River Rock General Construction, LLC
Construction company in Hillsboro, OR 97003
About this company
River Rock General Construction, LLC is listed as a construction company at 18625 SW Alexander St in Hillsboro, Oregon, in Washington County. It is one of 20 general contractors in ZIP 97003.
Other construction companies nearby
Precision Home Improvement LLC18665 SW Alexander St, Beaverton
Under 0.1 mi(503) 545-8250
INLINE Commercial Construction18880 SW Shaw St, Beaverton
0.2 mi(503) 642-5117
Alex Floors LLC19077 SW Alexander St, Beaverton
0.2 mi(971) 732-0332
Green O Construction LLC20001 SW Tualatin Valley Highway Ste 208, Beaverton
0.7 mi(971) 226-7751
Magnolia Homes19160 SW Magnolia Ln, Beaverton
0.7 mi(971) 404-9495
Housing market around ZIP 97003
Figures describe the local area, not this company.
Typical home value$477,000−2.5% past year · +62% in 10 years
Typical rent$1,915−3.0% past year
12-month value outlook+0.2%Roughly flat
New homes permitted, 20251,886Washington County
Days to sale agreement23Portland metro · 26 a year ago
Listings with a price cut31.8%Portland metro
Sale price vs list99.7%Portland metro
New construction sales371Portland metro, Aug · −19% 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: Washington County permitted 1,886 new homes in 2025, including 212 apartment units. 33% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.