Residential Construction Estimating Services for Builders and Remodelers
Line-item cost for custom homes, spec builds, remodels and wood-framed multifamily, coded to NAHB or CSI and returned as an unlocked spreadsheet you can reprice with your own framer and your own lumber yard. Delivered 24-96 hours from a fixed quote you approve in writing.
In every residential package
- Unlocked Excel or CSV in NAHB cost codes, CSI 01-49, or both
- An allowance schedule with a unit basis behind every dollar
- Marked-up sheets in color, keyed to the workbook row
- Written assumptions, inclusions and exclusions
- Estimator self-check, then a second-estimator audit
Where residential margin actually disappears
Almost nobody loses money on a house because the framing number was wrong. The margin goes in small places between the estimate date and the certificate of occupancy, most of them decided before a shovel moves.
What our residential estimating services actually deliver
Residential cost estimating services are worth what the file is worth. Here is what lands in your inbox, and the decision that changes which package you should buy.
The four files
The same four parts on one custom home and on a twenty lot release.
The line-item estimate
Excel or CSVQuantity, unit, unit cost and extension on every line, labor and material split so you can overwrite one without disturbing the other. No locked cells, no rolled-up total hiding a number.
A rate column you are meant to overwrite
Baselines come from RSMeans and the National Construction Estimator, adjusted for the market. Drop your framer's number and your yard's quote into the rate column and the sheet recalculates. You buy quantities and structure, not a price you must take.
Coded to your books, not to ours
NAHB cost codes, CSI 01-49, or both columns on the same sheet. Send your chart of accounts with the plans and the workbook lands in your numbering.
The allowance schedule
Its own tabEvery unselected item with a unit basis, a quantity and a figure. Not $9,000 for flooring: 2,000 SF at $4.50 per SF installed. Overage terms sit beside it, agreed at estimate time, the only time anybody agrees to them calmly.
The color-coded markups
PDFEvery wall run, roof plane and fixture count marked on the sheet it was measured on and keyed to the workbook row. Wall types stay separated: 2x4 and 2x6 exterior, partition, wet wall and rated party wall never average into each other.
Assumptions, inclusions and exclusions
One pageWhat was counted, what was assumed, what was left out. On a fixed price house this is the page that decides who pays for the thing nobody drew.
Quantities only, or quantities priced
The decision no competitor draws for you, and the one that changes what you should pay.
Quantities only, when you buy the job out
MeasuredCollecting sub bids is a pricing method, not an absence of one. What you lack is the measurement that holds a framer to their number, catches the sub who bid off a superseded issue, and shows the scope nobody claimed.
Fully priced, when one number leaves the office
PricedWhen a figure goes to a buyer, a bank or your own call on a lot, you need the build-up: crews and production behind the labor rows, allowances with a basis, contingency and escalation on lines you can delete.
See a sample packageAllowances, selections and contingency, three different mechanics
These three get collapsed into one line on most residential estimates, and that habit is why fixed price builders argue with their buyers at month five.
| Allowance | An unselected item at a stated unit and quantity | The buyer, at selection | Its own schedule line, with the basis written |
|---|---|---|---|
| Selection | The product the buyer actually picked | The buyer | Replaces the allowance, with the delta shown |
| Allowance overage | The gap between the allowance and the pick | The buyer, by change order | Cost plus your standard markup, approved first |
| Contingency | Scope and condition risk, not buyer taste | The builder | One visible line you can take out before signing |
| Escalation | Movement after the pricing-as-of date | Whoever the contract says | A dated line, never a percentage folded in |
| Unforeseen conditions | What the drawings could not show on a remodel | Negotiated when it opens up | Sized to age and scope, never a flat 10% |
Send one plan set and price a single house first
Name the plan, the elevation and the lot, and a fixed price with a delivery date comes back in writing. Nothing is billed until you approve that number.
Cost per square foot is an output, not an input
Two builders price one plan and land $40 per SF apart without either being wrong. Here is what the denominator is doing, and how to back a defensible figure out of an estimate.
How do builders calculate cost per square foot?
Backwards out of a finished estimate, never forwards into one. Total the hard cost, divide by a stated area. The figure reads only if the denominator is named, because under-air and under-roof on one house give two numbers a buyer calls a discrepancy.
Which square footage goes in the denominator?
