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Dmitry Petrov

Can I Take Section 179 Deduction for 16x40 Portable Building for My Woodworking Business?

I run a full-time woodworking business and I'm looking to purchase a 16'x40' portable building that would be used 100% for my business operations. I'm trying to figure out if I can take the Section 179 deduction for the entire cost on my 2025 taxes, or if I have to depreciate it over 30 years like a permanent structure. From what I've researched so far, permanent structures don't qualify for Section 179 and must be depreciated over 30 years. But since this is a portable building that can be moved, I'm wondering if that changes things and makes it eligible for the full Section 179 deduction this year. I've spent hours trying to find a clear answer on the IRS website and various tax publications, but everything seems to focus on permanent structures or equipment - not much about portable buildings specifically. The building will cost around $24,000 and being able to deduct it all at once would really help my business cash flow this year. Has anyone dealt with this specific situation before? Any information or references to IRS publications that might clarify this would be super helpful. Thanks!

Ava Williams

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You're asking a great question about Section 179 and portable buildings. The determining factor here is whether the structure is considered "personal property" or "real property" for tax purposes. Portable buildings that aren't permanently affixed to land are typically classified as personal property, which would make them eligible for Section 179 deduction. The key factors the IRS looks at include: 1) Is it permanently attached to a foundation? 2) Does it have permanent utility connections? 3) Is it designed to remain in place indefinitely? If your 16'x40' portable building is truly portable (can be moved without significant damage), doesn't have a permanent foundation, and is used 100% for your woodworking business, you'll likely qualify for the Section 179 deduction. For reference, check IRS Publication 946 "How to Depreciate Property" which covers Section 179 property. Also, Revenue Procedure 2019-08 provides guidance on qualified improvement property and Section 179 treatment.

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Dmitry Petrov

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Thanks for the detailed response! Just to clarify - does it matter if I put it on concrete blocks or some kind of temporary foundation? It will have electrical service run to it, but no plumbing or gas lines. Also, would getting it from a portable building dealer vs a construction company make any difference in how the IRS views it?

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Ava Williams

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Placing it on concrete blocks is actually good for your Section 179 case since that's considered a temporary foundation rather than a permanent one. Having electrical service alone doesn't automatically make it real property - many pieces of equipment require electricity. The lack of plumbing and gas further supports the "personal property" classification. Where you purchase it doesn't matter to the IRS, but getting it from a portable building dealer can help support your position if ever questioned, since their products are marketed and designed as movable structures. Just be sure to keep all documentation showing it's marketed as a portable/movable building.

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Miguel Castro

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After dealing with almost the exact same situation with my landscaping business, I found a tool that made this decision way easier. I used https://taxr.ai to analyze my purchase documents and business use case for my portable shed. The tool determined that my 14x32 portable structure qualified as personal property eligible for Section 179 since it wasn't permanently affixed to land and was used 100% for business. Their system walked me through all the requirements and helped me understand exactly how to document everything properly. It analyzed similar tax court cases where portable structures were successfully claimed under Section 179. The best part was getting a detailed report I could keep with my tax records in case of an audit.

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Does taxr.ai work for other business property questions too? I'm trying to figure out if I can Section 179 a walk-in cooler for my catering business that's "built-in" but technically could be disassembled and moved.

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I'm skeptical about these tax tools. How do you know it's giving accurate info? Did you double-check with a CPA? Seems risky to rely on software for something that could trigger an audit.

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Miguel Castro

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It definitely works for other business property questions. I used it again to determine depreciation options for our company vehicles. The system will analyze your specific situation for walk-in coolers - those can be tricky because they're in a gray area, but the tool specifically addresses "gray area" assets with relevant case law. As for accuracy, I did actually have my tax preparer review the report it generated, and she was impressed with the detail. The recommendations are backed by specific IRS publications, tax court cases, and regulations that it cites. It's not making up answers - it's showing you the actual tax guidelines that apply to your specific situation.

