| HOUSING | Mattawa | Green Valley | United States |
| Median Home Age | 18.9 | 24.2 | 35.1 |
| Median Home Cost | $83,300 | $140,400 | $153,800 |
| Home Appreciation | -0.88% | -0.38% | 1.62% |
| Homes Owned | 33.81% | 62.27% | 57.69% |
| Housing Vacant | 6.17% | 26.45% | 11.38% |
| Homes Rented | 60.02% | 11.29% | 30.93% |
| Property Tax Rate | $12.02 | $10.37 | $11.20 |
| OWNER-OCCUPIED HOUSING UNITS BY VALUE | | | |
| Less Than $20,000 | 5.21% | 0.20% | 2.72% |
| $20,000 to $39,999 | 2.28% | 0.57% | 4.03% |
| $40,000 to $59,999 | 7.49% | 3.50% | 5.58% |
| $60,000 to $79,999 | 8.79% | 4.06% | 7.09% |
| $80,000 to $99,999 | 6.19% | 10.38% | 8.80% |
| $100,000 to $149,999 | 37.13% | 27.54% | 21.26% |
| $150,000 to $199,999 | 16.61% | 23.24% | 14.87% |
| $200,000 to $299,999 | 14.01% | 22.60% | 16.82% |
| $300,000 to $399,999 | 1.95% | 5.55% | 7.83% |
| $400,000 to $499,999 | 0.33% | 1.85% | 4.04% |
| $500,000 to $749,999 | 0.00% | 0.32% | 4.05% |
| $750,000 to $999,999 | 0.00% | 0.09% | 1.26% |
| $1,000,000 or more | 0.00% | 0.08% | 1.64% |
| HOUSING UNITS BY YEAR STRUCTURE BUILT | | | |
| 1999 to 2005 | 14.02% | 20.32% | 13.71% |
| 1995 to 1998 | 41.97% | 21.05% | 14.31% |
| 1990 to 1994 | 41.97% | 21.05% | 14.31% |
| 1980 to 1989 | 14.02% | 20.26% | 13.87% |
| 1970 to 1979 | 22.11% | 27.84% | 16.17% |
| 1960 to 1969 | 5.32% | 9.43% | 11.70% |
| 1950 to 1959 | 1.43% | 0.31% | 11.08% |
| 1940 to 1949 | 1.02% | 0.19% | 6.02% |
| 1939 or Earlier | 0.10% | 0.60% | 13.15% |
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