Name it or the number means nothing. Under-air, or conditioned, area excludes the garage, covered porch and unfinished attic. Under-roof includes them at full area. Most builders publish under-air and carry porch and garage at a fraction.
Why do two builders land $40 per SF apart on one plan?
Because the figure hides foundation type and stem height, lot grade and the cut and fill behind it, roof pitch and how cut up it is, plate height, window-to-wall ratio, spec level and plan shape. A 6:12 gable and a cut-up hip roof never share a rate.
What does a residential construction cost estimator use it for?
Sanity checking, and nothing else. A residential construction cost estimator finishes the detailed line item estimate for building a house, divides by the stated area, then compares it against closed jobs of the same spec level. Landing far off reopens it.
Can you just give me a per square foot number for my market?
Not honestly, and neither can the tables online. Published averages date within months and blend spec levels differing by a factor of three. What you can have is your own figure, from your own plan and your subs' rates.
Foundation, framing and shell, where the quantities come from
This is the half of the estimate that decides the other half. Foundation type, framing method and roof geometry are settled before a buyer picks anything, and most finish quantities downstream are measured against them.
Foundations on a single family home construction estimate
Frost depth, lot grade and stem height decide this line. The floor plan barely touches it.
Slab-on-grade
Warm climatesA monolithic pour with a turndown and a stem wall with a separate slab do not cost alike. The number moves on stem height off the fall across the pad, engineered fill in CY, under-slab plumbing by fixture group.
Crawlspace and pier and beam
Mixed climatesStem height, block against poured, vented against sealed. The forgotten lines are access, insulation and the ground vapor retarder, plus a pier layout that changes with the floor framing.
Basements, walkout and daylight
Cold climatesPriced by wall height and lineal foot of foundation wall, not the finished area above. Footings go below the local frost line, so a 42 inch frost depth in the upper Midwest buys wall a Gulf Coast slab never pays for.
Custom home estimating services and the framing method
The method decides what the takeoff produces, and what the truss plant already produced.
Truss package against a stick-framed roof
RoofWith a sealed truss package the manufacturer's lumber list covers the roof, so the takeoff covers walls, floor system and sheathing and never counts roof framing twice. A stick roof comes off the roof plan and the elevations: rafter count is ridge LF divided by spacing plus one per side, then hips, valleys, ridge board, ceiling joists and collar ties added by hand.
Wall framing arithmetic
By LF and BFStuds run at wall LF times 0.75 on 16 inch centers, then corners, T intersections, headers, king, jack and cripple studs come off the plan rather than a factor. LVL, PSL and GLB by size, TJI or dimensional joists by LF.
Material takeoff servicesThe check that catches a double count
A conventional one-story runs roughly 6 to 8 board feet per SF of living area. Outside that band something got counted twice or missed. A framing and lumber estimate for house plans in your yard's units is a buy list.
New home construction estimating services: roof, envelope and waste
Squares, slope multipliers, and waste stated per material instead of one number on the house.
Roof and envelope quantities
Square, SF, LFPlan area times the slope multiplier gives roof area: a 6:12 is 1.118, a 10:12 is 1.302. Then hips, valleys, ridge and rake by LF, drip edge, underlayment and ice-and-water shield by climate zone. Below that, WRB by SF, weep screed by LF, siding by square by profile, soffit and fascia by LF.
Schedules and waste
Named factorsWindow and door schedule counts are reconciled against the elevations, and disagreements reach you with the dollar impact before delivery. Waste is named per material, because drywall and hip roof sheathing do not shrink alike.
ADU cost estimate services
Small footprintAn accessory dwelling unit is not a small house priced by ratio. On 600 to 1,000 SF it carries a full kitchen, a bath, its own service and utility runs, so it routinely runs above the main house per SF.
Option and upgrade pricing, as deltas off a base plan
A builder sells an option at a single line price and quietly eats the cascade. Every option is two numbers: what the buyer sees, and everything downstream that moves with it.
A per lot estimate for a repeat plan, priced once, then by the lot
Read this if you build the same plan more than twice. The base plan is priced once and carefully. After that only the lot changes, and the lot is a short list.
Price the base plan once, to the stud
Separate what repeats from what the lot decides
A spec home cost estimate against a real lot
Production builder estimating across a release
Townhome and duplex estimating services
Multifamily construction estimating services, wood-framed
Ask about a plan library, or send a set for a free read
The free plan-set read costs nothing: which sheets are present, which intake items are missing, how many allowance lines the set will force, and your option count.
