A Casper service yard may need room for long parts, while a smaller maintenance store may work better in a 20ft unit. Match the container to your storage list and delivery approach before comparing prices. For an office or workshop conversion, define the finished equipment and check the city or county review for the actual parcel.
Illustrative container scene.
Local business uses
Energy services, manufacturing and construction storage
Review authority
City of Casper; Natrona County for unincorporated parcels
Delivery example ZIP
82601; the market label is Denver, CO
Choose storage around your Casper operation
Compare the footprint, actual interior and access to the stored items. The extra capacity of a 40ft unit helps only if the delivery and daily loading can fit your site.
Illustrative container scene.
10ft compact storage
For a compact tool or maintenance store beside an existing operation. Confirm the actual compact unit's construction, condition and usable interior.
Nominal exterior L × W × H
10ft × 8ft × 8ft 6in
Interior example L × W × H
9ft 3in × 7ft 8in × 7ft 9in
Example dimensions for one published 10ft mobile-storage model; dimensions vary by model. Confirm the offered unit's construction and usable interior.
Describe the actual finished unit's condition; choices are for comparison.
Illustrative image. Exterior reference dimensions; the person provides a sense of size.
20ft standard
For service tools, repair parts or smaller construction material batches. Plan end-door access and a workable loading area rather than filling the pad from edge to edge.
Nominal exterior L × W × H
20ft × 8ft × 8ft 6in
Interior example L × W × H
About 19ft 4¼in × 7ft 8⅝in × 7ft 10¼in
Representative dimensions; confirm the offered model and any alterations.
Describe the actual finished unit's condition; choices are for comparison.
For taller equipment or vertical shelving in a parts store. Extra shell height does not establish a finished office height or a clear opening for every item.
Nominal exterior L × W × H
40ft × 8ft × 9ft 6in
Interior example L × W × H
About 39ft 5⅝in × 7ft 8in × 8ft 10¼in
Adds height to the nominal 40ft × 8ft footprint. Confirm the offered model and loaded vehicle.
Describe the actual finished unit's condition; choices are for comparison.
Dimensions are representative model examples, not measurements of a unit for sale. Confirm the offered unit's finished interior, door opening, condition and loading limits. Delivery examples below apply to the stated 40ft used model, not every card.
Compare finished modifications
Choose modifications for the way the Casper operation will use the container. Require a complete office specification or an installed access system rather than pricing an empty shell as a finished facility.
For coordinating an energy-service or construction project, specify a finished office with the rooms, insulation, HVAC and electrical scope you need. Check occupancy and the local review before ordering.
Finished layout and fit-out required; exterior shell dimensions do not establish desk space.
For a repair-parts or equipment store with repeated loading, compare the installed roll-up opening, guides, headroom, threshold and approach with the items you handle.
Door model, guides/curtain/headroom/threshold and finished clear opening required; no generic opening size.
The estimated delivery budget for ZIP 82601 separates a used 40ft container’s tilt-bed delivery from its purchase price. The public ZIP reference was checked October 9, 2026; confirm the actual address and access in the quote.
Destination ZIP
Estimated delivery budget
Sample scope
Casper 82601
$1,460.00
One used 40ft WWT unit; tilt-bed ground placement from Denver, CO market; ZIP-only sample.
Mills 82644
$1,460.00
One used 40ft WWT unit; tilt-bed ground placement from Denver, CO market; ZIP-only sample.
Glenrock 82637
$1,360.00
One used 40ft WWT unit; tilt-bed ground placement from Denver, CO market; ZIP-only sample.
Decisions to make before ordering
Resolve the placement and use before reserving a container or arranging transport.
Keep city and county approvals separate
The City of Casper reviews city development; Natrona County provides separate guidance for unincorporated areas. Identify the parcel before using either checklist.
Design the store around parts handling
For service and fabrication work, list long or tall items, lifting equipment, shelving and traffic outside the doors. Compare end-door storage with a specified access conversion.
Include the site plan early
For a county property, prepare the proposed location, setbacks, existing structures, driveway and utility information. This also gives the delivery contractor a clearer approach to review.
Check delivery beyond the city ZIP
Mills, Evansville, Alcova and the communities toward Glenrock do not share one universal rate. A ZIP estimate does not confirm a rural driveway, grade or final placement point.
Keep the container specification, local approval and delivery access in the same request so each part can be checked for your parcel.
Check permits, zoning and placement before ordering
Official rules checked .
