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Illinois · IL

Construction estimating services in Illinois

For Illinois contractors, builders and developers bidding residential, commercial and industrial work. Estimates are priced with ZIP-code-adjusted material and labor rates, organized by CSI MasterFormat division, and delivered in 24–48 hours for most projects.

25 Illinois citiesChicago to Wheaton
24–48 hours for most projectsTypical turnaround
Every CSI divisionSitework through MEP
Local pricingAdjusted to each ZIP code
Census BPS · 2025
New housing units permittedTop 6 Illinois cities
Chicago3,916
Champaign645
Joliet455
Aurora385
Elgin241
Naperville228
U.S. Census Bureau, Building Permits Survey, 2025 annual place data.
Real permit data

What affects construction estimates in Illinois?

Illinois estimates turn on Chicago-area labor rates and union agreements, frost depth and clay soils that drive foundation design, the adopted IBC and IECC editions enforced by local building departments, Lake Michigan and Mississippi River floodplain requirements, and material freight into downstate markets. Each is priced at the ZIP code where the work is built.

  • The 25 Illinois cities we track permitted 6,710 new housing units in 2025.
  • About 66% of those units were in buildings with two or more units; 34% were single-family.
  • Chicago: the biggest pipeline: 3,916 new housing units in 2025, down 10% against 2024, with about 91% in multifamily buildings.

Illinois is not one market. A takeoff for a Chicago high-rise core and shell, a Joliet distribution center, and a Champaign student housing project share CSI divisions but almost nothing else. Labor rates, permit review paths, soil conditions and material freight change the number at each address. We price to the ZIP code where the work is built, not to a state average.

Our takeoffs follow CSI MasterFormat divisions and arrive in Excel and PDF with marked-up plan sets, so your chief estimator can audit every quantity. Most projects are returned in 24–48 hours, and rush turnaround is available when a bid date moves up. We work from your drawings, specifications and addenda, and we flag scope gaps before you price them.

The Illinois residential permit picture reinforces the point. Across the 25 Illinois cities we cover, 6,710 new privately-owned residential units were permitted in 2025, down from 8,171 in 2024 — a 17.9% decline. Multifamily accounted for 4,453 units, or 66% of the total, against 2,257 single-family. Permitted value was $1.9B. That mix tells you where the plan volume is: Chicago permitted 3,916 units, down 10% against 2024, with about 91% in multifamily buildings, while Champaign grew 71% to 645 units and Joliet rose 29% to 455. A falling statewide total means more contractors chasing each invitation, so estimate accuracy wins more work than capacity does.

Whether you are pricing a podium multifamily building in Chicago, a wood-frame subdivision in Aurora, or a distribution center in Joliet, the same discipline applies: take off to your means and methods, break out labor and material, and separate general conditions from direct cost. Our deliverables are built to be audited, not just accepted.

Coverage
25 cities across Illinois
Deliverable
Excel estimate + marked-up PDF plans
Pricing basis
ZIP-code-adjusted material and labor pricing
Turnaround
24–48 hours for most projects
Software
Bluebeam Revu, PlanSwift, RSMeans data
01

For bidders. You have a hard bid date and incomplete documents. We return division-level quantities and pricing fast, with assumptions listed so you can qualify your proposal and avoid carrying another trade's scope.

02

For builders. You need buyout numbers that match how you actually build. We take off to your means and methods, break out labor and material, and separate general conditions from direct cost.

03

For owners. You are comparing budgets across Illinois sites. We give you a consistent MasterFormat format, ZIP-adjusted pricing and a clear basis of estimate so two locations can be compared line by line.

Illinois construction market

Illinois construction market and permit activity

Chicago remains a major commercial and industrial hub with a strong logistics and data-center pipeline. Residential permitting tells you where the crews and the plan volume are, which is where most bid invitations originate.

6,710New housing units permitted, 2025
−17.9%vs. 8,171 units in 2024
$1.9BPermitted residential construction value
66%In multifamily buildings (2+ units)

Source: U.S. Census Bureau, Building Permits Survey, annual place-level data for 2024 and 2025. Covers new privately-owned residential units in 25 of the 25 Illinois cities on this page; commercial and industrial work is not included.

