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Prevailing wage rates in Jo Daviess County, Illinois
IDOL's schedule for work performed on or after October 19, 2026 sets 72 rates across 32 trades for public works in Jo Daviess County. Of each trade's main rate, operating engineer is the highest at $113.65 an hour in base wage plus fringes, and glazier the lowest at $57.82.
IDOL's Jo Daviess County schedule, posted October 19, 2026. Illinois rates don't lock at bid: a revised rate applies to contracts already under way from its effective date (820 ILCS 130/4(l)). IDOL prints no total, so each total here is base plus fringes, added by us. Checked against labor.illinois.gov on October 24, 2026.
Jo Daviess County rates by trade, highest first
Each trade's main rate, highest first, split into the taxable wage and the fringe benefits IDOL lists. All bars share one scale. The table below lists the same rates A to Z with classifications.
- Operating Engineer$113.65
- Electrician$112.66
- Elevator Constructor$112.37
- Ironworker$103.28
- Sheet Metal Worker$99.19
- Telecom Technician$96.27
- Utility Lineman$96.17
- Fence Builder$93.97
- Plumber / Pipefitter$93.10
- Pile Driver$89.61
- Machinist$89.59
- Abatement Laborer$89.44
- Bricklayer$88.38
- Tuckpointer$88.38
- Millwright$87.69
- Carpenter$87.25
- Drywall Installer / Lather$87.25
- Roofer$86.03
- Cement Mason$84.78
- Boilermaker$84.16
- Plasterer$82.99
- Laborer$82.17
- Painter$80.26
- Marble Mason$78.32
- Terrazzo Worker$78.32
- Tile Setter$78.32
- Marble Finisher$73.28
- Terrazzo Finisher$73.28
- Tile Finisher$73.28
- Teamster (Truck Driver)$63.28
- Heat & Frost Insulator$62.31
- Glazier$57.82
All trades and classifications, A to Z
One main rate per trade, with its classification and base wage. Open a trade for its other classifications, overtime, work types and regions. Click a column heading to sort.
| Trade | Main classification | Base + fringes | Base | Rates |
|---|---|---|---|---|
| Asbestos & Lead Abatement Laborer · Ogle County group | Asbestos ABT-GEN (building) | $89.44 | $53.74 | 1 |
| Boilermaker · Champaign County group | Boilermaker (building) | $84.16 | $50.46 | 1 |
| Bricklayer · Winnebago County group | Brick Mason (building) | $88.38 | $51.96 | 2 |
| Carpenter · Lee County group | Carpenter (building) | $87.25 | $47.22 | 2 |
| Cement Mason · Ogle County group | Cement Mason | $84.78 | $43.62 | 1 |
| Drywall Installer / Lather · Lee County group | Lather (building) | $87.25 | $47.22 | 1 |
| Electrical Utility Lineman · DuPage County group | Electric Pwr Lineman | $96.17 | $65.92 | 4 |
| Electrician | Electrician (building) | $112.66 | $67.09 | 2 |
| Elevator Constructor · Winnebago County group | Elevator Constructor (building) | $112.37 | $67.95 | 1 |
| Fence Builder | Fence Erector | $93.97 | $46.60 | 1 |
| Glazier · Whiteside County group | Glazier (building) | $57.82 | $35.37 | 1 |
| Insulator (Heat & Frost / Asbestos Worker) · Rock Island County group | Heat/Frost Insulator (building) | $62.31 | $37.31 | 2 |
| Ironworker | Iron Worker | $103.28 | $50.74 | 2 |
| Laborer | Laborer (building) | $82.17 | $46.47 | 3 |
| Machinist · Cook County group | Machinist (building) | $89.59 | $61.89 | 1 |
| Marble Finisher · Winnebago County group | Marble Finisher (building) | $73.28 | $43.55 | 1 |
| Marble Mason · Winnebago County group | Marble Mason (building) | $78.32 | $46.94 | 1 |
| Millwright · Winnebago County group | Millwright (building) | $87.69 | $54.00 | 1 |
| Operating Engineer · DeKalb County group | Operating Engineer, Class 1 (building) | $113.65 | $60.75 | 14 |
| Painter · Winnebago County group | Painter | $80.26 | $49.05 | 1 |
| Pile Driver · Lee County group | Piledriver (building) | $89.61 | $49.58 | 2 |