A residential estimate for a construction loan, mapped to the draw schedule
A lender reads the draw structure before the line items, because that is what releases money. A front-loaded budget, where the first two draws carry half the contract, goes back across the desk.
| Draw 1 | Permits, site and foundation complete | 15-20% | Fees, clearing, cut and fill, footings, slab or stem |
|---|---|---|---|
| Draw 2 | Framing and dry-in complete | 20-25% | Lumber, trusses, hardware, sheathing, roof, windows |
| Draw 3 | MEP rough and insulation passed | 15-20% | Plumbing, HVAC and electrical rough, insulation |
| Draw 4 | Drywall, trim, cabinets, exterior | 20-25% | Board and tape, trim, cabinetry, siding, brick, paint |
| Draw 5 | Final trim, flooring and the CO | 15-20% | Flooring, fixtures, appliances, punch, final grade |
| Retainage | Held back until completion, not a sixth draw | 5-10% withheld | Taken from every draw, not parked on the last |
NAHB cost codes or CSI, delivered in both columns
Builders run NAHB codes and job-cost software. Bank reviewers read CSI divisions. The file carries both, and consistent coding is what makes your own closed jobs usable.
The NAHB cost code estimate format
Land and site, then shell, then mechanicals, then interior finish, grouped the way a house gets built and paid for. Almost every builder has bent that standard to their own history, so your numbering is what gets used.
Buildertrend, CoConstruct or QuickBooks job cost
A CSV with your codes in the first column, so the import is a mapping you do once instead of a week of re-keying. Send one export and the file returns in that order, with CSI 01-49 alongside for a reviewer.
Fifteen closed jobs beat any national average
If every estimate lands in a different structure your history is unreadable and you are back to per square foot. Same codes job after job and the estimate and the closeout compare line for line.
Home remodel cost estimating services, and the conditions nobody can see
New construction is measured off a drawing. A remodel is measured off a drawing plus a building already lying to you. Here is what an estimator can and cannot see from photographs.
What can be priced from what you send
Plans, a field-verified as-built and honest photographs get you most of the way.
Plan-only against field-verified as-builts
As-builtsAn as-built is somebody else's measurement of a standing building. From a laser survey it holds. From a tape and an afternoon, wall thicknesses, ceiling heights and out-of-square conditions move, and each moves a quantity.
What we do instead of ignoring it
The estimate names the drawing it was built from and its issue date, then lists the dimensions the number is most sensitive to, so your PM verifies five on site.
Demolition quantified, not allowed for
By volumeDemo is priced by the volume coming out and the pulls it takes: CY by material type, dumpster size, number of pulls, and whether a truck reaches the back of the house. A second-floor gut with one stair carries labor a ground-floor gut never sees.
A whole house remodel estimate
Full gutNew construction quantities plus demolition, plus the cost of working inside a standing envelope: protection, dust control, staging, and trades that cannot overlap on one path in. Matching existing trim costs more than replacing it.
What nobody can price until it opens
The honest list, and how the line that covers it gets sized.
Structural modifications
Beam and postsRemoving a bearing wall is a beam, two posts, point-load footings under both, shoring while the load transfers, and the repair afterwards. We price to the structural design you provide and do not size the beam. Without an engineer's sketch the line carries an allowance, flagged unresolved.
Pre-1978 and hazardous material
RRPA house built before 1978 pulls the lead-safe RRP rules in once the work disturbs more than six square feet of interior painted surface, or twenty outside. Popcorn ceilings, floor tile and pipe insulation from that era can carry asbestos. Both are priced only where a survey or spec section defines them.
Sizing the unforeseen-conditions line
10 to 20%One flat percentage on every remodel is a habit, not a contingency. The line is sized to the building's age, to how much structure is being opened, and to what the photographs already show.
What pushes it toward 20%, and what pulls it back
Up: pre-1960 construction, a full gut, cast iron waste still in service, knob and tube, additions of unknown vintage, plumbing under a slab. Down: a 2005 house, two baths inside an untouched envelope, photographs of what is behind one wall.
