Koelzer Construction
Construction company in St Helens, OR 97051
About this company
Koelzer Construction is listed as a construction company at 309 N Columbia River Hwy in St Helens, Oregon, in Columbia County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 13 general contractors in ZIP 97051.
Other construction companies nearby
JAW's Contracting231 Allendale Ct, Saint Helens
0.6 mi(503) 396-0511
James H Brissett Construction155 S 4th St, St Helens
0.9 mi(503) 396-1247
Richmond American HomesVernonia Road & Pittsburg Road, St Helens
1.0 mi(503) 966-6362
AKL General Contractors344 N 2nd St, Saint Helens
1.0 mi(503) 410-5764
Built Well Construction34977 Millard Rd, Warren
2.0 mi(503) 894-6991
Housing market around ZIP 97051
Figures describe the local area, not this company.
Typical home value$420,000−0.8% past year · +80% in 10 years
Typical rent$1,660+2.0% past year
12-month value outlook−0.3%Roughly flat
New homes permitted, 202584Columbia 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: Columbia County permitted 84 new homes in 2025. 26% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.