The unpermitted work nobody thought to file for
Long Island housing stock has been extended, finished and converted for generations, and permits were not always the habit. A good share of the square footage people live in today was added quietly over a few weekends.
That is why this comes up so often at the closing table. The house you have been living in and the house on file at the town are two different houses, and the gap between them is what unpermitted work actually means.
Who we call when the permit file is complicated
This is a paperwork problem more than a building problem, and paperwork problems reward people who have done them before.
An expeditor knows what the department wants and in what order. An architect can draw the as-built set. A surveyor can show where the structure actually sits. We have used all three across Nassau and Suffolk for years and we are glad to put you in touch, even if you decide to keep the Selden house and see the permit process through yourself.
What this looks like in Selden specifically
Selden is roughly 21,262 people in Suffolk County, ZIP 11784, and the housing stock is mostly ranch, hi-ranch, cape cod. Around Middle Country Road and Boyle Road, most of it is old enough that the mechanicals are on their second or third life. We have been buying across Suffolk County for 15+ years. We know what the Middle Country Central School District does to a resale price, which blocks still have oil tanks in the ground, and what a house like yours is actually worth here.
The median is up 9.86% year over year as of 2026-10. A firming market gives you a little room for error on price, which is worth more than it sounds when the house is not in showable condition. At a $637,173 median, Selden is a market where buyers expect to do some work. That helps a seller with a dated house and hurts one with a genuinely broken one, because the pool that will take on a project is not the same pool that will take on a gut. The median house here goes under contract in about 23 days, which is quick for Long Island. It is also a figure that only applies to property in showable condition.
What a municipal search turns up about unpermitted work on a Selden house
The awkward part is how late it surfaces. Everything feels fine until a search comes back and the deck, the basement or the extra bathroom is not on file anywhere and no permit was ever pulled.
By then there is a signed contract, a mortgage commitment with conditions attached, and a buyer who has started packing. Renegotiation follows, then often a collapse, and a Selden house goes back on the market with more days on it and a story attached.
What your Selden building department wants before it issues a permit
Getting work approved after the fact is possible sometimes and impossible other times, and which one you are in turns on details nobody can judge from the outside. Setbacks, lot coverage, ceiling heights, egress, how current code differs from the code in force when it was built.
Your town's building department decides what can be permitted now, and an expeditor will know how that department tends to handle it. What we can tell you is that the process runs slower than a sale does, which is the practical problem.
What the two paths cost in Selden
These are the two routes open to you with a house with unpermitted work, priced against what Selden houses actually sell for.
Work it against Selden's own numbers. The median sale here is $637,173. A 5% commission on that is $31,859, and seller closing costs of about 2% add roughly $12,743. Those are costs we can cover on our side. That is $44,602 gone before anyone counts the repairs it took to get the house listable.
There are two waits in a listed sale and people usually only count the first. In Selden the median house takes about 23 days to go from listed to a signed contract. Then it waits again, typically 45 to 60 days, while the buyer's lender orders an appraisal and underwrites the loan. Call it 68 to 83 days from sign to keys, assuming nothing goes wrong.
The part worth understanding is what a signed contract actually guarantees, which is less than most sellers assume. A retail buyer with a mortgage contingency can walk away right up to the end. If they do not qualify, if the appraisal comes in under the price, if they change their mind and let the financing lapse. A share of deals die exactly there, after months of waiting, and the house goes back on the market with time on it. We are not borrowing anything, so there is no lender to satisfy, no appraisal to come in low and no contingency to exercise.
| Listing with an agent | Selling to us | |
|---|---|---|
| Sale price | $637,173 (Selden median) | Our written offer |
| Commission | −$31,859 | None |
| Seller closing costs | −$12,743 | We can cover them |
| Repairs before listing | Out of pocket | None |
| Cleanout | Yours | Ours |
| Showings | Until it sells | One visit |
| Listed to signed contract | 23 days (Selden median, once listable) | 24 hours to a written offer |
| Contract to closing | 45 to 60 days (waiting on the buyer's lender) | A date you choose |
| Total wait | 68 to 83 days if nothing falls through | Yours to set |
| Can the buyer walk? | Yes (mortgage contingency runs to the end) | No financing to fall through |
| Before repairs and carrying | $592,571 | The number we put in writing |
The listing column assumes a 5% commission and seller closing costs of about 2%. Both vary. We have not subtracted repairs or the cost of carrying the house while it sits, because those depend on the property. A house in good condition listed with a good agent can absolutely beat a cash offer, and we will say so if that is your situation.
