Residential takeoff
Detached and townhome units in the Durham growth corridors, taken off by plan type and repeated across the phase.
SF · EA · LFDurham, NC
Construction estimating services in Durham, NC
Durham permitted 4,483 new privately-owned residential units in 2025, up 61% from 2,793 the year before. We produce line-item takeoffs and estimates for that pipeline — single-family, multifamily, concrete, framing, MEP and sitework — priced with ZIP-code-adjusted material and labor rates.
24–48 hours for most projectsTypical turnaround
Every CSI divisionSitework through MEP
Durham ZIP pricingLocal material and labor
Price confirmed firstBefore any work starts
Census BPS · Durham · 2025Real permit data
Durham new housing permits2025
New housing units4,483Change vs. 2024+61%Permitted construction value$1.3BAverage value per unit$291,500Rank among covered North Carolina cities#2
Single-family: 2,518 (56%)Multifamily: 1,965 (44%)
U.S. Census Bureau, Building Permits Survey, 2025. Residential only.
What makes construction estimating in Durham, NC different?
Durham pricing turns on four local drivers: Piedmont red clay and weathered granite subsurface conditions that move footing and pier quantities, a 44% multifamily share of permitted units that shifts budgets into podiums and parking decks, steep graded lots in the western and southern growth corridors, and RSMeans ZIP adjustment for the Raleigh–Durham labor market.
- Durham permitted 4,483 new housing units in 2025, #2 among the North Carolina cities we cover.
- About 44% were in multifamily buildings; 56% were single-family.
- Permit volume was up 61% compared with 2024.
Durham sits in the middle of the Piedmont corridor, roughly halfway between the Triangle and the Triad, and the permit volume reflects it. The city issued 4,483 new privately-owned residential units in 2025 against 2,793 in 2024 — a 61% jump — with 2,518 single-family and 1,965 multifamily units. That mix matters at bid time, because a townhome or apartment package carries different division weights than a subdivision of detached houses. If you are pricing work here, start from the statewide picture on our North Carolina construction estimating page, then narrow to the trade scopes you actually hold.
We take off from your plan set in Bluebeam Revu and PlanSwift, price with RSMeans data adjusted to the project ZIP code, and return Excel and PDF files organized by CSI MasterFormat division with the marked-up drawings attached. Most projects come back in 24–48 hours, and rush turnaround is available when a bid date moves. Multifamily and podium work is a large share of what we see in Durham, so multi-family estimating services and commercial estimating services are the two scopes we quote most often for contractors bidding in the city.
- Coverage
- Durham and nearby North Carolina communities
- Deliverable
- Excel estimate + marked-up PDF plans
- Pricing basis
- Durham ZIP-code material and labor costs
- Turnaround
- 24–48 hours for most projects
- Software
- Bluebeam Revu, PlanSwift, RSMeans data
01
For bidders. You have a hard bid date and an incomplete set. We return a division-by-division takeoff with quantities, waste factors and unit costs you can carry straight into your bid form, plus a list of exclusions so you are not pricing another trade's scope.
02
For builders. You are buying out a subdivision or a multifamily phase and need quantities that survive a change order. We take off by building and by phase, so concrete, framing and MEP scopes can be released to subs without re-measuring the drawings.
03
For owners. You need a budget before design is finished and a check against the contractor's numbers after. We price what is drawn, flag what is not, and show the assumptions so you can compare two bids on the same basis.
Durham by the numbers
Durham's residential construction pipeline
Select a bar to compare Durham with the largest North Carolina markets we cover.
4,483New housing units, 2025
22.5%Of all units in the North Carolina cities we cover
$1.3BPermitted residential value
44%In multifamily buildings
New housing units permitted in 2025. Source: U.S. Census Bureau, Building Permits Survey.
This city
Durham
4,483 new housing units in 2025 (+60.5% vs 2024).
2,518 single-family · 1,965 multifamily (44%).
What the 2025 permit numbers tell a bidder
Durham's 4,483 permitted residential units rank 2nd of the 17 North Carolina cities we cover and account for 22.5% of the 19,955 units permitted across that group. The 61% increase over 2024 is the number that changes how you bid: more units chasing the same framing crews, concrete finishers and mechanical subs means labor rates in the Raleigh–Durham market move faster than the RSMeans quarterly update. Build the escalation into your bid rather than absorbing it. With 1,965 multifamily units — 44% of the total — a large share of that work is three- and four-story wood over podium, which pulls in concrete estimating services for decks and foundations and framing estimating services for the stick packages. Permitted value of $1.3B works out to about $291,500 per unit, a useful sanity check when a per-unit budget looks out of line.