Chicago: the biggest pipeline

3,916 new housing units in 2025, down 10% against 2024, with about 91% in multifamily buildings.

Champaign: fastest growth

From 378 units in 2024 to 645 in 2025, a 71% increase.

Aurora leads single-family

385 single-family units in 2025, the most of any city we cover in the state.

Statewide residential permits fell 17.9%

Across the 25 Illinois cities we cover, 6,710 new privately-owned residential units were permitted in 2025, down from 8,171 in 2024 — a 17.9% decline. Multifamily accounted for 4,453 units, or 66% of the total, against 2,257 single-family. Permitted value was $1.9B. For bidders, that mix matters: multifamily work concentrates in Type III and Type V wood-frame and podium construction, where framing, drywall and MEP quantities repeat floor to floor and a takeoff error multiplies. A falling total also means more contractors chasing each invitation, so estimate accuracy wins more work than capacity does.

Chicago dominates; Champaign and Joliet grew

Chicago permitted 3,916 units, down 10% against 2024, with about 91% in multifamily buildings. Champaign was the fastest-growing city we cover, from 378 units in 2024 to 645 in 2025, a 71% increase. Joliet rose 29% to 455 units, split 271 single-family and 184 multifamily. Aurora led single-family with 385 units, all single-family, though down 21%. Elgin fell 39% to 241 and Naperville fell 38% to 228. If you bid in Chicago you are pricing high-rise and mid-rise multifamily; in Champaign and Joliet you are pricing wood-frame and light commercial at a different labor and freight basis.

2024 vs. 2025

Where Illinois residential permits are rising and falling

Total new housing units by city. Sort by volume or by change to see which markets are heating up.

Chicago3,916-10%
Champaign645+71%
Joliet455+29%
Aurora385-21%
Elgin241-39%
Naperville228-38%
Springfield146+68%
Bolingbrook131+7%
Rockford124-8%
Tinley Park98-40%
Bloomington82-7%
Evanston44-32%
20242025
Cities we cover

Construction estimates in 25 Illinois cities

Each city page covers local permit activity, the projects contractors are bidding there, and the code and site factors that change the estimate.