| Plasterer · Ogle County group | Plasterer (building) | $82.99 | $44.02 | 1 |
| Plumber / Pipefitter · Winnebago County group | Plumber (building) | $93.10 | $57.69 | 3 |
| Roofer · Cook County group | Roofer (building) | $86.03 | $53.75 | 1 |
| Sheet Metal Worker · Winnebago County group | Sheetmetal Worker (building) | $99.19 | $56.70 | 1 |
| Teamster (Truck Driver) | Truck Driver, Class 1 (oil & chip) | $63.28 | $38.54 | 14 |
| Telecommunications Technician · Ogle County group | Communication Technician (building) | $96.27 | $52.49 | 1 |
| Terrazzo Finisher · Winnebago County group | Terrazzo Finisher (building) | $73.28 | $43.55 | 1 |
| Terrazzo Worker · Winnebago County group | Terrazzo Mason (building) | $78.32 | $46.94 | 1 |
| Tile Finisher · Winnebago County group | Ceramic Tile Finisher (building) | $73.28 | $43.55 | 1 |
| Tile Setter · Lee County group | Tile Mason (building) | $78.32 | $46.94 | 2 |
| Tuckpointer · Winnebago County group | Tuckpointer (building) | $88.38 | $51.96 | 1 |
IDOL's notes for Jo Daviess County
Copied from the “Explanations” part of the county schedule. They define the holidays, oil and chip work, and the boundaries of any regions inside the county.
Explanations
ELECTRICIANS (EAST) - Townships of Warren, Rush, Nora, Stockton, Wards Grove, Pleasant Valley and Berrenman.
IRONWORKERS (EAST) - That part of the county East of a North-South line from the North county line through Elizabeth, and East of a diagonal line from Elizabeth through Derinda Center to the South county line.
FENCE ERECTORS (EAST) - Same as Iron Workers above.
TRUCK DRIVERS (WEST) - That part of the county West of Rt. 78 including Stockton. The following list is considered as those days for which holiday rates of wages for work performed apply: New Years Day, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, Christmas Day and Veterans Day in some classifications/counties. Generally, any of these holidays which fall on a Sunday is celebrated on the following Monday. This then makes work performed on that Monday payable at the appropriate overtime rate for holiday pay. Common practice in a given local may alter certain days of celebration. If in doubt, please check with IDOL. Oil and chip resealing (O&C) means the application of road oils and liquid asphalt to coat an existing road surface, followed by application of aggregate chips or gravel to coated surface, and subsequent rolling of material to seal the surface.
Explanation of classes (10 sections)
CERAMIC TILE FINISHER, MARBLE FINISHER, TERRAZZO FINISHER Assisting, helping or supporting the tile, marble and terrazzo mechanic by performing their historic and traditional work assignments required to complete the proper installation of the work covered by said crafts. The term "Ceramic" is used for naming the classification only and is in no way a limitation of the product handled. Ceramic takes into consideration most hard tiles.
COMMUNICATIONS TECHNICIAN Installing, manufacturing, assembling and maintaining sound and intercom, protection alarm (security), fire alarm, master antenna television, closed circuit television, low voltage control for computers and/or door monitoring, school communications systems, telephones and servicing of nurse and emergency calls, and the installation and maintenance of transmit and receive antennas, transmitters, receivers, and associated apparatus which operates in conjunction with above systems. All work associated with these system installations will be included EXCEPT the installation of protective metallic conduit in new construction projects (excluding less than ten-foot runs strictly for protection of cable) and 120 volt AC (or higher) power wiring and associated hardware.
