Square One Construction
General contractor in Helena, MT 59602
About this company
Square One Construction is listed as a general contractor at 3790 N Montana Ave in Helena, Montana, in Lewis and Clark County. It is one of 43 general contractors in ZIP 59602.
Other construction companies nearby
Sleeping Giant Inc.4570 Lorraine Dr, Helena
0.8 mi(406) 438-6082
Ten Mile Construction Inc750 W Custer Ave Ste 2, Helena
0.8 mi(406) 465-1557
Matrix Construction1120 Hahn Rd, Helena
0.8 mi(406) 461-2822
Diamond Construction2905 N Montana Ave, Helena
1.0 mi(406) 443-3373
A.P. Roofing & Construction LLC418 W Custer Ave, Helena
1.1 mi(406) 465-1254
Housing market around ZIP 59602
Figures describe the local area, not this company.
Typical home value$530,000+2.8% past year · +106% in 10 years
Typical rent$1,817
12-month value outlook+2.1%
New homes permitted, 2025193Lewis and Clark County
Listings with a price cut19.6%Helena metro
New construction sales5Helena metro, Aug · −38% 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: Lewis and Clark County permitted 193 new homes in 2025, including 28 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.