Chicago

#1
3,916 units in 2025
▼ 10% vs 2024
371 single-family · 3,545 multifamily

Aurora

#2
385 units in 2025
▼ 21% vs 2024
385 single-family · 0 multifamily

Naperville

#3
228 units in 2025
▼ 38% vs 2024
224 single-family · 4 multifamily

Joliet

#4
455 units in 2025
▲ 29% vs 2024
271 single-family · 184 multifamily

Rockford

#5
124 units in 2025
▼ 8% vs 2024
124 single-family · 0 multifamily

Springfield

#6
146 units in 2025
▲ 68% vs 2024
106 single-family · 40 multifamily

Elgin

#7
241 units in 2025
▼ 39% vs 2024
201 single-family · 40 multifamily

Peoria

#8
36 units in 2025
Flat vs 2024
36 single-family · 0 multifamily

Champaign

#9
645 units in 2025
▲ 71% vs 2024
80 single-family · 565 multifamily

Waukegan

#10
13 units in 2025
▲ 550% vs 2024
13 single-family · 0 multifamily

Cicero

#11
2 units in 2025
0 single-family · 2 multifamily

Bloomington

#12
82 units in 2025
▼ 7% vs 2024
82 single-family · 0 multifamily

Arlington Heights

#13
43 units in 2025
▼ 87% vs 2024
18 single-family · 25 multifamily

Evanston

#14
44 units in 2025
▼ 32% vs 2024
10 single-family · 34 multifamily

Decatur

#15
3 units in 2025
Flat vs 2024
3 single-family · 0 multifamily

Schaumburg

#16
42 units in 2025
▼ 63% vs 2024
42 single-family · 0 multifamily

Bolingbrook

#17
131 units in 2025
▲ 7% vs 2024
131 single-family · 0 multifamily

Palatine

#18
7 units in 2025
▲ 40% vs 2024
3 single-family · 4 multifamily

Skokie

#19
3 units in 2025
▼ 99% vs 2024
1 single-family · 2 multifamily

Des Plaines

#20
12 units in 2025
▲ 300% vs 2024
12 single-family · 0 multifamily

Orland Park

#21
29 units in 2025
▲ 26% vs 2024
29 single-family · 0 multifamily

Tinley Park

#22
98 units in 2025
▼ 40% vs 2024
98 single-family · 0 multifamily

Oak Lawn

#23
11 units in 2025
▲ 1000% vs 2024
5 single-family · 6 multifamily

Berwyn

#24
5 units in 2025
▼ 17% vs 2024
3 single-family · 2 multifamily

Wheaton

#25
9 units in 2025
▼ 97% vs 2024
9 single-family · 0 multifamily
Single-familyMultifamily (2+ units)
Local factors

What changes a construction estimate in Illinois

Two identical buildings in Chicago and Springfield can price 20% apart before a single change order. These are the drivers we adjust for in every Illinois estimate.

Code adoption by jurisdiction

Illinois has no statewide building code; each municipality adopts and amends its own. Chicago enforces its own construction code and electrical code, while many suburbs adopt the IBC and IRC families with local amendments. Confirm the adopted edition and any local amendments with the building department having jurisdiction before you price fire ratings, egress and sprinkler scope, because the edition controls wall assemblies and plan review comments.

IBC · IRC · Chicago Construction Code · local building departments

Frost depth and clay soils

Northern Illinois frost depths drive footing elevations well below grade, and glacial clay and till require over-excavation or engineered fill on many sites. In the Chicago area, soft clays and old fill can push you to caissons or aggregate piers. Get a geotechnical report before pricing foundations. We take off footings, piers, backfill and dewatering from the soils report, not from a default detail.

frost depth · glacial clay till · geotechnical report · aggregate piers

Climate and winter conditions

Illinois winters add real cost: temporary heat, hoarding, concrete blankets and cold-weather curing, plus snow removal and mud control from November through March. The IECC climate zone varies across the state, which changes insulation R-values, glazing U-factors and air-barrier detailing. Confirm the adopted energy code edition with the local building department, then carry the seasonal protection costs as a line item rather than burying them in general conditions.

IECC climate zones · temporary heat · cold-weather concrete curing · snow removal

Labor rates and wage rules

Chicago-area labor rates run above downstate rates, and prevailing wage requirements apply to many publicly funded projects. Union agreements affect crew composition, overtime and shift work on commercial jobs. We price labor by trade and ZIP code rather than applying a single statewide factor, and we separate straight time from premium time so you can see where the money is. Confirm wage determinations with the awarding agency on public work.

prevailing wage · union agreements · Illinois Department of Labor · ZIP-adjusted labor

Permits, taxes and fees

Permit fees, review timelines and inspection requirements vary by city, county and township, and Chicago's review process differs from a collar-county suburb. Illinois sales and use tax treatment of construction materials, plus local tax add-ons, changes the material cost line. We price material net of tax and show tax separately so you can apply the correct rate. Verify current rates and permit fees with the local building department and the Illinois Department of Revenue.

Illinois Department of Revenue · local building department · permit fees · sales and use tax

Materials and freight

Chicago is a major rail and truck hub with deep supplier competition, but downstate sites in Peoria, Decatur and Bloomington carry higher freight and fewer ready-mix plants. Structural steel, precast, curtain wall and mechanical equipment lead times move pricing between bid and buyout. We quote material at the ZIP code of the project and note long-lead items so you can hold escalation or a bid validity period in your proposal.

ready-mix plants · structural steel · long-lead equipment · freight zones
Illinois estimating guide

How Illinois conditions show up in a takeoff, trade by trade

Illinois pricing is not a state average. Frost depth, clay soils, municipal code amendments and Chicago-area labor rates change quantities and unit costs at each address, so we take off to the ZIP code and the adopted code.