Durham County soil, terrain and code review
Most of Durham sits on Piedmont residual soils — red clay over weathered granite and saprolite — with shallow rock in the western and northern reaches. That drives footing and pier quantities more than the building above them, and it is why we take off foundations separately from slab-on-grade. Graded lots along the southern and western growth corridors add retaining wall and undercut line items that a flat-lot template will miss. On the code side, the city enforces the North Carolina State Building Code, which adopts the IBC family with state amendments; confirm the adopted edition and any local amendments with the Durham County or City of Durham building department before you finalize a scope. Stormwater and erosion-control requirements on disturbed acreage are a common add to sitework budgets, so price sitework estimating services with the civil sheets in hand, not the architectural set alone.
Services
Construction estimating services in Durham
Eight scopes we take off most often for Durham contractors, developers and design teams, each priced with ZIP-adjusted material and labor rates.
Multifamily estimating
Wood-frame over podium and garden apartments, split by building, floor and unit type for buyout.
SF · EA · UNITConcrete takeoff
Footings, pier caps, slab-on-grade and podium decks measured with formwork and reinforcement separated.
CY · SF · TONFoundation estimating
Spread footings, stem walls and drilled piers priced against Piedmont clay and weathered rock conditions.
CY · LF · EAFraming takeoff
Floor, wall and roof framing by member size and length, with sheathing, hardware and typical waste factors.
BF · LF · SFMEP estimating
Plumbing, HVAC and electrical rough-in quantities organized by division for sub buyout and bid leveling.
LF · EA · TONRoofing takeoff
Shingle, membrane and metal roof areas with slopes, flashing, drip edge and underlayment itemized.
SQ · LF · EAIndustrial estimating
Data center and plant support scopes — slabs, racks, process piping and electrical feeders — from equipment drawings.
CY · LF · TONWho we provide estimates for
Who we estimate for in Durham
General contractors
You are bidding Durham County schools, church additions, or municipal work against three or four local GCs, and you need a division-by-division takeoff that holds up in a hard bid opening.
Subcontractors
You hold concrete, framing, or MEP scopes on a Research Triangle Park fit-out and need quantities released from the same plan set the GC priced, so your number matches the bid form.
Multifamily developers
You are underwriting a podium or garden apartment phase off Durham's 1,965 multifamily units permitted in 2025 and need a budget that separates building shell from site and amenity scope.
Production homebuilders
You are buying out a subdivision take-down and need per-plan quantities for the 2,518 single-family units Durham permitted in 2025, priced by building rather than by a lump sum.
Architects and owners
You need an independent check on a contractor's proposal before award, with assumptions and exclusions written out so two bids can be compared on the same scope basis.
Industrial and plant contractors
You are pricing process support, equipment pads, or warehouse expansion along the I-85 and U.S. 70 corridors and need structural, concrete, and MEP quantities separated from vendor packages.
Where we provide estimates
Durham areas and nearby communities we cover
We take off Durham city and Durham County work from plan sets you send, and we price the same scopes for contractors bidding the surrounding Triangle and Triad markets.
Downtown and central Durham
- Downtown Durham
- Central Park
- Old North Durham
- Trinity Park
- Warehouse District
- Brightleaf
South and southwest Durham
- Southpoint
- Research Triangle Park
- Woodcroft
- Hope Valley
- Parkwood
- Massey Chapel
North and east Durham
- Treyburn
- Falls Lake
- Brier Creek
- Gorman
- Bethesda
- Bahama
Nearby cities we cover
Property types
Types of Durham properties we estimate
Durham's 2025 permit mix ran 2,518 single-family and 1,965 multifamily units, so most of what we take off is either a production house plan repeated across lots or a multifamily building repeated across floors.
Garden apartments
Three- and four-story wood-frame buildings over surface parking, priced per building with unit counts, corridor lengths, and balcony or breezeway scope separated so a phase can be bought out in stages.
Watch for: Per-building repetition, fire-rated separations, and sprinkler coverage.
Podium multifamily
Concrete or post-tensioned podium with wood frame above, common near downtown and along transit corridors, where the concrete division carries far more cost than the residential floors above it.
Watch for: Podium slab thickness, transfer beams, and waterproofing at the deck.
Townhomes and rowhouses
Attached units with party walls and shared foundations, priced by building rather than by unit so footing runs, common walls, and roof intersections are counted once and not multiplied across the block.
Watch for: Party-wall fire assemblies and stepped footing quantities.
Production single-family
Detached plans repeated across a subdivision, taken off per plan with a waste factor and then extended by lot count, which is the fastest way to price 80 to 200 houses on rolling take-downs.
Watch for: Plan revisions between phases and lot-specific foundation changes.
