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

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

0 of the 1,130 lots in Ashford (0%) 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 934 lots are outside the urban growth area, where Pierce County's own ADU rules decide.

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

288 of the 1,130 lots in Ashford (25%) have septic records on file with the Tacoma-Pierce County Health Department. 0 lots are inside a Pierce County sewer service area, and 0 are within 300 feet of a sewer main on the county's sewer map.

Ashford, WA land prices: vacant land and home sales

Vacant land in Ashford sold for a median of $244,936 per acre across 40 sales since November 1, 2023. Homes sold for a median of $406,980 across 63 sales. 64 new homes were permitted since November 1, 2021.

Ashford, WA flood zones, landslide and wetland areas

Of the 1,130 lots in Ashford, 1,116 touch a mapped landslide hazard area, 60 an erosion hazard area, 125 a flood area and 55 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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