Sitework and foundations

In northern Illinois, frost depth drives footings below grade, and glacial clay and till often require over-excavation or engineered fill. We take off stripping, over-excavation, backfill, dewatering and undercut from the geotechnical report, not a default detail. In the Chicago area, soft clays and old fill can push you to caissons or aggregate piers, so we price both the shaft concrete and the spoil removal. Downstate, rock at shallow depth in parts of the state changes the excavation method. We separate earthwork by operation — cut, fill, haul, compact — so your means and methods drive the number. See our sitework estimating services for the full scope.

Framing and drywall

The Illinois residential permit mix is 66% multifamily, which means repeated floor-to-floor framing, sheathing, drywall and finish quantities. We take off studs by linear foot and plate count, sheathing by sheet, drywall by square foot with typical waste, and we separate Type III and Type V assemblies. In Chicago, fire-rated assemblies and shaft walls follow the Chicago Construction Code, so we tag each wall type to the drawing and the code reference. In Aurora and Joliet wood-frame subdivisions, we take off floor systems, roof trusses and shear panels to your framing plan. Drywall and lumber takeoffs are priced with ZIP-adjusted labor.

Electrical and mechanical

Chicago enforces its own electrical code, which requires conduit and metal-clad wiring methods in many occupancies, so a takeoff priced to the NEC alone will miss raceway, fittings and labor. We take off feeders, branch wiring, devices, panels and gear by count and length, and we price conduit and wire separately. On the mechanical side, Illinois heating loads dominate, and the adopted energy code affects equipment efficiency and ventilation. In multifamily buildings, we count fixtures and devices per unit type, then multiply by the unit mix. Our electrical estimating services break out gear, raceway and rough-in labor.

Concrete

Illinois concrete pricing turns on ready-mix plant distance, winter curing and reinforcement detailing. We take off footings, walls, slabs, columns and elevated decks by volume and form area, then add typical waste factors for formed elements. In Chicago, high-rise and mid-rise multifamily work means pump placement, deck finishing and cold-weather blankets from November through March. Downstate, fewer plants and longer hauls add to the delivered cost per cubic yard. We list mix designs, admixtures and curing methods as separate line items, and we flag post-tensioned or transfer-beam scope that needs a specialty contractor. Our concrete estimating services cover footings through elevated slabs.

Roofing and envelope

Illinois roofs take hail, wind and freeze-thaw cycles, and the adopted IECC edition sets insulation R-values and air-barrier detailing. We take off roof area by slope and system, including cover board, insulation, membrane, flashing and edge metal, and we separate tear-off from new construction. In the Chicago area, high-rise roofs add tapered insulation and roof-screen or paver scope. Downstate, steeper residential roofs and attic ventilation change the labor factor. Confirm the adopted energy code with the local building department before you price envelope upgrades. Our roofing estimating services and blueprint takeoff services cover both.

Scope gaps we see on Illinois bids

  • Over-excavation and engineered fill below footings, often missing when the geotechnical report is issued after the bid.
  • Temporary heat, hoarding, concrete blankets and snow removal for November-through-March work, buried in general conditions.
  • Chicago electrical code raceway and wiring-method requirements not carried when the estimate follows the NEC only.
  • Fire-rated assembly and shaft-wall scope omitted when the adopted code edition and local amendments are not confirmed.
  • Material sales and use tax treatment shown as included when the bid form requires it broken out separately.
  • Long-lead mechanical equipment, switchgear and curtain wall excluded without an escalation or bid-validity note.
  • Permit fees, plan review and inspection costs left to the owner when the contract assigns them to the contractor.
Services in Illinois

Estimating services for Illinois projects

Order a single trade or the whole building. Every estimate is organized by CSI MasterFormat and priced to your Illinois ZIP code.

Property types

Illinois property types and what to watch

The 2025 permit mix is 66% multifamily, so plan volume concentrates in Chicago high-rise and mid-rise, Champaign student housing and Joliet wood-frame subdivisions. Commercial and industrial demand follows the Chicago logistics and data-center pipeline.

Chicago multifamily

Chicago permitted 3,916 units in 2025, down 10%, with about 91% in multifamily buildings. Podium and high-rise work means concrete, curtain wall, elevator and MEP scope with long lead times.

Watch for: Podium transfer slabs, shaft walls, Chicago electrical code raceway and tower crane general conditions.