Research and office fit-out
Laboratory, office, and light industrial interiors around Research Triangle Park, where mechanical, electrical, and plumbing scope usually exceeds the partition and finishes divisions combined.
Watch for: Fume hood counts, clean-room finishes, and lab waste piping.
Industrial and warehouse
Tilt-wall and pre-engineered buildings with equipment pads, racking loads, and truck courts, priced with sitework and concrete separated from the building shell and vendor-supplied systems.
Watch for: Slab flatness, dock equipment, and equipment anchorage.
Local factors
What changes a construction estimate in Durham
Two bids on the same Durham drawings can differ by more than the drawings explain. These are the drivers we check before we price a line item.
Permitting and code review
Durham and Durham County review plans under the North Carolina State Building Code, with the adopted edition and any local amendments confirmed at the building department counter. Review comments on fire separation, egress, and energy compliance can add scope after the bid, so we price to the drawings you send and list the code items that are drawn but not dimensioned. Confirm the adopted edition with the local building department before you lock a number.
North Carolina State Building Code · Durham County building department · local amendmentsPiedmont clay and rock
Much of Durham County sits on residual clay soils over weathered rock, and footing depth can vary from lot to lot within the same subdivision. We carry footing and slab quantities by building, not by average, and flag where a geotechnical report changes the foundation class. On hillside lots, stepped footings and retaining walls move real money into the concrete and sitework divisions.
residual clay soils · geotechnical report · stepped footingsHumidity and stormwater
Summers are hot and humid and afternoon thunderstorms are common, which drives drainage, vapor control, and exterior detailing. Detention ponds, riprap, and underdrain are frequently required on Durham sites, and those quantities belong in the sitework division rather than buried in a general conditions allowance. Roof drainage and overflow scuppers are worth counting on any building with a large flat roof.
detention ponds · vapor retarder · roof overflow scuppersLabor and crew availability
The Triangle market keeps framing, drywall, and mechanical crews busy, so labor rates and crew sizes swing with the construction calendar. We price labor from RSMeans data adjusted to the project ZIP code and note where a scope is likely to be subcontracted rather than self-performed. On fast schedules, overtime and shift work change the labor burden more than material pricing does.
RSMeans data · ZIP-code adjustment · labor burdenSitework and land development
Grading, erosion control, and utility extensions are usually the first scope let on a Durham subdivision or commercial pad, and they set the budget for everything after. We take off clearing limits, cut and fill, storm pipe by diameter and length, and water and sewer runs by linear foot, then separate them from the building pad so a site package can be bid on its own.
erosion control · storm pipe by diameter · water and sewer runsMaterials and haul distance
Concrete, aggregate, and structural steel move into Durham from plants and yards across the Piedmont, and haul distance shows up in the delivered price. We price materials at the project ZIP code and keep vendor-supplied items such as switchgear, elevators, and rooftop units as separate line items with a clear exclusion note. Sales tax treatment on materials should be confirmed with your accountant before the bid is final.
delivered concrete price · vendor-supplied equipment · North Carolina sales taxDurham estimating guide
How Durham conditions show up in a takeoff, trade by trade
Durham sits on the Piedmont, where residual clay and weathered rock change excavation quantities, and the city's mix of infill multifamily and research-corridor commercial drives the divisions that matter most.
Sitework and utilities
Durham's Piedmont clay holds moisture, so a cut that looks clean after a dry week can turn into undercut and backfill once it rains. We take off stripping separately from unsuitable-material removal, then price structural fill by compacted cubic yard, not loose. For stormwater, we count trench excavation, bedding stone, pipe by linear foot, structures by each, and riprap by ton. Rock is the swing item: on hillside sites we show a rock allowance as an alternate rather than burying it in the dirt number. For a fuller breakout, see our sitework estimating services.
Framing and rough carpentry
Wood-framed apartments and townhomes dominate the residential side, so we take off walls by linear foot with plate count, then convert to studs by spacing. Headers, beams and hangers are counted each; sheathing and subfloor by sheet with a typical 5–8% waste. Floor trusses and roof trusses are taken off from the layout sheets, not scaled. On Durham's steep lots, we separate retaining walls and deck framing from the main structure so the numbers do not hide a significant cost. See framing estimating services for the line-item format.
MEP systems
Mechanical, electrical and plumbing takeoff is where a low bid usually hides. We count fixtures by type, devices by each, and pipe and duct by linear foot with fittings counted separately. For Durham's multifamily work, we separate common-area distribution from unit rough-in so you can see the per-unit cost. On commercial and lab-fit projects, we take off electrical gear, panels and feeders by size and length, and process piping by diameter. Our MEP estimating services team builds this division by division rather than as a lump sum.