LABORER, SKILLED - HIGHWAY Individuals engaged in the following types of work, irrespective of the site of the work: asbestos abatement worker, handling of any materials with any foreign matter harmful to skin or clothing, track laborer, cement handlers, chloride handlers, the unloading and loading with steel workers and re-bars, concrete workers wet, tunnel helpers in free air, batch dumpers, mason tenders, kettle and tar men, tank cleaners, plastic installers, scaffold workers, motorized buggies or motorized unit used for wet concrete or handling of building materials, laborers with de-watering systems, sewer workers plus depth, rod and chainmen with technical engineers, rod and chainmen with land surveyors, rod and chainmen with surveyors, vibrator operators, cement silica, clay, fly ash, lime and plasters, handlers (bulk or bag), cofferdam workers plus depth, on concrete paving, placing, cutting and tying of reinforcing, deck hand, dredge hand, and shore laborers, bankmen on floating plant, grade checker, power tools, front end man on chip spreaders, cassion workers plus depth, gunnite nozzle men, lead man on sewer work, welders, cutters, burners and torchmen, chainsaw operators, jackhammer and drill operators, layout man and/or drainage tile layer, steel form setter - street and highway, air tamping hammermen, signal man on crane, concrete saw operator, screedman on asphalt pavers, laborers tending masons with hot material or where foreign materials are used, mortar mixer operators, multiple concrete duct - leadsman, lumen, asphalt raker, curb asphalt machine operator, ready mix scalemen (permanent, portable or temporary plant), laborers handling masterplate or similar materials, laser beam operator, concrete burning machine operator, coring machine operator, plaster tender, underpinning and shoring of buildings, pump men, manhole and catch basin, dirt and stone tamper, hose men on concrete pumps, hazardous waste worker, lead base paint abatement worker, lining of pipe, refusing machine, assisting on direct boring machine, the work of laying watermain, fire hydrants, all mechanical joints to watermain work, sewer worker, and tapping water service and forced lift station mechanical worker.
OPERATING ENGINEERS - BUILDING Class 1. Asphalt Plant; Asphalt Spreader; Autograde; Backhoes with Caisson Attachment; Batch Plant; Benoto (requires Two Engineers); Boiler and Throttle Valve; Caisson Rigs; Central Redi-Mix Plant; Combination Back Hoe Front End-loader Machine; Compressor and Throttle Valve; Concrete Breaker (Truck Mounted); Concrete Conveyor; Concrete Paver (over 27E cu. ft.): Concrete Paver (27 cu. ft. and under); Concrete Placer; Concrete Pump (Truck Mounted); Concrete Conveyor (Truck Mounted); Concrete Tower; Cranes, All; GCI and similar types (required two operators only); Cranes, Hammerhead; Creter Crane; Crusher, Stone, etc.; Derricks, All; Derricks, Traveling; Formless Curb and Gutter Machine; Grader, Elevating; Grouting Machines; Highlift Shovels or Front Endloader 2-1/4 yd. and over; Hoists, Elevators, outside type rack and pinion and similar machines; Hoists, one, two and three Drum; Hoists, Two Tugger One Floor; Hydraulic Backhoes; Hydraulic Boom Trucks; Hydro Vac (and similar equipment - excluding hose work and any sewer work); Locomotives, All; Lubrication Technician; Manipulators; Motor Patrol; Pile Drivers and Skid Rig; Post Hole Digger; Pre-Stress Machine; Pump Cretes Dual Ram; Pump Cretes: Squeeze Cretes - Screw Type Pumps, Gypsum Bulker and Pump; Raised and Blind Hole Drill; Rock Drill (self-propelled); Rock Drill - Truck Mounted; Roto Mill Grinder; Scoops - Tractor Drawn; Slipform Paver; Scrapers Prime Movers; Straddle Buggies; Tie Back Machine; Tractor with Boom and Side Boom; Trenching Machines. Class 2. Bobcat (over 3/4 cu. yd.); Boilers; Brick Forklift; Broom, All Power Propelled; Bulldozers; Concrete Mixer (Two Bag and Over); Conveyor, Portable; Forklift Trucks; Highlift Shovels or Front Endloaders under 2-1/4 yd.; Hoists, Automatic; Hoists, Sewer Dragging Machine; Hoists, Tugger Single Drum; Laser Screed; Rollers, All; Steam Generators; Tractors, All; Tractor Drawn Vibratory Roller; Winch Trucks with "A" Frame. Class 3. Air Compressor; Asphalt Spreader; Combination - Small Equipment Operator; Generators; Heaters, Mechanical; Hoists, Inside Elevators - (Rheostat Manual Controlled); Hydraulic Power Units (Pile Driving, Extracting, or Drilling - with a seat); Lowboys; Pumps, Over 3" (1 to 3 not to exceed total of 300 ft.); Pumps, Well Points; Welding Machines (2 through 5); Winches, 4 Small Electric Drill Winches; Bobcat (up to and including 3/4 cu. yd.). Class 4. Elevator push button with automatic doors; Hoists, Inside; Oilers; Brick Forklift. Class 5. Assistant Craft Foreman Class 6. Mechanics; Welders. Class 7. Gradall
