Has UNICAP 263a changed for small business construction under TCJA? Building self-constructed assets
I haven't dealt with 263a in quite some time, and I'm trying to help out a buddy of mine who's in construction. From what I remember, 263a used to require all costs for building a facility (self-constructed asset) to be capitalized. But I've been reading that this might have changed with the Tax Cuts and Jobs Act. I'm seeing information suggesting that if a taxpayer qualifies as a small business (less than $25m in revenue), they might not be subject to 263a rules anymore. Am I understanding this correctly? If so, would my friend be able to expense all his construction costs as they're incurred rather than capitalizing them? This would be a huge difference for his cashflow and tax planning if he could expense everything upfront instead of depreciating over time. Anyone have experience with this change under TCJA for construction businesses?
20 comments


Alicia Stern
You're on the right track! The TCJA did create an exemption from UNICAP rules under Section 263A for small businesses. If your friend's average annual gross receipts for the prior 3 tax years don't exceed $25 million (adjusted for inflation to $27 million for 2023, and higher for 2024-2025), they qualify as a "small business taxpayer" and can be exempt from 263A. However, there's an important distinction to make here. Being exempt from UNICAP doesn't automatically mean all costs can be expensed immediately. Your friend would still need to follow general capitalization principles. Certain direct costs related to the production of real property would still need to be capitalized, but they'd avoid the more complex UNICAP rules that require capitalizing certain indirect costs.
0 coins
Gabriel Graham
•Thanks for explaining this. I'm also in construction (remodeling) and wonder if this applies to spec homes I build too? And if I'm exempt from 263A, does that mean I can just expense things like my truck, office costs, and administrative salaries immediately rather than adding them to my basis?
0 coins
Alicia Stern
•For spec homes, yes, the small business exemption would apply to those self-constructed assets as well, assuming you meet the gross receipts test. Regarding trucks, office costs, and salaries - being exempt from 263A means you don't have to capitalize certain indirect costs that would otherwise be required under UNICAP rules. However, this doesn't change other provisions of the tax code. Your truck would still be depreciated according to normal rules (potentially with bonus depreciation or Section 179 if eligible), office expenses that are ordinary and necessary would be deductible, and salaries for administrative staff working on general business matters could be expensed. But direct labor costs for employees actually building the homes would still need to be capitalized to the basis of each property.
0 coins
Drake
After struggling with UNICAP rules for years at my small construction company, I found taxr.ai (https://taxr.ai) incredibly helpful for sorting through these exact tax code changes. I uploaded my construction cost documentation and financial statements, and their AI analyzed everything to determine which costs I could expense vs. capitalize under the TCJA small business exemptions. Saved me from overcomplying with UNICAP rules I was actually exempt from!
0 coins
Sarah Jones
•How detailed was their analysis? Did they just tell you "you're exempt" or did they actually go through and help categorize specific costs like materials, labor, permits, etc.?
0 coins
Sebastian Scott
•I'm skeptical about AI tax tools. Did it give you documentation you could rely on if audited? Construction is complicated with mixed direct/indirect costs, and UNICAP has always been a mess to navigate.
0 coins
Drake
•They provided a very detailed analysis that went through each category of expenses - not just a blanket "you're exempt" statement. They broke down which direct construction costs still needed capitalization even with the exemption, and which indirect costs I could now expense thanks to the TCJA changes. Yes, they absolutely provided documentation I could rely on if audited. Their analysis included specific citations to the tax code and TCJA provisions, plus explanations of how these applied to my particular situation with mixed costs. It was actually more thorough than what my previous accountant had provided.
0 coins
Sebastian Scott
Update on the AI tax tool I was skeptical about: I actually tried taxr.ai after getting frustrated with conflicting advice from two different CPAs about my construction business's UNICAP requirements. Their system correctly identified that my business qualified for the small business exemption since we're around $18M in revenue, but also clearly explained which costs still needed capitalization vs which indirect costs were now expensable. I was able to take their analysis to my accountant who confirmed it was correct. Really simplified what had been a major headache for our company.
