| HOUSING | New York | Gretna | United States |
| Median Home Age | 58.8 | 32.1 | 35.1 |
| Median Home Cost | $466,200 | $60,100 | $153,800 |
| Home Appreciation | -2.97% | -2.77% | 1.62% |
| Homes Owned | 28.56% | 61.06% | 57.69% |
| Housing Vacant | 7.75% | 16.81% | 11.38% |
| Homes Rented | 63.69% | 22.13% | 30.93% |
| Property Tax Rate | $6.88 | $6.80 | $11.20 |
| OWNER-OCCUPIED HOUSING UNITS BY VALUE | | | |
| Less Than $20,000 | 0.82% | 9.52% | 2.72% |
| $20,000 to $39,999 | 1.16% | 21.85% | 4.03% |
| $40,000 to $59,999 | 1.23% | 17.93% | 5.58% |
| $60,000 to $79,999 | 1.09% | 10.08% | 7.09% |
| $80,000 to $99,999 | 1.21% | 13.45% | 8.80% |
| $100,000 to $149,999 | 4.24% | 15.69% | 21.26% |
| $150,000 to $199,999 | 4.76% | 3.36% | 14.87% |
| $200,000 to $299,999 | 14.67% | 2.80% | 16.82% |
| $300,000 to $399,999 | 21.94% | 2.52% | 7.83% |
| $400,000 to $499,999 | 16.54% | 0.00% | 4.04% |
| $500,000 to $749,999 | 18.18% | 0.00% | 4.05% |
| $750,000 to $999,999 | 5.08% | 0.00% | 1.26% |
| $1,000,000 or more | 9.08% | 2.52% | 1.64% |
| HOUSING UNITS BY YEAR STRUCTURE BUILT | | | |
| 1999 to 2005 | 7.03% | 0.68% | 13.71% |
| 1995 to 1998 | 3.72% | 26.69% | 14.31% |
| 1990 to 1994 | 3.72% | 26.69% | 14.31% |
| 1980 to 1989 | 4.62% | 18.24% | 13.87% |
| 1970 to 1979 | 7.82% | 18.07% | 16.17% |
| 1960 to 1969 | 13.80% | 15.37% | 11.70% |
| 1950 to 1959 | 14.90% | 9.63% | 11.08% |
| 1940 to 1949 | 13.89% | 4.05% | 6.02% |
| 1939 or Earlier | 34.21% | 7.26% | 13.15% |
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