City of Casper
City zoning sets the placement questions
Casper Planning and Zoning handles zoning verification, setbacks, permitted and conditional uses, and development review. Describe the storage or office use and proposed pad location so staff can identify the applicable review.
Casper Planning and Zoning
City of Casper
Review the finished structure and equipment
Casper's Building Inspection Division asks buyers to discuss permitting and inspections for construction or alterations. A container office's structural work, electrical installation, plumbing and HVAC need a defined specification for that review.
Casper Building Inspection Division
Unincorporated Natrona County
Outside city limits: Natrona County
The county's building FAQ covers structures in unincorporated areas and recommends discussing the project before construction. Verify the zoning and permit requirements for the actual county parcel rather than applying the city's process.
Natrona County building and inspection FAQ
Natrona County-administered development
Prepare the county site plan
Natrona County's site-plan checklist includes driveways, existing and proposed structures, setbacks and relevant utility and septic information. Show the container and its access area; district requirements and additional application details vary by parcel.
Natrona County site-plan requirements
This guidance applies to the named jurisdictions. Confirm current amendments, parcel classification and approvals with the responsible office before purchase or placement.
Storage and work-area choices for Casper businesses
Start with what the operation needs to store or do, then specify access, interior space and any finished conversion.
Natrona County
Energy-service operations
For maintenance tools and repair parts, specify the item dimensions, lifting method and loading area before comparing a long store or an access conversion.
For components or consumables, plan shelving and material handling around the actual interior and door opening. Use a high cube only when its added height solves a measured need.
Container options: 40ft dry storage, 40ft high cube
Natrona County; City of Casper project context
Construction and trades
For tools, job materials and project administration, separate the storage unit from any occupied office and include the finished conversion in the local review.
These are nearby municipal and community destinations, including locations toward Glenrock and Douglas. Several share ZIPs: the calculator labels 82601 Casper and 82636 Evansville; 82637 is shared by Glenrock and Rolling Hills. Prices apply to the sampled ZIP, not every address or to a separate town-wide tariff.
Tilt-bed ground placement from Denver, CO market; ZIP sample. Actual address and access require confirmation. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Denver, CO market; ZIP sample. Actual address and access require confirmation. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Denver, CO market; ZIP sample. Shared ZIP: calculator city is Casper; confirm the Bar Nunn address. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Denver, CO market; ZIP sample. Community sample using the regional Evansville ZIP; exact address required. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Salt Lake City, UT market; ZIP sample. Actual address and access require confirmation. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Denver, CO market; ZIP sample. Actual address and access require confirmation. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Denver, CO market; ZIP sample. Shared ZIP: calculator city is Glenrock; confirm the Rolling Hills address. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Tilt-bed ground placement from Denver, CO market; ZIP sample. Actual address and access require confirmation. Purchase, tax and site-work costs outside the delivery budget. One used 40ft WWT container; delivery only Checked
Questions before choosing
Do Casper rules also cover Mills, Evansville or a rural Natrona parcel?
Identify the jurisdiction for the site. The Casper guidance applies inside the city; neighboring municipalities and unincorporated county parcels need their own review.
Which office should I ask about container placement in Casper?
Use City Planning and Zoning for parcel classification, setbacks and the proposed use, and the Building Inspection Division for the finished structure and equipment. Include whether the unit is storage or occupied space.
What should I put on a Natrona County site plan?
The county checklist calls for access, existing and proposed structures, setbacks and relevant utility and septic details. Show the container location and ask whether the particular application needs additional information.
Is a 40ft high cube better for energy-service parts?
Choose it when a measured height need justifies the extra headroom. For long parts, compare length and loading access as well. Confirm the offered interior and door opening rather than relying on the nominal size.
Why do Bar Nunn and Casper use the same ZIP example?
Bar Nunn's municipal address uses 82601, and the delivery calculator labels that ZIP Casper. The figure is a ZIP sample, not a separate town tariff or confirmation that every Bar Nunn parcel is accessible.
What does the Casper delivery estimate include?
It is an estimated delivery budget for one used 40ft wind-and-watertight unit with tilt-bed service from the Denver market. Confirm the actual address, unit, unloading method, tax and added services in a written quote.
Can I order a Casper office conversion as just an empty container?
Specify the finished rooms, insulation, HVAC, electrical equipment and intended occupancy. Price the shell, conversion, delivery and site work separately, and check the local review before ordering.