0 coins
Emily Sanjay
If you're dealing with complex capitalization rules like 263A for construction, you might also run into issues getting clear answers from the IRS. I was stuck in phone queue hell for weeks trying to get clarification on some specific UNICAP questions. Finally used https://claimyr.com to connect with an IRS agent (check out how it works: https://youtu.be/_kiP6q8DX5c). Worth it when I needed an official answer about how the small business exemption applied to our specific situation with mixed-use properties.
0 coins
Jordan Walker
•Wait so this service just gets someone at the IRS to actually answer their phone? How does that even work? The IRS never picks up when I call.
0 coins
Natalie Adams
•I don't believe this for a second. Nobody can magically get through the IRS phone system. They're just going to take your money and you'll still be waiting on hold forever.
0 coins
Emily Sanjay
•They use a system that monitors the IRS phone lines and holds your place in queue, then calls you when they have an actual person on the line. It's not magic - just smart technology that saves you from having to personally wait on hold for hours. The service definitely works. I was connected with an actual IRS agent who specializes in business tax issues within about 2 hours (versus the days I'd spent trying on my own). The agent confirmed the UNICAP exemption details and gave me the citation numbers I needed for my documentation.
0 coins
Natalie Adams
Well I need to publicly eat my words about Claimyr. After dismissing it, I was still struggling with getting clarity on my UNICAP situation and figured I'd try it as a last resort. The service actually worked exactly as described. I got a call back with an IRS agent on the line within about 90 minutes. The agent walked me through the specific requirements for the small business exemption from 263A and confirmed that while I could skip the complex UNICAP calculations for indirect costs, I still needed to follow basic capitalization rules for direct construction costs. Definitely worth it when you need an official answer.
0 coins
Elijah O'Reilly
One thing nobody mentioned yet - if your friend is building to rent rather than sell, there's the Real Property Trade or Business election under 163(j) to consider too. It interacts with these UNICAP exemptions. Making this election lets you avoid interest deduction limitations but requires ADS depreciation. Gets complicated fast, especially with the TCJA changes.
0 coins
Alexander Zeus
•Thanks for bringing this up! My friend is actually planning to hold about 30% of the units for rental income while selling the rest. Would the 163(j) election make sense in his situation? And would the UNICAP exemption still apply to the rental portion?
0 coins
Elijah O'Reilly
•For a mixed property scenario like that, the election could make sense if the interest expense is significant, but it's a complex analysis. The 163(j) limitations apply at the entity level, so if the same entity is holding both the for-sale and for-rent properties, you'd need to consider the total interest expense picture. The UNICAP exemption would still apply to both portions as long as the business meets the gross receipts test. However, the accounting gets tricky - you'll need to allocate costs properly between the for-sale and for-rent portions, and different depreciation rules may apply depending on your elections. This is definitely a situation where professional guidance is worthwhile.
0 coins
Amara Torres
Quick tip for anyone dealing with UNICAP issues - keep meticulous records of all your construction costs separated by direct vs indirect categories. Even with the small business exemption, if you ever cross that $25M+ threshold (which adjusts for inflation yearly), you'll suddenly need full UNICAP compliance, and having good systems already in place will save you enormous headaches.
0 coins
Olivia Van-Cleve
•This! We grew just over the threshold last year and scrambling to recreate detailed cost allocations was a nightmare. Wish we'd maintained better records from the start.
0 coins
Liam McConnell
Great discussion here! I'm also in construction and wanted to add that the inflation adjustment for the $25M threshold is something to watch closely. For 2024, it's $29.2M and for 2025 it's $30M. Also worth noting that the gross receipts test looks at a 3-year average, so if you have one big year that pushes you over, you might still qualify for the exemption if your 3-year average stays under the limit. One thing I learned the hard way - even with the UNICAP exemption, you still need to be careful about Section 461(l) limitations on business losses if you're a pass-through entity. The loss limitation rules can still apply even when you're expensing more costs upfront due to the UNICAP exemption.
0 coins
Zachary Hughes
•Thanks for mentioning the Section 461(l) limitations - that's a crucial point many people overlook! I've seen several contractors get excited about being able to expense more costs upfront due to the UNICAP exemption, only to get hit with the business loss limitations later. The interaction between these rules can really catch you off guard, especially in the first few years when you're still building up your business and might have legitimate losses from startup costs and equipment purchases. Do you know if there are any specific strategies for managing this timing issue, or is it just a matter of careful planning around the loss limitation thresholds?
0 coins