Data
Zoning
Missing middle housing allowed in zoning (by-right, special exception, conditional use)
For residential land within Landscapes3 urban and suburban centers, not all county land.
| Missing middle housing Type | Total land permitted | Percent of all residential land | Total undeveloped land | Percent of undeveloped land | Total developed land | Percent of developed land |
|---|---|---|---|---|---|---|
| Land (in acres) where missing middle housing type is permitted | Percent of all residentially zoned land in suburban and urban growth areas allowing missing middle housing type | Undeveloped land (in acres) where missing middle housing type is permitted | Percent of undeveloped residentially zoned land in suburban and urban growth areas allowing missing middle housing type | Developed land (in acres) where missing middle housing type is permitted | Percent of developed residentially zoned land in suburban and urban growth areas allowing missing middle housing type | |
| Rehab | 8,224 | 42% | 531 | 36% | 7,693 | 42% |
| Accessory dwelling unit | 6,503 | 33% | 461 | 32% | 6,043 | 33% |
| Twin | 9,654 | 49% | 540 | 37% | 9,115 | 50% |
| Townhome | 8,548 | 44% | 483 | 33% | 8,065 | 44% |
| Duplex | 8,850 | 45% | 460 | 32% | 8,390 | 46% |
| Triplex | 7,982 | 41% | 437 | 30% | 7,545 | 41% |
| Quadplex | 7,855 | 40% | 403 | 28% | 7,452 | 41% |
| Multiplex | 7,808 | 40% | 430 | 30% | 7,378 | 41% |
| Live-work | 1,882 | 10% | 50 | 3% | 1,832 | 10% |
Missing middle housing allowed by-right
For residential land within Landscapes3 urban and suburban centers, not all county land.
| Missing middle housing Type | Total land permitted | Percent of all residential land | Total undeveloped land | Percent of undeveloped land | Total developed land | Percent of developed land |
|---|---|---|---|---|---|---|
| Land (in acres) where missing middle housing type is permitted | Percent of all residentially zoned land in suburban and urban growth areas allowing missing middle housing type | Undeveloped land (in acres) where missing middle housing type is permitted | Percent of undeveloped residentially zoned land in suburban and urban growth areas allowing missing middle housing type | Developed land (in acres) where missing middle housing type is permitted | Percent of developed residentially zoned land in suburban and urban growth areas allowing missing middle housing type | |
| Rehab | 2,599 | 13% | 142 | 10% | 2,457 | 13% |
| Accessory dwelling unit | 4,231 | 22% | 218 | 15% | 4,013 | 22% |
| Twin | 8,691 | 44% | 468 | 32% | 8,224 | 45% |
| Townhome | 4,952 | 25% | 307 | 21% | 4,646 | 26% |
| Duplex | 7,414 | 38% | 353 | 24% | 7,061 | 39% |
| Triplex | 4,373 | 22% | 233 | 16% | 4,139 | 23% |
| Quadplex | 4,052 | 21% | 215 | 15% | 3,837 | 21% |
| Multiplex | 4,105 | 21% | 233 | 16% | 3,872 | 21% |
| Live-work | 819 | 4% | 33 | 2% | 786 | 4% |
Land Capacity
| Missing middle housing Type | Missing middle housing type land unit capacity of undeveloped land (all residentially zoned) | Single family detached land unit capacity of undeveloped land (all residentially zoned) | Difference |
|---|---|---|---|
| Approximate missing middle housing units that could be accommodated by undeveloped area (not including ROW) in residentially zoned land in suburban and urban growth areas | Approximate single-family detached units that could be accommodated by undeveloped area (not including ROW) in residentially zoned land in suburban and urban growth areas | Approximate additional units resulting from missing middle housing development | |
| Twin | 15,770 | 2,210 | 13,560 |
| Townhome | 22,442 | 2,210 | 20,231 |
| Duplex | 14,961 | 2,210 | 12,751 |
| Triplex | 28,052 | 2,210 | 25,842 |
| Quadplex | 32,416 | 2,210 | 30,205 |
| Multiplex | 39,362 | 2,210 | 37,152 |
| Live-Work | 26,522 | 2,210 | 24,312 |
| Missing middle housing Type | Missing middle housing type land unit capacity of undeveloped land (all residentially zoned) | Missing middle housing type land unit capacity of undeveloped land (by-right, special exception, conditional use) | Missing middle housing type land unit capacity of undeveloped land (by-right) |
|---|---|---|---|
| Approximate missing middle housing units that could be accommodated by undeveloped area (not including ROW) in residentially zoned land in suburban and urban growth areas | Approximate missing middle housing units that could be accommodated by undeveloped area (not including ROW) in residentially zoned land in suburban and urban growth areas allowing missing middle housing type | Approximate missing middle housing units that could be accommodated by undeveloped area (not including ROW) in residentially zoned land in suburban and urban growth areas allowing missing middle housing type | |
| Twin | 15,770 | 5,834 | 5,056 |
| Townhome | 22,442 | 7,435 | 4,718 |
| Duplex | 14,961 | 4,721 | 3,622 |
| Triplex | 28,052 | 8,409 | 4,487 |
| Quadplex | 32,416 | 8,959 | 4,776 |
| Multiplex | 39,362 | 11,598 | 6,278 |
| Live-Work | 26,522 | 900 | 601 |
3 https://www.census.gov/data/tables/time-series/dec/coh-units.html

