Selling a House With an Unpermitted Addition in Texas

Enclosed patios, converted garages, added bedrooms, a casita out back. Unpermitted work is extremely common in Texas housing, particularly in older neighbourhoods and on properties that have been in one family a long time. It rarely bothers anyone until the house is sold.

Why does unpermitted work block a sale?

Because of the appraisal, not the building department. An appraiser generally cannot give value to square footage that was not permitted and does not appear in the county records. The house appraises as though the addition is not there, the appraised value comes in under the contract price, and the lender will only lend against the lower figure.

The buyer then has to find the difference in cash or walk. Most walk.

Does the county already know?

Look at the appraisal district record for the property and compare the recorded square footage against what is actually there. If the record shows 1,400 square feet and you are selling 1,850, the difference is almost certainly unpermitted — and anyone doing diligence can see the same discrepancy in seconds.

Occasionally the opposite is true and the work was permitted but never recorded properly, which is a paperwork fix rather than a construction one. Worth checking before assuming.

Can you permit it after the fact?

Sometimes, through a retroactive permit process, and the cost depends entirely on what the inspector finds. Work that meets current code may need little more than fees and an inspection. Work that does not — inadequate framing, missing egress, electrical run by someone's cousin — has to be opened up and corrected.

The risk is that you cannot know which case you are in until you invite the inspection. Some owners open a door they cannot close.

Should you just remove it?

Occasionally that is cheapest, particularly for a small enclosure with no structural entanglement. More often the addition is load-bearing, shares systems with the house, or removing it leaves a worse problem than it solves. Get a builder's view before assuming demolition is the simple option.

What do you have to disclose?

What you know. The Texas seller's disclosure asks about additions or alterations made without necessary permits. If you did the work, you know. If you bought it that way and were told, you know. Saying nothing where you do know is the version of this that produces a lawsuit rather than a discount.

Does unpermitted work affect your property taxes?

Usually in your favour, briefly, and it is worth understanding before you regularise it. If the appraisal district has never recorded the addition, you have been taxed on the smaller recorded square footage. Permitting the work retroactively puts it on the record, and the assessed value — and the tax bill — generally follows.

That is not a reason to leave it unpermitted, but it does mean the true cost of permitting is the inspection and correction work plus a permanently higher annual tax bill. Sellers weighing permit-versus-sell often miss the second half of that.

What does a cash buyer do differently?

Nothing clever — they simply are not constrained by an appraisal. A cash buyer values the house on what it is and what it will take to regularise, and can absorb a permitting process on their own timeline because there is no lender waiting. That is the entire reason unpermitted houses so often end up selling for cash.

We buy houses with unpermitted work across Texas. If you need cash home buyers in Dallas who will not send an appraiser, or you want to understand selling a house with code violations, the appraisal district record is where to start.

House Buyers Texas buys houses; we are not attorneys and this is not legal or tax advice. Texas probate turns on facts specific to your situation, and a probate attorney or CPA is worth the consultation before you commit to a route.