| HOUSING | Castle Rock | Fairfield | United States |
| Median Home Age | 8 | 29.1 | 35.1 |
| Median Home Cost | $269,300 | $191,500 | $153,800 |
| Home Appreciation | 4.82% | -0.13% | 1.62% |
| Homes Owned | 72.21% | 56.03% | 57.69% |
| Housing Vacant | 5.32% | 7.26% | 11.38% |
| Homes Rented | 22.47% | 36.71% | 30.93% |
| Property Tax Rate | $8.28 | $8.27 | $11.20 |
| OWNER-OCCUPIED HOUSING UNITS BY VALUE | | | |
| Less Than $20,000 | 0.20% | 1.19% | 2.72% |
| $20,000 to $39,999 | 0.07% | 1.06% | 4.03% |
| $40,000 to $59,999 | 0.11% | 0.86% | 5.58% |
| $60,000 to $79,999 | 0.22% | 1.68% | 7.09% |
| $80,000 to $99,999 | 0.54% | 2.36% | 8.80% |
| $100,000 to $149,999 | 6.84% | 18.67% | 21.26% |
| $150,000 to $199,999 | 19.80% | 26.51% | 14.87% |
| $200,000 to $299,999 | 36.32% | 29.02% | 16.82% |
| $300,000 to $399,999 | 17.21% | 10.83% | 7.83% |
| $400,000 to $499,999 | 8.09% | 4.24% | 4.04% |
| $500,000 to $749,999 | 7.11% | 2.52% | 4.05% |
| $750,000 to $999,999 | 1.91% | 0.57% | 1.26% |
| $1,000,000 or more | 1.57% | 0.49% | 1.64% |
| HOUSING UNITS BY YEAR STRUCTURE BUILT | | | |
| 1999 to 2005 | 59.21% | 17.05% | 13.71% |
| 1995 to 1998 | 22.10% | 15.21% | 14.31% |
| 1990 to 1994 | 22.10% | 15.21% | 14.31% |
| 1980 to 1989 | 10.28% | 18.74% | 13.87% |
| 1970 to 1979 | 5.76% | 20.85% | 16.17% |
| 1960 to 1969 | 1.03% | 14.40% | 11.70% |
| 1950 to 1959 | 0.56% | 9.24% | 11.08% |
| 1940 to 1949 | 0.32% | 3.12% | 6.02% |
| 1939 or Earlier | 0.75% | 1.39% | 13.15% |
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