Edgewood, WA: ADUs, septic or sewer, land prices and hazard areas

Edgewood, WA ADU rules: can I build an ADU?

4,393 of the 5,158 lots in Edgewood (85%) 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.

Edgewood, WA septic or sewer: septic records and sewer mains

2,310 of the 5,158 lots in Edgewood (45%) have septic records on file with the Tacoma-Pierce County Health Department. 16 lots are inside a Pierce County sewer service area, and 167 are within 300 feet of a sewer main on the county's sewer map.

Edgewood, WA land prices: vacant land and home sales

Vacant land in Edgewood sold for a median of $291,719 per acre across 20 sales since November 1, 2023. Homes sold for a median of $744,450 across 476 sales.

Edgewood, WA flood zones, landslide and wetland areas

Of the 5,158 lots in Edgewood, 6 touch a mapped landslide hazard area, 1 an erosion hazard area, 132 a flood area and 249 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 November 8, 2026.

How these numbers are worked out · Guides

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