Legalizing the unpermitted work first, or selling as-is
The comparison worth making is not our offer against an asking price. It is money in hand on a date you choose, set against a listed number minus commission, minus whatever the permit process costs, minus the concessions a buyer asks for once the file comes back, and minus several months of carrying a Selden house.
We will lay ours out in writing so it can be compared honestly. If the listing wins on that arithmetic, take the listing.
How we arrive at a number on a house with unpermitted work
The honest answer on a house with unpermitted work is that we work backwards from what it is worth once it is fixed, subtract what fixing it costs, and subtract what we need to make for the risk of being wrong about either. There is no secret to it and no algorithm.
- What it is worth repaired. Not the Selden median of $637,173 on its own, but what houses like yours on your street actually closed at recently.
- What the work costs. Roof, boiler, electric, the kitchen and bath. In Selden the stock is largely ranch and hi-ranch, and on houses that age the mechanicals are usually the expensive part rather than the cosmetics.
- How long we will hold it. The median Selden house goes under contract in about 23 days once it is showable, then waits 45 to 60 days more on the buyer's lender. Ours has to get to showable first, and we carry taxes and insurance across the whole of it.
- What we are wrong about. Opening a wall finds things. That risk is priced in, which is a large part of why a cash number sits below a retail number.
Why the number works for us and not for you
This is the part most cash buyers are vague about, so here it is plainly. We run millions of dollars of construction a year. That volume buys materials at contractor pricing and keeps the same crews working year round, which means the identical renovation costs us roughly half what a homeowner would pay to have it done.
That gap is the business. It is also why doing the work yourself before selling so rarely pays: you would be buying the same roof and the same boiler at retail, then hoping the market hands it back to you at resale. It usually does not. We are not making money because you sold cheaply. We are making it because we build cheaply.
And if the number does not work for you, say so. We would rather hear that than talk anyone into anything. We will look at your situation and tell you honestly what we think your options are, including the ones that do not involve us. Plenty of people are better off listing with an agent, and when you are one of them we will say so rather than let you find out later.
What to do next
Nothing has to be legalized, opened up, drawn or approved before we buy. The unpermitted work stays exactly as it is through the closing, and the file becomes ours.
That is not a concession, it is simply the work we do. We take on the file, commission the drawings, meet the inspectors on site and pay for the corrective work when one of them asks for it. What would be a year of your life, spent on a house you have already decided to leave, is a line in our budget.
Common questions
Will unpermitted work stop a buyer getting a mortgage on a Selden house?
It often does. A lender wants the certificate of occupancy to match what is physically there, and unpermitted work means it does not. The appraiser flags the discrepancy, the underwriter asks for the permit, and the buyer is suddenly waiting on a town approval nobody can put a date on. That is the mechanism behind most failed sales on houses with unpermitted work. We are not borrowing, so there is no appraiser and no underwriter to satisfy.
Do I have to pull permits before selling my Selden house?
No. Pulling permits after the fact is slow and expensive, and it is work we are already set up to do. Spending your own money and months on it before you have an offer in hand rarely makes sense.
The previous owner did the unpermitted work. Does that change anything?
Not for us, and not for the town either, because the file follows the property rather than the person who built the addition. It is one of the most common versions of this we see.
Will the town find the unpermitted work when I sell my Selden house?
What the town knows and when is not something anyone should guess at. Your attorney can tell you what a sale in your situation actually triggers. From our side, nothing you disclose changes our offer.
There is already a violation for the unpermitted work. Can you still buy?
Yes. An open violation on unpermitted work is a file we take on at closing along with the house. It affects the number the way any real cost does, not the willingness.
How much does unpermitted work take off the price of a Selden house?
Enough to cover what it realistically costs to put right, and no more than that. We will show you how we arrived at the figure, and we do not move it afterward.