Building Setbacks & Zoning in Hillsboro, OR (2026)
3 verified building setbacks & zoning rules for Hillsboro, Oregon, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
In Hillsboro's SR-6 zone, the most common single-family and middle-housing district, front yard setbacks on interior lots run 20 feet to the dwelling or garage door, side yards are 5 feet, and rear yards are 20 feet, per Community Development Code § 12.21.450, Table 12.21.450-1. Every setback in the city is measured and enforced under the citywide standard in CDC § 12.50.130.
Hillsboro Yard Setback Rules by Zone
Some RestrictionsHillsboro Community Development Code §§ 12.21.450, Table 12.21.450-1; 12.50.130(A)
A. Definition and Purpose. Setbacks (also known as "yards") are defined in Section 12.01.500. Minimum setback standards are intended to provide light and air between buildings and protection to neighboring properties. Maximum setback standards are intended to complement applicable standards for building height, floor area ratio, and design to promote an attractive streetscape and pleasant pedes...
Structure Height Limits
In Hillsboro's R-6 (single detached, duplex and triplex) residential zone, Table 12.21.450-1 caps building height at '2½ stories or 35 feet, whichever is less.' Height is measured under Community Development Code § 12.50.140 from finished grade at the center of the front building plane, following the illustrated methods in Figure 12.50.140-A for flat, mansard and pitched or hip roofs; the standard applies citywide within the R-6 zone, one of several residential base zones.
Hillsboro R-6 Zone Building Height Limits
Some RestrictionsHillsboro Community Development Code § 12.21.450, Table 12.21.450-1; § 12.50.140(B)
Table 12.21.450-1: Development Standards in the SR-6 Zone ... Maximum Building Height* 2½ stories or 35 feet, whichever is less. See measurement and illustration in Section 12.50.140; see also definition of half-story in Section 12.01.500. Maximum height for cottage clusters is in Subsection 15.50.715.E.4. ... B.Standards and Measurement Methodology.1.Standards. Except as provided under subsect...
Lot Coverage Limits
In Hillsboro's R-10 single-family zone, buildings can cover no more than 40% of an interior lot or 45% of a corner lot; other zones set their own caps.
Hillsboro Max Lot Coverage Limits
Some RestrictionsHillsboro Community Development Code § 12.21.150 (Table 12.21.150-1)
Maximum Lot Coverage 40% for interior lot 45% for corner lot Does not apply to cottage cluster lots. Lot coverage for townhouses is calculated based on the overall townhouse project, rather than each townhouse lot. Minimum Usable Open Space Variable See Section 12.50.210 Minimum Landscaping Not applicable * Standards illustrated in Figure 12.21.150-A Figure 12.21.150-A: Developm...
Looking for Washington County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Hillsboro city rules.
Building Setbacks & Zoning in Washington County →