20ft x 8ft Custom Shipping Container Conversion - Portable Building for Sale
This custom 20ft x 8ft container is priced, graded, and ready to ship today. You get the price on the page, the condition stated plainly, and delivery arranged for you. At $6,245, delivery to your site is already included in that figure.
Condition and specification are recorded against this unit before listing and verified again before dispatch, so nothing on this page is a generic description of a product line.
Specifications
| Type | Anti-vandal steel office cabin |
|---|---|
| Construction | Corten/anti-vandal steel shell, insulated panels |
| Access | Personnel door with security lock; window(s) where fitted |
| Interior | Lined and insulated walls and ceiling, hard-wearing floor |
| Electrics | Wired for lighting and power points (fittings confirmed per unit) |
| Finish | Factory-painted exterior, ready to site |
| External Dimensions | 20ft L x 8ft W x 8ft 6in H |
| Internal Dimensions | 19ft 4in L x 7ft 8in W x 7ft 10in H |
| Storage Capacity | about 1,170 cu ft |
| Max Payload | roughly 47,900 lb |
| Tare Weight | about 4,850 lb |
| Delivery | Free to all 50 US states, placement included |
| SKU | FD7BCDB2 |
Key Features
- Electrical rough-in: interior lighting and outlets wired to standard, ready for a local hookup.
- Climate-ready finish: interior surfaces chosen to wipe down and hold up to daily use.
- Relocatable footprint: the whole structure can be lifted and moved to the next site when the job changes.
- Level-set placement: delivered and set on your prepared pad, ready to connect.
- Steel shell construction: a container-based structure that resists wind, pests, and impact far better than stick framing.
- Insulated wall and ceiling panels: insulation that keeps interior temperatures workable through summer and winter.
Where This Building Earns Its Keep
A container office at this size is bought far more often for work than for looks. The jobs it handles most often:
- Sites where a conventional build is too slow or too costly.
- Facilities that need to relocate when the project moves.
- Municipal, park, and campground amenity buildings.
- Jobsite offices that need to be secure overnight.
Condition and What You Get
What ships is the unit described on this page: no substitutions, no bait listing that turns into a different grade on delivery. If anything about the unit changes before dispatch we contact you first and you can cancel for a full refund. You can compare it against the rest of our container offices at any time.
How to Choose the Right Building
Start with how the space will be used daily, then work backward to size, insulation, and hookups. A unit that is slightly larger than today's need almost always outlasts one sized exactly to it, and relocatable structures hold value when the site changes. Not sure this exact custom 20ft x 8ft container suits your job? Call (509) 575-1198 and we will tell you honestly, even when the answer is a smaller or cheaper unit. For background, read container shed and workshop guide and container dimensions guide.
Delivery, Payment and Returns
AnchorBox Containers delivers free to all 50 US states, with placement included and the freight built into the price you see. Pay by credit/debit card or wire transfer. If a unit arrives damaged, defective, or not as described, you get a repair, replacement, or full refund with $0 restocking and return freight on us. Full terms sit on our shipping policy and returns policy, and you can find state delivery notes on our service areas index. For technical background see the OSHA general industry standards.
Compare Related Units
Buyers looking at this container office usually weigh it against these too:
- Modified 20FT container office with Glass door & AC at $5,549
- 21ft x 8ft Custom Office Cabin - Refurbished Portable Building with A/C & Glazed Door at $6,685
- Converted 40ft Shipping Container | Open Plan Office | Portable Container Building at $7,849
- 21ft x 8ft Office / Canteen Cabin - Refurbished Anti-Vandal Portable Building at $6,895
Frequently Asked Questions
What are the exact dimensions?
External dimensions run 20ft L x 8ft W x 8ft 6in H, with usable interior space of 19ft 4in L x 7ft 8in W x 7ft 10in H. That works out to about 1,170 cu ft of storage volume. Our container dimensions guide compares every size side by side.
Do I need a permit or foundation?
Most locations treat these as permanent or semi-permanent structures, which means a permit, a prepared pad or pier foundation, and a local hookup for utilities. Rules vary widely by jurisdiction, so confirm with your building department before ordering. We handle delivery and placement on your prepared site.
How much does this custom 20ft x 8ft container cost delivered?
The listed price is $6,245 and that figure already includes free delivery to all 50 US states. There is no separate freight charge, fuel surcharge, or placement fee added at checkout.
How long does delivery take?
Delivery is free to all 50 states, with placement included. Current processing and transit windows are listed on our shipping policy page, and we confirm your exact delivery date with you before dispatch.
What does my site need for delivery?
Plan on a clear straight path roughly 100 feet long and 12 feet wide, about 14 feet of overhead clearance, and firm level ground that will hold a loaded truck. Tight sites can be handled by crane placement instead, and we confirm access with you before dispatch. Full detail is on our delivery page.
How do I pay for it?
You can pay by credit/debit card or wire transfer. Wire transfer suits larger orders; card payments are processed securely, and no card details are stored on this website. Full payment is required before dispatch, and you can cancel free of charge any time before the unit leaves.
What if it arrives damaged or is not what was described?
Report transit damage within 48 hours of delivery with photos, or a defect or not-as-described issue within 30 days. We repair, replace, or refund in full. Restocking is $0, we pay return freight, and approved refunds are issued in 5 to 10 business days. See the returns policy.

























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