2,074 of the 2,331 lots in Milton (89%) are zoned for houses inside an urban growth area. On those lots, Washington's HB 1337 requires the city or county to allow at least two accessory dwelling units (ADUs). Another 0 lots are outside the urban growth area, where Pierce County's own ADU rules decide.
68 of the 2,331 lots in Milton (3%) have septic records on file with the Tacoma-Pierce County Health Department. 2,331 lots are inside a Pierce County sewer service area, and 2,255 are within 300 feet of a county sewer main.
Vacant land in Milton sold for a median of $381,001 per acre across 5 sales since October 1, 2023. Homes sold for a median of $600,000 across 221 sales. 1 new homes were permitted on its unincorporated lots since October 1, 2021. The city issues its own permits, which are not in our data yet.
Of the 2,331 lots in Milton, 12 touch a mapped landslide hazard area, 9 an erosion hazard area, 156 a flood area and 22 an inventoried wetland, on Pierce County's maps.
From the Pierce County Assessor-Treasurer, the county's zoning, sewer, hazard and growth-area maps, and the Tacoma-Pierce County Health Department. Records as of October 2, 2026.
How these numbers are worked out · Guides