OPERATING ENGINEERS - HIGHWAY CONSTRUCTION Class 1. Asphalt Plant; Asphalt Heater and Planer Combination; Asphalt Heater Scarfire; Asphalt Silo Tender; Asphalt Spreader; Autograder; ABG Paver; Backhoes with Caisson Attachment; Ballast Regulator; Belt Loader; Caisson Rigs; Car Dumper; Central Redi-Mix Plant; Backhoe w/shear attachments; Combination Backhoe Front Endloader Machine, (1 cu. yd. Backhoe Bucket or over or with attachments); Concrete Breaker (Truck Mounted); Concrete Conveyor; Concrete Paver over 27E cu. ft.; Concrete Placer; Concrete Tube Float; Cranes, all attachments; Cranes, Tower of all types; Creter Crane; Crusher, Stone, etc.; Derricks, All; Derrick Boats; Derricks, Traveling; Directional Boring Machine over 12"; Dredges; Formless Curb and Gutter Machine; Grader, Elevating; Grader, Motor Grader, Motor Patrol, Auto Patrol, Form Grader, Pull Grader, Subgrader; Guard Rail Post Driver Mounted; Hoists, One, Two and Three Drum; Hydraulic Backhoes; Hydro Vac, Self Propelled, Truck Mounted (excluding hose work and any sewer work); Lubrication Technician; Manipulators; Pile Drivers and Skid Rig; Pre-Stress Machine; Pump Cretes Dual Ram; Rock Drill - Crawler or Skid Rig; Rock Drill - Truck Mounted; Rock/Track Tamper; Roto Mill Grinder; Slip-Form Paver; Snow Melters; Soil Test Drill Rig (Truck Mounted); Straddle Buggies; GCI Crane; Hydraulic Telescoping Form (Tunnel); Tie Back Machine; Tractor Drawn Belt Loader; Tractor Drawn Belt Loader with attached pusher; Tractor with Boom; Tractaire with Attachments; Traffic Barrier Conveyor Machine; Raised or Blind Hole Drills; Trenching Machine (over 12"); Truck Mounted Concrete Pump with Boom; Truck Mounted Concrete Conveyor; Work Boat (no license required - 90 h.p. or above); Underground Boring and/or Mining Machines; Wheel Excavator; Widener (APSCO). Class 2. Batch Plant; Bituminous Mixer; Boiler and Throttle Valve; Bulldozers; Car Loader Trailing Conveyors; Combination Backhoe Front Endloader Machine (less than 1 cu. yd. Backhoe Bucket or over or with attachments); Compressor and Throttle Valve; Compressor, Common Receiver (3); Concrete Breaker or Hydro Hammer; Concrete Grinding Machine; Concrete Mixer or Paver 7S Series to and including 27 cu. ft.; Concrete Spreader; Concrete Curing Machine, Burlap Machine, Belting Machine and Sealing Machine; Concrete Wheel Saw (large self-propelled - excluding walk-behinds and hand-held); Conveyor Muck Cars (Haglund or Similar Type); Drills, all; Finishing Machine - Concrete; Highlift Shovels or Front Endloader; Hoist - Sewer Dragging Machine; Hydraulic Boom Trucks (All Attachments); Hydro Blaster; All Locomotives, Dinky; Off-Road Hauling Units; Non-Self Loading Dump; Ejection Dump; Pump Cretes: Squeeze Cretes - Screw Type Pumps, Gypsum Bulker and Pump; Roller, Asphalt; Rotary Snow Plows; Rototiller, Seaman, etc., self-propelled; Scoops - Tractor Drawn; Self-Propelled Compactor; Spreader - Chip - Stone, etc.; Scraper; Scraper - Prime Mover in Tandem (Regardless of Size); Tank Car Heater; Tractors, Push, Pulling Sheeps Foot, Disc, Compactor, etc.; Tug Boats. Class 3. Boilers; Brooms, All Power Propelled; Cement Supply Tender; Compressor, Common Receiver (2); Concrete Mixer (Two Bag and Over); Conveyor, Portable; Farm-Type Tractors Used for Mowing, Seeding, etc.; Fireman on Boilers; Forklift Trucks; Grouting Machine; Hoists, Automatic; Hoists, All Elevators; Hoists, Tugger Single Drum; Jeep Diggers; Low Boys; Pipe Jacking Machines; Post-Hole Digger; Power Saw, Concrete Power Driven; Pug Mills; Rollers, other than asphalt; Seed and Straw Blower; Steam Generators; Stump Machine; Winch Trucks with "A" Frame; Work Boats; Tamper - Form - Motor Driven. Class 4. Air Compressor - Small and Large; Asphalt Spreader, Backend Man; Bobcat (Skid Steer) all; Brick Forklift; Combination - Small Equipment Operator; Directional Boring Machine up to 12"; Generators; Heaters, Mechanical; Hydraulic Power Unit (Pile Driving, Extracting, or Drilling); Hydro-Blaster; Light Plants, All (1 through 5); Pumps, over 3" (1 to 3 not to exceed a total of 300 ft.); Pumps, Well Points; Tractaire; Trencher 12" and under; Welding Machines (2 through 5); Winches, 4 Small Electric Drill Winches. Class 5. Oilers and Directional Boring Machine Locator. Class 6. Field Mechanics and Field Welders Class 7. Gradall and machines of like nature.