Concrete and foundations
Footings, stem walls, slab-on-grade and elevated decks are priced separately because formwork and reinforcement ratios differ sharply. On Durham multifamily podiums, we take off slab thickness by pour strip, count dowels and waterstops by linear foot, and carry vapor barrier by square foot with lap. We show concrete by cubic yard with a typical 5–10% waste on formed elements and less on slabs placed from a pump. Rebar is taken off by bar size and total weight, not by the ton rounded up. Our concrete estimating services and foundation estimating services pages cover the takeoff structure.
Roofing and envelope
Roofing takeoff starts with slope and area, then adds hips, valleys, ridges and penetration count. We price underlayment by square, and flashing by linear foot, because those often get missed in a quick square-count bid. Durham's summer humidity and afternoon storms make air and water barriers a real line item, so we take off house wrap or fluid-applied membrane by square foot, tape and sealant by linear foot, and windows and doors by each with rough opening dimensions. Roofing estimating services covers the full assembly.
Scope gaps we see on Durham bids
- Rock excavation excluded or shown as a unit-price allowance that never gets reconciled against actual trench and footing depths.
- Dewatering and erosion control left out of the sitework scope, then added as a change order after the first rain.
- Vapor barrier and capillary break omitted under slab-on-grade, even though they are specified in the drawings.
- Firestopping and fire-rated assembly protection missing from the framing and drywall scopes, especially at shaft walls.
- Temporary power, hoisting and final cleaning not assigned to any trade, so each subcontractor assumes someone else has it.
- Testing, adjusting and balancing of mechanical systems shown in the spec but absent from the mechanical bid.
Free tool
Concrete volume calculator
Quick check for a single element. For a full drawing set, send the plans and we measure everything, including the items calculators miss.
Typical waste: 3–5% for slabs, 5–10% for footings and walls. Truck count assumes 10 CY loads; confirm load size with your ready-mix supplier.
Result
19.4CY
Net volume18.5 CY
Cubic feet500 CF
Ready-mix trucks (10 CY)2
80 lb bags (premix)875
Need the full takeoff with pricing? Upload your plans.
How it works
How we estimate a Durham project
- Read the full setArchitectural, structural, civil and MEP drawings, the geotechnical report and every addendum.
- Check Durham conditionsLocal code edition, site and drainage requirements, soils and any hazard rules are confirmed before the takeoff starts.
- Take off by CSI sectionQuantities measured and color-coded on the plans, so every number traces to a sheet.
- Price to DurhamMaterial and labor costs adjusted to the project ZIP code, or to your own supplier quotes and crew rates.
- Check and deliverA second estimator checks quantities before the estimate goes out.
Sample output
Sample takeoff: three-story wood-framed multifamily building, Durham
| Section | Line item | Qty | Unit |
|---|---|---|---|
| 03 30 00 | Slab-on-grade, 5 in. thick | 1,850 | SF |
| 03 30 00 | Footings, continuous | 420 | LF |
| 05 12 00 | Structural steel columns | 18 | EA |
| 06 10 00 | 2x6 wall framing, 16 in. O.C. | 3,240 | LF |
| 06 10 00 | Floor trusses | 2,150 | LF |
| 07 30 00 | Roof underlayment | 72 | SQ |
| 09 29 00 | Gypsum board, 5/8 in. Type X | 8,400 | SF |
| 22 11 00 | Domestic water piping, PEX | 1,260 | LF |
Worked example: slab-on-grade concrete for a Durham multifamily building
This example uses illustrative dimensions, not a real project. You have a rectangular building footprint of 120 ft by 48 ft, with a 5-inch slab-on-grade, a 12-inch thickened edge, and two interior bearing walls. The goal is to show how dimensions become a priced quantity with waste.
| Step | Calculation | Quantity | Unit |
|---|---|---|---|
| Slab area | 120 ft × 48 ft | 5,760 | SF |
| Slab volume | 5,760 SF × (5 in. ÷ 12) | 2,400 | CF |
| Slab volume | 2,400 CF ÷ 27 | 88.9 | CY |
| Edge volume | 2 × (120 + 48) ft × 1 ft × 0.5 ft ÷ 27 | 6.2 | CY |
| Interior wall footing | 2 × 48 ft × 1 ft × 0.5 ft ÷ 27 | 1.8 | CY |
| Subtotal | 88.9 + 6.2 + 1.8 | 96.9 | CY |
| Waste at 7% | 96.9 × 1.07 | 103.7 | CY |
We carry the waste factor on the placed volume, not on the formwork or reinforcement. Rebar for this slab is taken off separately by bar size and total weight, using the placing drawings rather than an assumed 40 lb per cubic yard. Vapor barrier is measured as the slab area plus a 6-inch lap at each edge, so 5,760 SF plus roughly 168 LF of edge lap, then converted to rolls. Formwork for the thickened edge is measured by linear foot of edge, not by square foot of slab.
