| Buildings destined mainly for dwellings, according to year of construction (grouped) by the building's facilities . 50-Zaragoza |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| Running water public supply | 96,87% | 97,21% | 98,17% | 97,74% | 98,03% | 96,80% | 98,45% | 94,45% | 94,98% | 97,42% | ||
| Running water private supply | 2,24% | 0,47% | 0,43% | 0,89% | 1,17% | 2,48% | 0,98% | 4,76% | 5,02% | 2,54% | ||
| Evacuation of residual waters (sewage) | 96,78% | 96,53% | 97,46% | 97,21% | 97,24% | 97,71% | 97,88% | 94,28% | 94,54% | 98,57% | ||
| Evacuation of residual waters (another type) | 2,00% | 0,71% | 0,61% | 0,95% | 1,44% | 1,20% | 1,38% | 4,65% | 4,97% | 1,39% | ||
| Porter service (only automatic) | 31,42% | 13,19% | 13,94% | 17,95% | 20,87% | 26,46% | 38,10% | 35,91% | 44,42% | 55,56% | ||
| Porter service (only person) | 0,09% | 0,03% | 0,06% | 0,06% | 0,07% | 0,07% | 0,08% | 0,12% | 0,11% | 0,17% | ||
| Porter service (both) | 2,25% | 0,20% | 0,26% | 0,57% | 0,87% | 0,97% | 2,49% | 4,15% | 3,93% | 4,69% | ||
| Has garage | 33,74% | 15,49% | 16,73% | 18,39% | 21,66% | 20,98% | 26,05% | 36,70% | 59,48% | 68,04% | ||
| Has gas | 21,19% | 13,27% | 13,73% | 14,16% | 15,75% | 18,67% | 25,44% | 18,01% | 24,28% | 38,17% | ||
| Has telephone | 79,08% | 63,38% | 67,32% | 69,33% | 72,00% | 82,21% | 85,95% | 84,16% | 88,47% | 90,17% | ||
| Has central hot water | 59,46% | 57,85% | 59,61% | 52,07% | 52,87% | 48,41% | 50,19% | 66,40% | 69,61% | 69,72% | ||
| TOTAL | . | . | 142327 | 22983 | 9709 | 9986 | 10314 | 17345 | 15550 | 19164 | 15431 | 21845 |