Champaign student housing

Champaign was the fastest-growing city we cover, from 378 units in 2024 to 645 in 2025, a 71% increase, with 565 multifamily units. Wood-frame and light-gauge construction repeats unit layouts.

Watch for: Unit-mix multipliers, corridor and common-area finishes, and summer turnover schedule compression.

Joliet and Aurora subdivisions

Joliet rose 29% to 455 units, split 271 single-family and 184 multifamily. Aurora led single-family with 385 units, all single-family, though down 21%. Lot and utility work drives early cost.

Watch for: Site utilities, lot grading, frost-depth footings and municipal code amendments by subdivision.

Industrial and data center

Chicago remains a major commercial and industrial hub with a strong logistics and data-center pipeline. These projects price on structural steel, slab flatness, power distribution and cooling.

Watch for: Steel and switchgear lead times, slab tolerances, and electrical gear procurement separated from install.

Who we provide estimates for

Who we estimate for in Illinois

General contractors

You need division-level quantities to qualify a hard bid and to compare subcontractor quotes line by line. We return CSI-organized takeoffs with marked-up plans so your chief estimator can audit every number.

Subcontractors

You bid concrete, framing, drywall or electrical from drawings that may be incomplete. We take off your scope only, flag what is missing, and price labor and material separately so you can adjust to your crew.

Developers

You are comparing sites in Chicago, Champaign and Joliet. We price each at its ZIP code with the same MasterFormat structure, so two locations can be compared line by line before you commit.

Owners and facility teams

You need a basis of estimate for budgeting and change-order review. We document assumptions, exclusions and unit costs so your team can challenge a contractor's number with the same takeoff.

Architects

You need order-of-magnitude numbers during design and a quantity check against your drawings. We take off from your issued set and report quantities by assembly, which helps you catch scope gaps before bid.

Public agencies and municipalities

Public work carries prevailing wage and documented bid forms. We separate straight time from premium time and show tax and permit costs as line items, so your bid tabulation stays comparable.

How it works

From Illinois plans to a bid-ready estimate

  1. Upload your plansPDF, DWG or a plan-room link, with specs, the geotechnical report and addenda if you have them.
  2. Get a quoteWe review the set and reply with a price and a delivery date before any work starts.
  3. We take off and priceQuantities by CSI section, priced to your Illinois ZIP code or your own supplier and labor rates.
  4. Receive your estimateExcel estimate and color-coded plans, checked by a second estimator.
Deliverables

What you receive

  • Excel estimate organized by CSI division with material, labor and equipment columns
  • Marked-up PDF plans, color-coded by trade so every quantity traces to a sheet
  • Illinois-specific line items where they apply, shown separately for review
  • Material lists ready for supplier quotes
  • Written scope, assumptions and exclusions to attach to your bid
Client reviews

What clients say about Scope Precision Estimate

10 client reviews
KM
Kevin MartinezCivil Contractor

Great experience from start to finish. The detailed material takeoff and cost estimate helped us prepare a much more accurate project budget.

DT
Daniel ThompsonCommercial Contractor

Very impressed with the accuracy and turnaround time. Their estimate gave us a clear picture of material and labor costs before starting the project.

SH
Steven HarrisCommercial Builder

The quality of the estimate exceeded our expectations. Their detailed breakdown of labor, materials, and project costs gave us confidence in our bid.

MA
Michael AndersonGeneral Contractor

The cost estimate was detailed, accurate, and easy to understand. It helped us prepare our bid confidently and stay competitive without overlooking important costs.

AW
Andrew WilsonGeneral Contractor

Highly recommended for construction cost estimating. The quantities were accurate, the pricing was well organized, and the final report was easy to review.

MD
Matthew DavisConstruction Manager

Their construction estimate was thorough and professionally prepared. It made our budgeting process much easier and helped us identify potential cost issues early.

FAQ

Illinois construction estimating questions

Do you price Illinois projects by ZIP code?

