2,260 of the 11,899 lots in Graham (19%) 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 9,423 lots are outside the urban growth area, where Pierce County's own ADU rules decide.
6,107 of the 11,899 lots in Graham (51%) have septic records on file with the Tacoma-Pierce County Health Department. 11,899 lots are inside a Pierce County sewer service area, and 1,826 are within 300 feet of a county sewer main.
Vacant land in Graham sold for a median of $44,847 per acre across 64 sales since October 1, 2023. Homes sold for a median of $570,000 across 1,141 sales. 1,226 new homes were permitted since October 1, 2021.
Of the 11,899 lots in Graham, 3,654 touch a mapped landslide hazard area, 2,054 an erosion hazard area, 1,552 a flood area and 2,232 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