Metal buildings Pacific MO and Franklin County are a steady part of our St. Louis metro business. Pacific offers a mix of residential and rural properties within commuting range of St. Louis — buyers who want practical, quality outbuildings without overbuilding for their lot size. Amsteel Midwest coordinates delivery and installation of tubular steel, cold formed steel, and red iron buildings throughout Pacific and Franklin County.
Like Eureka, Pacific’s property sizes tend toward the smaller end of our STL market — 30×40 and 30×50 are the most common configurations here. Upgraded tubular steel is an excellent fit for this market: quality results at competitive pricing for buyers who don’t need the full cold formed steel package but want a building they’re proud of.
Which Building Type Is Right for Your Pacific Project?
Tubular Steel — Quality Results with the Right Upgrades
Tubular steel is the decisive cost winner up to 30′ wide and remains competitive through 40′ wide — the sweet spot for the Pacific market. Franklin County accepts generic Risk Category I engineering for qualifying agricultural and utility structures in unincorporated areas, which keeps costs down for the right applications. With manufacturer upgrades — foam closures, rat guard trim, rake edges, gutter packages, and housewrap or double bubble for insulated builds — a tubular building delivers a quality finished result at a price that makes sense for Pacific lot sizes.
Our Project Advisors spec these upgrades correctly upfront so there are no surprises after installation. Tubular also offers excellent eave wall door placement flexibility with headered openings up to 20′ wide. Site-specific engineering runs approximately $2.00 per square foot when required.
Cold Formed Steel — Finished Appearance and Occupied Structures
Cold formed steel comes standard with foam closure systems, soffit options, upgraded trim packages, rat guard trim, rake edges, gutter packages, and standing seam roof options. Site-specific engineering runs approximately $0.75 per square foot. For Pacific buyers building barndominiums, finished workshops, residential shells, or any occupied structure, cold formed steel delivers a better finished product and lower engineering cost than tubular when stamps are required.
Red Iron — 60’+ Spans and Commercial Applications
Red iron is the standard for 60’+ wide buildings and commercial applications requiring door openings wider than 20′. At 25’–30′ on center standard frame spacing, red iron delivers wide open bay configurations for larger facilities in the Franklin County area.
Read our full system comparison: Tubular Steel vs. Cold Formed Steel vs. Red Iron.
Franklin County Permitting — Pacific, MO
Franklin County is one of the more favorable permitting environments in the St. Louis metro for metal buildings. Generic Risk Category I engineering is typically accepted for qualifying agricultural and utility structures in unincorporated areas. Regularly occupied structures require site-specific engineering regardless of county.
- City of Pacific: 300 Hoven Dr, Pacific, MO 63069 | (636) 271-1503
- Franklin County: 400 E Locust St, Union, MO 63084 | (636) 583-6355
Nearby STL Metro Communities
Wildwood | Eureka | Defiance | House Springs | Festus | Troy | DeSoto | Farmington | All STL Metro Locations
Talk to a Project Advisor About Your Pacific Project
Amsteel Midwest | 1014 E Broadway St, Bolivar, MO 65613 | 417-218-8348 | sales@amsteelmidwest.com

