J Harper Contractors Inc
Excavation contractor in Maple Valley, WA 98038
About this company
J Harper Contractors Inc is listed as an excavation contractor based in Maple Valley, Washington, in King County. Federal motor carrier records list 5 drivers and 11 trucks for the company. It is one of 2 excavation and demolition companies in ZIP 98038.
Other excavation and demolition companies nearby
Elk Heights Excavation22710 SE Lake Francis Rd, Maple Valley
(425) 432-5040
Housing market around ZIP 98038
Figures describe the local area, not this company.
Typical home value$764,000−2.4% past year · +87% in 10 years
Typical rent$2,972+1.4% past year
12-month value outlook−0.1%Roughly flat
New homes permitted, 20258,505King County
Days to sale agreement27Seattle metro · 21 a year ago
Listings with a price cut34.2%Seattle metro
Sale price vs list99.3%Seattle metro
New construction sales417Seattle metro, Aug · −34% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: King County permitted 8,505 new homes in 2025, including 5,102 apartment units. 42% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.