True Design Build
General contractor in Mercer Island, WA 98040
About this company
True Design Build is listed as a general contractor at 4210 85th Ave SE in Mercer Island, Washington, in King County. It is one of 21 general contractors in ZIP 98040.
Other construction companies nearby
Island Crest Builders4210 85th Ave SE, Mercer Island
Under 0.1 mi(206) 422-2271
Paul's Rockeries & Construction3870 82nd Ave SE, Mercer Island
0.4 mi(206) 236-1565
Ganbo Construction LLC9007 W Shorewood Dr, Mercer Island
0.7 mi(206) 355-2454
Cascadeo4533 Ferncroft Rd Ste 215, Mercer Island
0.7 mi(206) 577-1155
Collaborative Interiors9311 SE 36th St, Mercer Island
0.7 mi(425) 681-5313
Housing market around ZIP 98040
Figures describe the local area, not this company.
Typical home value$2,213,000−0.8% past year · +88% in 10 years
Typical rent$2,796+4.8% past year
12-month value outlook−0.3%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. 22% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.