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5 Just FYI - if your broker doesn't have your cost basis info (like if you transferred securities from another broker or have older holdings), your 1099-B might show the proceeds but have blank or "UNKNOWN" cost basis fields. You'll need to track down that info yourself from old statements or your records. Made this mistake my first year and ended up amending my return which was a whole other headache! Make sure you review your 1099-B carefully before filing.
1 That's good to know! If my cost basis is missing, can I just use the price I remember paying or do I need actual documentation?
5 You really need documentation to support your cost basis if it's missing from your 1099-B. The IRS can question unsupported numbers during an audit. If you absolutely can't find records, you should make a good faith effort to reconstruct the cost basis using historical price data from when you purchased the securities. Some brokerages have historical price lookup tools, or you can use financial websites that show historical prices. Just make sure to keep notes on how you determined each cost basis amount in case you need to explain your methodology later. Documenting your research process shows you made a reasonable effort to comply with tax requirements.
9 Another important thing to know - if you made less than $10 in stock trading profits, you still have to report it! I thought there was some minimum threshold but got flagged by the IRS my first year because I ignored a tiny gain. The 1099-B reporting requirement doesn't have a minimum amount.
12 Really? That seems excessive. What about losses? Can those offset other income or do they only offset capital gains?
Not sure if this helps but I found another option - some public libraries offer free tax help sessions with volunteers who can answer questions like this. My local library partners with AARP Tax-Aide and they helped me with 1099-B questions last year. Worth checking if your library offers something similar!
If it's just a few simple stock trades, Reddit has a subreddit called r/tax where professionals answer questions for free. I've gotten good advice there before. Just be specific about your question and don't include personal info.
For what it's worth, I'm a rideshare driver and I accidentally left the commuting miles section blank last year. Nothing happened - no audit, no questions, nothing. The IRS is way too busy to audit people over something this minor, especially when the business miles make sense for your profession. Just make sure you have some kind of records backing up your business mileage in case they ever do ask questions. Even a basic log showing dates, destinations and odometer readings would be sufficient.
That's reassuring to hear! Did you keep detailed mileage logs or just estimates? I have a general record of client visits but didn't track the exact odometer readings for every trip.
I keep a simple spreadsheet with the date, starting odometer, ending odometer, and purpose of trip. Nothing fancy. I also save my gas receipts and maintenance records as backup evidence of how much I'm actually driving. Even if your records aren't perfect, having something is better than nothing. The IRS knows most people aren't keeping NASA-level precise records. If you can show you made a good faith effort to track your business miles and that the total claimed is reasonable for your line of work, you should be fine.
Just to add another perspective - the total mileage you reported actually matters more than leaving one category blank. If your business miles seem reasonable compared to your profession and income reported, you're likely fine. What tends to trigger flags is when someone claims an unusually high percentage of their total driving as business miles, like saying 95% of all driving was business-related. Your numbers (25996 business, 2999 personal) show about 90% business use, which is high but could be completely legitimate depending on your work.
This makes a lot of sense. I've always heard that claiming more than 80% business use is a red flag, but I guess it really depends on what you do for work. A traveling salesperson or consultant might legitimately use their car almost exclusively for business.
Don't forget that different states have different inheritance tax rules too! The federal stepped-up basis is just part of it. What state is this property in? Some states have inheritance taxes separate from federal taxes.
The property is in Arizona. I hadn't even thought about state-specific taxes, though. Do they handle the basis calculation differently there?
Arizona doesn't have a state inheritance tax or estate tax, so you're in luck there! You'll only need to worry about federal taxes on any gain above your stepped-up basis. Arizona follows the federal rules for stepped-up basis, so whatever fair market value you establish for federal tax purposes will also work for your Arizona state tax return. Just make sure you keep thorough documentation of how you determined the property's value at the time of inheritance.
Have you considered just using the sale price as the fair market value for your stepped-up basis? Since it sold within a couple years of your mom's passing and was apparently just sitting there undeveloped, you could argue the value at death wasn't significantly different?
That's terrible advice and could get OP audited. The IRS specifically looks for people claiming no gain on inherited property sales. The stepped-up basis has to be established at date of death, not date of sale. If there was significant appreciation between those dates (like a developer suddenly becoming interested), claiming no gain would raise red flags.
Nia Wilson
Don't forget about state taxes! Your K-1 loss will likely reduce your state taxable income too. Depending on your state's tax rate, this could add another significant savings on top of the federal tax reduction. In my case (California), my tiny partnership loss was actually worth more on my state return than federal because of our high state rates. Also, if you do any business travel related to checking on the property or meeting with your brother about business decisions, keep track of those expenses. They can be deductible as partnership expenses on next year's K-1 if properly documented.
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Mateo Sanchez
ā¢Great point about state taxes. Do K-1 losses always work the same way for state taxes as they do for federal? I'm in Virginia and sometimes our state rules are different than federal.
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Nia Wilson
ā¢State tax treatment generally follows federal rules, but there can definitely be differences. Virginia typically conforms to federal tax law for pass-through entities like partnerships, so your K-1 loss should flow through to your state return similarly. However, some states have their own limitations or adjustments for passive losses. The best approach is to check your specific state's tax department website or consult with a tax professional familiar with your state. Even with potential variations, in most cases you'll still see some benefit at the state level from reporting your K-1 loss.
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Aisha Mahmood
I made a huge mistake with my K-1 losses two years ago! I didn't think it was "worth the hassle" so I just ignored it. Got a lovely CP2000 notice from the IRS saying I owed penalties and interest because they had received the partnership return showing my tax ID but I never reported it on my personal return. Even if the loss doesn't save you much in taxes, you HAVE to report it. The IRS computers automatically match K-1s to your SSN/TIN. When they see a K-1 was issued to you but not reported, it triggers a mismatch that will eventually get flagged for review.
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Ethan Clark
ā¢How much was the penalty? I'm wondering because I might have done the same thing last year... thought my K-1 loss was so small it wouldn't matter š¬
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