Yes. Material and labor pricing is ZIP-code-adjusted, so a takeoff for Chicago carries different labor and freight than one for Peoria or Decatur. We use RSMeans data as a baseline and adjust to the project ZIP, then show labor and material separately. That lets you compare our number against your own crew rates and against subcontractor quotes without unwinding a blended unit cost.

How fast is turnaround on an Illinois estimate?

Most projects are returned in 24–48 hours. Rush turnaround is available when a bid date moves up. Turnaround depends on the completeness of your drawings and specifications, so send the full set, including addenda and any geotechnical report. If the documents are partial, we list assumptions and exclusions in the deliverable so you know what to qualify in your proposal.

What format do you deliver takeoffs in?

Excel and PDF, organized by CSI MasterFormat division, with marked-up plan sets. Quantities, units and pricing sit in the spreadsheet so you can sort, filter and re-rate. The marked-up plans show what we measured and where, which makes the takeoff auditable by your chief estimator and useful when you negotiate a change order.

Which Illinois building codes do you price to?

Illinois has no statewide building code; each municipality adopts and amends its own. Chicago enforces its own construction and electrical codes, while many suburbs adopt the IBC and IRC families with local amendments. We price to the code edition stated in your documents, and we tell you to confirm the adopted edition and local amendments with the building department having jurisdiction before you finalize fire ratings, egress and sprinkler scope.

How do you handle prevailing wage on Illinois public work?

We separate straight time from premium time and price labor by trade and ZIP code rather than applying one statewide factor. On publicly funded projects, prevailing wage requirements and union agreements affect crew composition, overtime and shift work. We list those as line items and tell you to confirm the applicable wage determination with the awarding agency, because it controls the labor rate you can carry.

Do you take off concrete and foundations differently in northern Illinois?

Yes. Frost depth drives footings below grade, and glacial clay and till often require over-excavation or engineered fill. In the Chicago area, soft clays and old fill can push you to caissons or aggregate piers. We take off footings, piers, backfill and dewatering from the geotechnical report, not a default detail, and we price both the concrete and the spoil removal.

Can you estimate a Chicago high-rise or podium project?

Yes. Chicago permitted 3,916 residential units in 2025, with about 91% in multifamily buildings, so podium and high-rise work is common. We take off concrete, curtain wall, elevator, fire-rated assemblies and MEP scope by floor and by unit type. We flag long-lead items such as switchgear, elevators and curtain wall so you can hold escalation or a bid validity period.

What do you need from me to start an Illinois takeoff?

Send the architectural, structural, civil and MEP drawings, the specifications, any addenda, and the geotechnical report if you have it. Tell us the project ZIP code, the bid date, and your means and methods where they differ from the drawings. If you have a preferred trade breakdown or a bid form, include it, and we will structure the deliverable to match.

Where does the Illinois permit data on this page come from?

The figures come from the U.S. Census Bureau Building Permits Survey, annual place-level data. They count new privately-owned residential units only, not total construction or commercial activity. In 2025, the 25 Illinois cities we cover permitted 6,710 units, down from 8,171 in 2024, a 17.9% decline, with 4,453 multifamily units and 2,257 single-family units.

Do you estimate downstate projects as well as Chicago?

Yes. We cover Chicago, Aurora, Naperville, Joliet, Rockford, Springfield, Elgin, Peoria, Champaign, Waukegan, Cicero, Bloomington, Arlington Heights, Evanston, Decatur, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn and Wheaton. Downstate projects carry different freight and fewer ready-mix plants, and we price material at the ZIP code of the project rather than a state average.

RH

Reviewed by Ryan H.

Senior Estimator, 15+ years in construction estimating and cost planning.

  • Construction cost estimating
  • Quantity takeoffs
  • Material and labor cost analysis
  • Bid preparation and evaluation
  • Drawing and specification review
  • Project budgeting

Other states we cover

Send your Illinois plans for a takeoff

Send your drawings, specifications and project ZIP code, and we will return a CSI-organized takeoff with ZIP-adjusted pricing in 24–48 hours.

  1. We review the set and check for missing sheets or addenda.
  2. You get a quote with a price and a delivery date.
  3. You approve and we start the takeoff.
  4. You receive the Excel estimate and marked-up plans.
Upload plans for a quote
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