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A basement is the room least likely to have a drawing, the most likely to have something in the way, and the easiest to quote wrong from the kitchen table. Here is what actually moves the number, and what software can and cannot do about it.
No card. Two scans, then you decide.
Four real pages and the rest is filler. XactRemodel. OneClick Contractor's interior remodeling page. Clear Estimates has a room and basement remodeling page. Builder Prime has one for basements and waterproofing, which is a CRM for a specific trade rather than estimating. Behind those: a twenty one best listicle, a top ten, a top eight written by a software founder, and a scattering of template farms.
The telling one is ArcSite, who rank with a basement finishing calculator. Read it and it is built for the homeowner working out what she might spend, not for the contractor pricing the work. When a tool vendor's best page for a contractor search is a homeowner calculator, the whole subject is being answered for the wrong person.
Of the pages written for you, every one is generic remodeling software with the word basement in the heading. Not one of them says what is different about a basement. That is the only reason this page exists.
Every other room in the house is roughly what it looks like. A bathroom is a box with plumbing in known places. A kitchen has a ceiling at the same height as the hall. You can be wrong about finishes and still be in the right postcode on the number.
A basement is not like that. The useful space is whatever is left after the mechanicals, and the mechanicals were put in by somebody who never expected the room to be finished. The square footage on the tax record and the square footage you can sell are two different numbers, and the gap between them is where basement jobs lose money.
Which is why a homeowner describing her basement on the phone tells you almost nothing. She will say it is about a thousand square feet and she wants a family room, a bedroom and a bathroom. Every one of those three has a gate in front of it that she has not mentioned because she does not know it is there.
Finished ceiling height is not slab to joist. It is slab to the bottom of the lowest duct, beam, waste line or sprinkler in that bay. One trunk duct crossing the middle at the wrong height turns one open room into two rooms with a soffit between them, or into a job that needs a duct rerouted by somebody else's trade. Minimum finished heights for habitable basement space are set locally and amendments vary, so check your own jurisdiction rather than any article, this one included.
Panel, furnace, water heater, sump, cleanout, meter. Every one has to stay reachable and most cannot be boxed in without keeping a working clearance. Where they sit decides where the utility room wall lands, which decides the finished area, which is the figure every other line on your estimate multiplies. Get this one wrong at the kitchen table and the whole quote is wrong by the same percentage.
Efflorescence on the block, staining along the base of the wall, a dehumidifier parked in the corner, a sump that cycles while you are standing there. That evidence decides whether you are quoting framing straight off the slab or quoting a subfloor system, a perimeter drain and remediation first. Nothing else on a basement estimate swings the number as hard, and nothing else is as easy to miss from a photograph taken with the lights off.
The split matters because they are different jobs. Some of this is a number and some of it is a judgement you have to make with your own eyes, and a quote put together from the wrong half of that list is the one that goes bad in week three.
There are four kinds of thing being sold under this search and it is worth knowing which one you are looking at. Plan takeoff tools, which measure off a drawing you do not have. Assembly estimators, which multiply a quantity by a template. Field CRMs with an estimate screen bolted on. And cost databases, which sell you somebody else's prices.
All four do the same thing with the hard part: they assume it has already been done. Every one of them starts at a form with a box for the finished area, and the finished area is precisely the number a basement will not give you until somebody has stood under the ducts.
So what software can honestly do is two things. It can make the arithmetic reliable once the quantities exist, which the good ones do well. And it can get the quantities and the evidence out of the house and onto your screen without you driving there, which is the part we built.
Nothing to install and no account to make. She opens it in her phone browser and walks down her own stairs with it.
On a recent iPhone Pro the space is measured with LiDAR as she walks it. On any other phone it falls back to photographs plus the room sizes she types in. Photos upload one at a time as she takes them, which matters more in a basement than anywhere else in the house because the signal down there is usually poor.
A vision model reads her photographs and a model writes the scope. It is a first draft. You are the one who knows that the thing in the corner is a well pump and that the duct will have to be dropped, so you fix it.
The scope is priced line by line against your cost book, with every quantity traceable to where it came from. No model sets a price and no regional average does either.
A basement with a dry slab, nine feet of clear height and the mechanicals tucked in one corner is worth the drive. One with a sump running and ducts across the middle is a different conversation, and you can have it on the phone instead of after an hour in the truck.
You can qualify one without going there, and you can send a first number. You should not build one without going there. The point is deciding which basements get the visit, not pretending the visit never happens.
A LiDAR capture picks up geometry including what hangs down, and the photographs show the rest. What it will not do is tell you whether that duct can be moved. That is your call and it always was.
Then there is no LiDAR and it falls back to photographs plus the room sizes she types in. In a basement that fallback is weaker than usual, because typed numbers will be slab to joist and the number you need is slab to the lowest duct. Ask her for that one specifically.
It is the real limitation. Tell her to put every light on and open the stair door, and ask for the mechanical corner twice. A dark photograph of a wall base is the one thing on this page worth a second attempt.
No. If you have a measured drawing and want quantities off it, buy a takeoff tool. We work the other way round, from a room that has never been drawn, which is most basements.
Two scans free and no card. After that, Solo is 79 a month for one user and 20 scans, Crew is 149 for five users and 60 scans, Shop is 349 for unlimited users and 200 scans. Captures your own crew make on site are not metered at all.
Two scans free, no card. Send the link, look at the mechanical corner, and decide from your own kitchen table whether this one is worth the drive.