When the repair is funded by a carrier
Different rulesetIf an insurance claim is paying, the number is not built up from divisions at all. It is written to the carrier's price list for the loss ZIP and month, on a different desk. Blending the two produces a document neither the carrier nor your buyer will accept.
Xactimate insurance estimatesCost plus or fixed price changes what the estimate has to do
The same house and the same quantities produce two different documents. What changes is who holds the risk on the day a number turns out wrong.
Cost plus and a guaranteed maximum
Under cost plus the estimate is a budget the client reads and a control document you build against. A miss surfaces as a conversation in month three, not as your money. Under a guaranteed maximum it becomes a ceiling and every assumption becomes contractual.
Fixed price and lump sum
Under fixed price the estimate is your risk position for nine months. Every quantity you missed is yours, every allowance you set low is yours the moment the buyer picks, and escalation before the framing order is yours unless the contract says so.
Unit price work inside a residential contract
Rock excavation by CY, extra pier depth by LF, fill by the load, well depth by the foot. Where nothing can be quantified until the machine is on the lot, a rate agreed in advance turns a fight into arithmetic.
Residential vs commercial construction estimating
Residential prices to NAHB codes, an allowance schedule, a draw schedule and a buyer who keeps changing selections. Commercial prices to CSI divisions, an owner's bid form, alternates and unit prices, and a bid opening at a stated minute.
Commercial construction estimating servicesHard costs, soft costs and what we deliberately leave out
Most estimating firms publish what is included. This is the other list, printed before you spend anything, because every argument at month six starts with something unwritten.
Put the whole season on a monthly partnership
Starts bunch up in spring and go quiet in February. The monthly partnership runs a priority queue with unlimited revisions and revised plan issues included, and a quiet month carries into the next one instead of paying for an idle desk.
Pricing as of a date, and what to send us to start
An estimate with no date on it is a rumor. Here is how the pricing-as-of date works, what a re-price costs, and the ten things that make your set quotable.
Every estimate leaves with a pricing-as-of date on the cover, because the number is only true against the market that day. Supplier quote validity has compressed in most markets from thirty days toward fourteen to twenty-one, and framing lumber can move further between your estimate and your framing order than every finish upgrade in the house combined.
A re-price is not a new estimate. The measured quantities stand and only the material-sensitive lines move to the new date, so it is quoted as a fraction of the original work rather than as a fresh package. Revisions are a different thing and included on unchanged scope: our error, a line rechecked, a reformat into your codes.
Almost no residential set arrives complete. The finish schedule is brand names with no model numbers, the plat has no grades, the energy report is still with the rater. That is normal and does not stop the estimate. What changes is how many lines carry an allowance rather than a measured quantity, and that count predicts how far the number moves.
Builders search for residential estimating services near me because they assume the estimator walks the lot. On a plan set they do not: the work is measured off your drawings and delivered by email, in all 50 states, from 7901 4th St N STE 300, St. Petersburg, FL 33702. Being local would buy you labor rates, which you already hold, and the rate column is yours.
Home builder estimating services, per bid, monthly or dedicated
Three ways to run an outsourced estimator for home builders, and one honest case for none of them. Residential volume is never flat, and a salaried seat costs the same in February whether you started a house or not.
| Best for | One custom home, or a first job with us | Two or more houses started a month | A plan library and a release calendar |
|---|---|---|---|
| Against in house | ~25-35% less | ~40-55% less | ~35-45% less than a loaded seat |
| Commitment | None, one house at a time | Flat monthly retainer | One estimator assigned to your work |
| Delivery | 24-96h from an approved quote | 24-96h priority queue | 8 hours a day, 5 days a week |
| Revisions | Included on unchanged scope | Unlimited, revised plan issues included | Included on unchanged scope |
| Quality check | Two-step QA | Two-step QA | Two-step QA, same estimator each time |
| Your cost codes | On request | Standing | Standing |
| A slow February | You spend nothing at all | Queue carries into the next month | The estimator works your backlog |
| Do not buy it when | You already priced this exact plan | You start fewer than four houses a year | Your work will not fill a 40 hour week |
What builders ask before they send the plans
The questions that come in the week a builder decides whether to hand the plan set over.
What you get
Accuracy and timing
Money
Fit
Price your next house
before you price the lot
Upload the plan set, name the elevation, and say whether a buyer, a bank or a lot decision reads the number. A fixed price and a delivery date come back in writing.