On a Durham site, the footing depth may need to be extended if the geotechnical report calls for undercutting clay. We show that as a separate line item with a stated depth so you can see the cost before the first pour. If you want the same breakdown for your plans, get an estimate and we will return it in Excel and PDF, organized by CSI division.
FAQ
Durham construction estimating questions
What does a takeoff for a Durham multifamily project include?
We break the project into CSI MasterFormat divisions: sitework, concrete, masonry, framing, roofing, envelope, drywall, and MEP. Each line item carries a quantity, unit, and a short scope note. For multifamily, we separate unit rough-in from common-area distribution so you can see the per-unit cost. The deliverable is an Excel workbook and a PDF with marked-up plan sets, typically within 24–48 hours for most projects.
How do you handle Durham's clay and rock conditions in a sitework takeoff?
We take off stripping, unsuitable material removal, and structural fill as separate lines. Rock is shown as an allowance or alternate with an assumed depth, not buried in the dirt quantity. If the geotechnical report calls for undercutting, we add a line item with a stated depth. That way, when the field conditions differ, you can point to the assumption and adjust the number instead of absorbing it.
Where does the permit data on this page come from?
The permit figures come from the U.S. Census Bureau's Building Permits Survey for 2025, covering permits issued by the city itself for new privately-owned residential units only. That means the 4,483 units and the $1.3B permitted value exclude commercial, industrial, and non-residential work. It is a useful demand signal, but it is not a full picture of construction activity in Durham.
Do you price labor using Durham wages?
We use ZIP-code-adjusted material and labor pricing from RSMeans data, so the labor rates reflect the Durham market rather than a national average. That matters for trades where local crew availability is tight. We also note where a line item is material-only, labor-only, or both, so you can compare against your own subcontractor quotes without double-counting.
What file formats do you need to start a takeoff?
We work from PDF plan sets, CAD files, and specifications. If you have a marked-up set or a previous estimate, send it and we will follow your format. We return Excel and PDF, organized by CSI MasterFormat division, with marked-up plan sets so you can trace each quantity back to the drawing. For most projects, turnaround is 24–48 hours, and rush service is available.
Can you take off a project in Cary or Raleigh as well as Durham?
Yes. We cover the Triangle and the wider Piedmont corridor, including Raleigh, Cary, Chapel Hill, and the nearby cities listed on our North Carolina construction estimating page. The takeoff format is the same, but the pricing adjusts by ZIP code, and we note any county or city amendments that affect the scope, such as stormwater requirements or inspection sequencing.
How do you treat waste factors in a takeoff?
Waste factors are applied per material, not as a blanket percentage. We use typical ranges: 5–10% for formed concrete, 5–8% for sheathing and subfloor, 10% for tile and roofing, and 2–5% for structural steel. The waste is shown as a separate column so you can see the base quantity and the adjusted quantity. If you have a historical waste factor from your own projects, we can use that instead.
What is the biggest scope gap you see on Durham bids?
Rock excavation and dewatering are the most common. Bidders often exclude rock or carry a small allowance, then hit it during footing excavation. The second is firestopping and fire-rated assembly protection, which gets left out of both the framing and drywall scopes. We flag these gaps in a separate section of the estimate so you can decide whether to carry them or ask for clarification before you bid.
Do you provide a quantity takeoff only, without pricing?
Yes. Some clients want the quantities and units so they can apply their own pricing. We deliver the same Excel and PDF format, with the quantity columns filled and the rate columns left blank or removed. That is common for general contractors who have their own historical cost data and only need a second set of eyes on the measurements.
How do you handle MEP takeoff on a design-assist project?
On design-assist, we take off what is shown and note where the drawings are schematic. For example, we count fixtures and equipment, measure pipe and duct by linear foot, and list fittings separately. Where the design is incomplete, we state the assumption, such as a fixture count per unit or a duct size per ton, so you can see the basis. That keeps the estimate useful even when the drawings are not final.
Other North Carolina cities we cover
Popular services in Durham
Send your Durham project plans for a quote
Send your plans and specs and we will return a division-by-division takeoff in Excel and PDF, typically within 24–48 hours.
- We review the set and check for missing sheets or addenda.
- You get a quote with a price and a delivery date.
- You approve and we start the takeoff.
- You receive the Excel estimate and marked-up plans.