TRUCK DRIVER - BUILDING, HEAVY AND HIGHWAY CONSTRUCTION - WEST Class 1. Drivers on 2 axle trucks hauling less than 9 ton. Air compressor and welding machines and brooms, including those pulled by separate units, truck driver helpers, warehouse employees, mechanic helpers, greasers and tiremen, pickup trucks when hauling materials, tools, or workers to and from and on-the-job site, and fork lifts up to 6,000 lb. capacity. Class 2. Two or three axle trucks hauling more than 9 ton but hauling less than 16 ton. A-frame winch trucks, hydrolift trucks, vactor trucks or similar equipment when used for transportation purposes. Fork lifts over 6,000 lb. capacity, winch trucks, four axle combination units, and ticket writers. Class 3. Two, three or four axle trucks hauling 16 ton or more. Drivers on water pulls, articulated dump trucks, mechanics and working forepersons, and dispatchers. Five axle or more combination units. Class 4. Low Boy and Oil Distributors. Class 5. Drivers who require special protective clothing while employed on hazardous waste work.
TRUCK DRIVER - BUILDING, HEAVY AND HIGHWAY CONSTRUCTION - EAST Class 1. Two or three Axle Trucks. A-frame Truck when used for transportation purposes; Air Compressors and Welding Machines, including those pulled by cars, pick-up trucks and tractors; Ambulances; Batch Gate Lockers; Batch Hopperman; Car and Truck Washers; Carry-alls; Fork Lifts and Hoisters; Helpers; Mechanics Helpers and Greasers; Oil Distributors 2-man operation; Pavement Breakers; Pole Trailer, up to 40 feet; Power Mower Tractors; Self-propelled Chip Spreader; Skipman; Slurry Trucks, 2-man operation; Slurry Truck Conveyor Operation, 2 or 3 man; Teamsters; Unskilled dumpman; and Truck Drivers hauling warning lights, barricades, and portable toilets on the job site. Class 2. Four axle trucks; Dump Crets and Adgetors under 7 yards; Dumpsters, Track Trucks, Euclids, Hug Bottom Dump Turnapulls or Turnatrailers when pulling other than self-loading equipment or similar equipment under 16 cubic yards; Mixer Trucks under 7 yards; Ready-mix Plant Hopper Operator, and Winch Trucks, 2 Axles. Class 3. Five axle trucks; Dump Crets and Adgetors 7 yards and over; Dumpsters, Track Trucks, Euclids, Hug Bottom Dump Turnatrailers or turnapulls when pulling other than self-loading equipment or similar equipment over 16 cubic yards; Explosives and/or Fission Material Trucks; Mixer Trucks 7 yards or over; Mobile Cranes while in transit; Oil Distributors, 1-man operation; Pole Trailer, over 40 feet; Pole and Expandable Trailers hauling material over 50 feet long; Slurry trucks, 1-man operation; Winch trucks, 3 axles or more; Mechanic--Truck Welder and Truck Painter. Class 4. Six axle trucks; Dual-purpose vehicles, such as mounted crane trucks with hoist and accessories; Foreman; Master Mechanic; Self-loading equipment like P.B. and trucks with scoops on the front.
