94,46% | ||
| Running water private supply | 3,44% | 1,88% | 1,70% | 2,00% | 1,51% | 1,65% | 1,90% | 3,41% | 8,46% | 5,27% | ||
| Evacuation of residual waters (sewage) | 95,66% | 91,02% | 94,50% | 96,59% | 96,79% | 97,67% | 97,46% | 96,55% | 94,72% | 97,00% | ||
| Evacuation of residual waters (another type) | 2,25% | 1,76% | 1,36% | 1,16% | 1,25% | 1,17% | 1,70% | 2,62% | 4,74% | 2,71% | ||
| Porter service (only automatic) | 14,84% | 3,17% | 3,29% | 3,95% | 5,68% | 9,35% | 18,85% | 17,23% | 20,77% | 36,31% | ||
| Porter service (only person) | 0,06% | 0,10% | 0,04% | 0,03% | 0,05% | 0,06% | 0,06% | 0,06% | 0,09% | 0,05% | ||
| Porter service (both) | 0,70% | 0,05% | 0,14% | 0,18% | 0,19% | 0,32% | 0,95% | 0,71% | 2,70% | 0,38% | ||
| Has garage | 27,79% | 10,51% | 10,33% | 13,43% | 13,00% | 15,66% | 19,00% | 29,06% | 51,68% | 60,00% | ||
| Has gas | 28,62% | 21,12% | 20,18% | 21,71% | 28,51% | 24,89% | 35,01% | 30,42% | 31,14% | 38,45% | ||
| Has telephone | 70,50% | 61,57% | 57,90% | 61,70% | 68,01% | 69,74% | 77,11% | 76,85% | 73,31% | 79,18% | ||
| Has central hot water | 62,73% | 51,55% | 53,69% | 55,37% | 61,46% | 62,59% | 59,05% | 68,82% | 71,87% | 70,60% | ||
| TOTAL | . | . | 103555 | 14222 | 8551 | 7387 | 8218 | 11289 | 9872 | 14592 | 14426 | 14998 |