A remodel bid is a description of a job pretending to be a price. The number at the bottom only means what the lines above it say — and the lines that aren't there are the ones that cost you. This guide is the anatomy of a complete bid, trade by trade: what belongs inside each section, and what routinely goes missing only to reappear mid-project as a change order, negotiated while your kitchen is a plywood cave.
Use it two ways: as a checklist against the bids on your table, and as a scope sheet to hand bidders before they price the job. Either way, the goal is the same — a bid where silence doesn't cost anything, because there isn't any.
Demolition looks simple and hides more omissions per line than any other trade. A complete demo section names what's being removed — cabinets, counters, flooring, tile, fixtures, and any walls — and then covers the unglamorous parts: a dumpster or hauling with disposal fees included, capping and making safe any electrical and plumbing in the demo path, protecting the floors and rooms you're keeping, and dust containment between the work zone and the house you still have to live in.
Routinely omitted: disposal fees (“demo” sometimes means they knock it down and the pile is yours), surface protection, and any language about surprises behind the walls — hidden rot, prior amateur wiring, and similar discoveries. No bid can price the unknown, but a good one says how discoveries will be priced and approved, in writing, before anyone swings a hammer. In older homes, ask directly how testing for hazardous materials is handled; the rules and the responsibility vary, and you want that conversation before demo, not during.
Anything structural or skeletal: walls removed or built, openings widened, headers and beams where walls come out, subfloor repair or leveling, and blocking — the hidden lumber inside walls that future cabinets, grab bars, and wall-mounted televisions anchor into.
Routinely omitted: engineering. If a wall might be load-bearing, someone qualified has to say what replaces it, and that determination — and any drawings the permit office requires — costs money that should live in a line, not a later invoice. Subfloor condition is the other classic: many bids assume the floor under your old tile is flat and sound, and the change order arrives the day the demo proves otherwise. A bid that prices a contingency for it, or at least states its assumption, was written by someone who's done this before.
Counts, not vibes. A complete electrical section states how many new outlets, switches, and fixtures, and where; dedicated circuits for appliances that need them; panel work if the existing service can't carry the addition; required safety upgrades like GFCI protection where codes call for it; and who supplies the fixtures themselves — a frequent gap between “install owner's fixtures” and an allowance that covers them.
Routinely omitted: the permit and inspection for the electrical work itself, panel upgrades discovered mid-job, and — the sleeper — patching and repainting the walls the electrician opened. The electrician's bid ends at the wiring; unless the general bid says who closes the walls, nobody does, and closing them becomes your problem at change-order prices. Code requirements vary by jurisdiction and code cycle, which is one more reason the bid, not a verbal assurance, should say what's included.
The load-bearing distinction is replace-in-place versus relocate. Swapping a faucet where the old one stood is a modest line; moving the sink three feet is opening walls or floors, rerouting supply and drain lines, and possibly touching venting — a different job at a different price. A complete section says which one you're buying, names the fixtures (or carries an honest allowance for them — and allowances are their own subject, covered in what allowances in a contractor bid mean), and includes shut-off valves, supply lines, and the small parts that every job needs and few bids mention.
Routinely omitted: the condition of what's behind the wall. Old galvanized supply lines, corroded drains, and mystery fittings from a 1987 weekend project are discovered, not planned — but the bid should state its assumption about existing conditions and how discoveries get priced. Also commonly missing: the plumbing permit, and rebuilding whatever the plumber opened to do the work.
Tile is where allowance games and prep-work omissions meet. A complete tile section covers surface preparation — backer board or membrane, leveling, and waterproofing in wet areas, which is the single most consequential invisible line in a bathroom bid — plus the tile itself (product or allowance), the pattern (herringbone and diagonal layouts cost real labor over straight lays), grout and sealing, trim and edge treatments, and transitions to neighboring floors.
Routinely omitted: waterproofing details, edge trim, and the pattern premium — the bid priced a straight lay, you wanted herringbone, and the difference surfaces after signing. If the tile line is an allowance, check it against the actual tile you intend to buy before you sign; a skinny tile allowance is one of the most common lowball moves in remodel bidding.
Paint reads like the simple line and generates a remarkable share of end-of-job disputes, because “paint the kitchen” can mean one coat rolled over unpatched drywall or full prep and two finish coats. A complete section says: surfaces included (walls, ceiling, trim, doors), preparation (patching, sanding, priming — especially over new drywall and repairs), number of coats, and who paints the patches other trades left behind. Caulking, floor transitions, and final construction cleaning belong in this end-of-job zone too — someone has to be responsible for the house being livable when the trucks leave.
Routinely omitted: painting at all. On remodels it's astonishingly common for every trade to end at “walls ready for paint” with no line making anyone responsible for actually painting them — a hole worth real money that you discover the week you expected to be done.
This anatomy is the outline; the Bid Decoder's per-trade sanity checks give you the complete version of each trade's checklist, plus the comparison workbook that shows instantly which of your three bids skipped which lines — The Bid Decoder Package ($29).
Five things, and their absence is the loudest silence in remodel bidding. Permits — who pulls them, who pays the fees, and who meets the inspectors; requirements vary by jurisdiction, but responsibility should never be ambiguous. Disposal — one stated home for every trade's debris. Protection — floors, doorways, and dust barriers for the rooms not in the project. Cleanup — ideally a final construction clean, at minimum broom-clean defined in writing. And the change-order process itself — a sentence requiring written, signed, priced approval before any extra work happens. That sentence costs an honest contractor nothing and is worth more to you than any single line in the bid.
A bid that covers everything in this guide is comparable, enforceable, and hard to lowball. A bid that doesn't isn't necessarily dishonest — plenty of good contractors just write thin bids — but the gaps are yours to find either way, and finding them before signing is the entire game. Line the bids up against one master list using the apples-to-apples method, and if the gaps turn out to explain the price spread, that's not bad news — that's the answer to why the bids varied in the first place.
Not automatically — some excellent contractors write brief bids out of habit. But a total-only bid is uncheckable as written, so ask them to confirm in writing what it includes, line by line against a list like this one. Their response tells you as much as the bid did.
Yes, and it's the single best move in the bidding process. Hand every contractor the same written scope and ask them to price that list, noting anything they'd add or exclude. You get comparable bids by construction instead of reverse-engineering them afterward.
For a homeowner's purposes, the test is coverage, not length: every trade the job touches, every allowance identified, every exclusion stated, and the five connective items — permits, disposal, protection, cleanup, change orders — addressed. A bid can hit all of that in two pages. Detail beyond that is pleasant, not necessary.
Generally, no — the written scope defines the obligation, and work outside it is extra, though contract interpretation varies by state and by how the agreement is written. That's precisely why the time to catch missing lines is before signing, while adding them costs a conversation instead of a change order.
Every line missing from a bid is a change order with your name on it — find the holes before you sign, not after demo.
Get the Bid Decoder Package — $29 Instant download · Yours forever · All sales finalEducational information, not legal advice. Laws and practices vary by state and change over time; verify anything you intend to rely on, and consult a licensed professional in your state for advice about your specific situation.