TRUCK DRIVER - OIL AND CHIP RESEALING ONLY. This shall encompass laborers, workers and mechanics who drive contractor or subcontractor owned, leased, or hired pickup, dump, service, or oil distributor trucks. The work includes transporting materials and equipment (including but not limited to, oils, aggregate supplies, parts, machinery and tools) to or from the job site; distributing oil or liquid asphalt and aggregate; stock piling material when in connection with the actual oil and chip contract. The Truck Driver (Oil & Chip Resealing) wage classification does not include supplier delivered materials. Other Classifications of Work: For definitions of classifications not otherwise set out, the Department generally has on file such definitions which are available. If a task to be performed is not subject to one of the classifications of pay set out, the Department will upon being contacted state which neighboring county has such a classification and provide such rate, such rate being deemed to exist by reference in this document. If no neighboring county rate applies to the task, the Department shall undertake a special determination, such special determination being then deemed to have existed under this determination. If a project requires these, or any classification not listed, please contact IDOL at 217-782-1710 for wage rates or clarifications.
LANDSCAPING Landscaping work falls under the existing classifications for laborer, operating engineer and truck driver. The work performed by landscape plantsman and landscape laborer is covered by the existing classification of laborer. The work performed by landscape operators (regardless of equipment used or its size) is covered by the classifications of operating engineer. The work performed by landscape truck drivers (regardless of size of truck driven) is covered by the classifications of truck driver.
MATERIAL TESTER & MATERIAL TESTER/INSPECTOR I AND II Notwithstanding the difference in the classification title, the classification entitled "Material Tester I" involves the same job duties as the classification entitled "Material Tester/Inspector I". Likewise, the classification entitled "Material Tester II" involves the same job duties as the classification entitled "Material Tester/Inspector II".
Work that no listed trade covers: IDOL “will … state which neighboring county has such a classification”. Call IDOL at 217-782-1710.
Davis-Bacon wage determinations for Jo Daviess County
Federally funded or assisted construction here uses the U.S. Department of Labor's rates. When a contract requires both the state rate and the Davis-Bacon rate, paying the higher of the two meets both. The contract documents say which apply. Each trade's page shows its federal rate next to IDOL's.
| Construction | Wage determination | Modification | Published |
|---|---|---|---|
| Building | IL20260001 Excludes Landscape projects for Boone and Dekalb Counties | 6 | October 22, 2026 |
| Residential | IL20260026 | 1 | May 18, 2026 |
| Highway | IL20260012 Heavy Construction Highway Construction | 2 | July 30, 2026 |
| Heavy | IL20260012 Heavy Construction Highway Construction | 2 | July 30, 2026 |
Specialty WDs also cover Jo Daviess County for narrow kinds of work, and don't stand in for the rates above: IL20260018 (ILLINOIS, INDIANA, MICHIGAN, MINNESOTA, NEW YORK, OHIO, PENNSYLVANIA AND WISCONSIN / DREDG); IL20260019 (Dredging Construction Projects: Dredging the following rivers and their tributaries, the K).
Questions about Jo Daviess County rates
How much does an electrician make on prevailing wage in Jo Daviess County?
$112.66 an hour: a $67.09 base wage plus $45.57 in fringe benefits, for the main classification, under IDOL's county schedule. Overtime and every electrician rate in Jo Daviess County.
What is the prevailing wage for a laborer in Jo Daviess County?
$82.17 an hour: a $46.47 base wage plus $35.70 in fringe benefits, for the main classification, under IDOL's county schedule. Overtime and every laborer rate in Jo Daviess County.
Does the prevailing wage include fringe benefits?
Yes. The rate is a base wage plus fringe benefits, and the employer owes both for every hour. For operating engineer, the highest-paid trade in Jo Daviess County, the $113.65 total is a $60.75 base wage plus $52.90 in fringe benefits.
Do Davis-Bacon rates apply in Jo Daviess County?
On federally funded or assisted construction, yes: IL20260001 (modification 6, October 22, 2026) for building construction, IL20260026 (modification 1, May 18, 2026) for residential construction and IL20260012 (modification 2, July 30, 2026) for highway and heavy construction. When a contract requires both the state rate and the Davis-Bacon rate, paying the higher of the two meets both. The contract documents say which apply.
Does Jo Daviess County share its rates with other counties?
For 27 of its 32 trades, yes: IDOL sets the same rates, row for row, in other counties too. Carpenter rates, for example, are the same in 5 counties (the Lee County group). The other 5 are Jo Daviess County's own.