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LunarEclipse

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For anyone struggling to get clear answers from the IRS about Section 179 for portable structures, I finally found a solution after weeks of frustration. I used https://claimyr.com to get through to an actual IRS tax specialist who confirmed my 24x36 portable workshop qualified for Section 179. I'd spent hours on hold with the IRS business tax line with no luck. After using Claimyr, I got a call back from the IRS within 45 minutes. The agent reviewed my specific situation and confirmed that because my building was on skids, had no permanent foundation, and was 100% business use, it qualified as personal property eligible for Section 179. She even provided the specific section of the Internal Revenue Manual they reference for these determinations. You can see a demo of how their system works here: https://youtu.be/_kiP6q8DX5c - it basically holds your place in the IRS phone queue so you don't have to sit on hold forever.

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Dmitry Petrov

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How exactly does this work? Do they just call the same IRS number I would call? And do they record the conversation or provide any documentation of what the IRS tells you?

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Yara Khalil

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LunarEclipse

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Yara Khalil

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I need to eat my words about Claimyr. After posting that skeptical comment, I decided to try it myself because I've been trying to reach the IRS for 3 weeks about a business tax notice that made no sense. Using the service, I got a call back connecting me to an IRS agent in about 30 minutes. I was honestly shocked. The agent was able to pull up my business account and confirm that the notice I received was actually sent in error due to a processing delay with my quarterly filing. She put notes in my account and told me to disregard the notice - no further action needed. This saved me from sending in documentation that wasn't actually needed and potentially creating more confusion. If I hadn't gotten through to a real person, I would have wasted hours preparing a response to an erroneous notice. For anyone needing to actually speak with the IRS about a Section 179 question like the original poster, this service is definitely worth it.

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Keisha Brown

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I've been a tax preparer for 15 years, and portable buildings are definitely in a gray area for Section 179. Here's what I tell my clients: 1) Document EVERYTHING about the portable nature - take photos showing it's not on a permanent foundation, keep all marketing materials describing it as "portable" 2) If it has a VIN or serial number, that strongly supports personal property treatment 3) Have a written business use policy showing it's 100% for business 4) If you ever sell the property with the building, the sale contract should list the building separately as personal property In audits I've handled, these documentation steps have successfully supported Section 179 treatment for portable structures. But remember, the burden of proof is always on you as the taxpayer.

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Does the size of the portable building matter? I'm looking at something smaller (8x12) for my business. Would that have a better chance of qualifying for Section 179 since it's obviously more "portable" than larger structures?

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Keisha Brown

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Size can certainly help strengthen your case. An 8x12 structure is clearly more portable than larger buildings, making it easier to argue it's personal property rather than a real estate improvement. Smaller buildings are also more likely to be sold in the marketplace as movable units rather than permanent structures. However, the fundamental criteria remain the same regardless of size - lack of permanent foundation, designed to be relocated, not permanently affixed to land, etc. Even large portable buildings can qualify if they meet these criteria. The key is always proper documentation of the portable nature and 100% business use.

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Amina Toure

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Jumping in late but wanted to share my experience - I section 179'd a 12x30 portable workshop last year and had no issues. My accountant said the key was that it came from a portable building dealer, had a serial number, and was sitting on blocks rather than a permanent foundation. We documented everything with photos and kept all the marketing materials showing it was designed to be moved. Good luck with your woodworking business!

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Dmitry Petrov

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Did you have to file any special forms beyond the regular Section 179 form? And did you classify it as "furniture and equipment" or something else in your tax software?

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Amina Toure

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No special forms were needed beyond Form 4562 (Depreciation and Amortization) where you claim Section 179 deductions. I listed it as "Portable Workshop Structure" in the property description. In terms of classification, my accountant put it under "Machinery and Equipment" rather than anything related to real estate or buildings. She said this classification further reinforces that it's personal property eligible for Section 179 rather than a building improvement that would need to be depreciated over a longer period.

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