Mark Siderius Construction & Excavation LLC
Excavation contractor in Kalispell, MT 59901
About this company
Mark Siderius Construction & Excavation LLC is listed as an excavation contractor based in Kalispell, Montana, in Flathead County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 14 excavation and demolition companies in ZIP 59901.
Other excavation and demolition companies nearby
Bosket Plumbing & Excavating1218 Stonefield Ln, Kalispell
(406) 756-9458
Foothill Construction Services2069 Foothill Rd, Kalispell
(406) 210-0506
Gray Cor LLC85 Collier Ln, Kalispell
(406) 257-0230
Knoll Trucking & Excavation213 Montford Rd, Kalispell
(406) 261-0174
LaSalle Sand & Gravel315 Pioneer Rd, Kalispell
(406) 756-9070
Housing market around ZIP 59901
Figures describe the local area, not this company.
Typical home value$554,000+1.7% past year · +116% in 10 years
Typical rent$1,901+3.0% past year
12-month value outlook+1.7%
New homes permitted, 2025830Flathead County
Listings with a price cut23.9%Kalispell metro
New construction sales11Kalispell metro, Aug
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: Flathead County permitted 830 new homes in 2025, including 630 apartment units. 32% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.