Cook County Building Permits & Contractor Leads

11,748 indexed permits · 1,253 active contractors · Cook County, Illinois.

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Cook County building permits — key stats
Permits (last 90 days) 1,823
Total permit value (90d) $97,073,452
Active contractors 1,253
Newest permit 2026-08-05

PermitGrab tracks 1,253 active contractors who pulled 11,748 building permits in Cook County, IL as of 2026-08-05. Updated daily.

✓ Up to date · Updated daily • newest record from 2d ago

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Filter Cook County leads by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

Free weekly permit summary for Cook County

One email a week with the newest Cook County building permits — contractors, addresses, and project values. No credit card, unsubscribe anytime.

Cook County building permit activity

253 building permits were filed in Cook County over the last 30 days — down 82.3% from the prior 30 days, with $2,895,920 in declared project value across the 39 that report a cost. Over 90 days: 1,823 permits worth $97,073,452.

Most active contractors (last 6 months)

  1. DUBOIS PAVING CO — 80 permits
  2. COLONY LAKE CLUB HOA — 32 permits
  3. TOWNE PLACE EAST HOMEOWNERS — 32 permits
  4. EXEMPT — 16 permits
  5. SIMON PROPERTY GROUP — 15 permits
  6. A & M FENCE CORP — 14 permits
  7. SUNRUN INSTALLATION SERVICES — 12 permits
  8. CLTC TRUST #3221 — 11 permits
  9. D R HORTON MIDWEST INC — 11 permits
  10. KING HVAC SYSTEMS LLC — 10 permits
Biggest project this month
$1,695,158 · MANEVAL CONSTRUCTION CO. INC
11,748
Indexed Permits
1,253
Active Contractors
2026-06-18
Last Updated
Updated recently · 2026-08-05

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All permits

Permit data through 2026-08-05
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11,748 records — permits and code violations sorted by date

Date Type Value Address Details Contractor / Status Save
2025-12-18 Structural $60,000 3514 W POTOMAC AVE, CHICAGO, IL SPR 2019 CBC CONSTRUCT A SECOND FLOOR TYPE VA FRAME DORMER ADDITION OVER THE EXI… NATHAN WEIL
2025-12-18 HVAC/Mech $10,452 3516 N WILSHIRE DR, HOFFMAN ESTS.,IL.,60192 FURNACE REPLACEMENT furnace replacement hvac_replacement JEFF JACOBS
2025-12-18 HVAC/Mech $11,656 1290 ROSEDALE LN, HOFFMAN ESTATES, IL 60169 REMOVE AND REPLACE 9 WINDOWS. NO SIZE CHANGES. replacement hvac_replacement JEFFREY TALAPA
2025-12-18 HVAC/Mech $10,500 707 W 60TH ST, CHICAGO, IL
Owner: CHU··· 🔒
PURPOSE NEW/REPLACEMENT INSTALLATION. WROUGHT IRON FENCE - 5-5 HEIGHT X 48-1 L… replacement hvac_replacement MAXWELL TIFFANY
2025-12-18 Plumbing $3,500 3901 TOWER DR #B105, RICHTON PARK, IL 60471 FIRE DAMAGE PLUMBING REPAIR ART PLUMBING
2025-12-18 General Construction $30,000 6 N ELMHURST RD, PROSPECTHEIGHTS, IL 60070 TENANT BUILD OUT CR9, INC
2025-12-18 General Construction $1,500 2628 S 59TH AVE, CICERO, IL 60804 GUT OUT WALLS ON 1ST AND 2ND FLOORS. 2628 S 59TH LLC
2025-12-18 General Construction — 323 S ELM ST, MOUNT PROSPECT, IL 60056 EV CAR CHARGER NATALIA VELYCHKO
2025-12-18 Plumbing $7,605 951 MULFORD ST , EVANSTON, IL 60202 SANITARY SEWER REPAIR CLEANOUT INSTALL line work new JESSICA HUTH
2025-12-18 Fence $1,608 1209 N EAST AVE OAK PARK IL, OAK PARK, IL 60302 A FENCE IS BEING CONSTRUCTED WEED TRUST
2025-12-18 General Construction $12,043 1717 E PEACHTREE DR, ARLINGTON HEIGHTS, IL 60004 ALTERATION, REMODEL, REPAIR JAMES VACCARO
2025-12-18 General Construction $12,043 1717 E PEACHTREE DR, ARLINGTON HEIGHTS, IL 60004 . JAMES VACCARO
2025-12-18 Signage $5,000 11151 COTTONWOOD DR 19A, PALOS HILLS, IL 60465 SIGN AND CONCRETE PIER 8211 CHESTNUT CAROLYN T GREENFIELD
2025-12-18 General Construction $15,000 120 BOBBY LN, MOUNT PROSPECT, IL 60056 BATHROOM REMODEL GREGORY BAACKES
2025-12-18 Roofing $16,005 18018 POPLAR LANE, COUNTRY CLUB HILLS, IL 60478 ROOF SHAUNTAE WARD
2025-12-18 Fence — 919 N HARVEY AVE OAK PARK IL, OAK PARK, IL 60302 INSTALLATION OF 7 OF 4 HIGH WOOD FENCE JAMES R BYINGTON / DEBRA BYINGTON
2025-12-18 Windows/Doors $3,587 132 JOSLYN DR, ELGIN, IL 60120 WINDOW SANCHEZ, JOSE
2025-12-18 HVAC/Mech $6,301 714 HACKBERRY CT, BARTLETT, ,BARTLETT, IL 60103 REPLACE FURNACE furnace replacement hvac_replacement ERNESTINA GOTT
2025-12-18 Plumbing $3,370 3524 S CENTRAL AVE, CICERO, IL 60804
Owner: FAY··· 🔒
REPL MAIN VALVE FOR WATER. UPGRADE WATER HEATER. INSTALL A NEW FAUCET FOR MOP SI… standard new water_heater WILLIAMS MARSHALL
2025-12-18 Fire Protection — 600 W CHICAGO AVE, CHICAGO, IL
Owner: CW ··· 🔒
FIRE ALARM REPAIR EXISTING SYSTEM. AFFECTS 0 DWELLING UNITS 1 NON-RESIDENTIAL UN… hvac_repair GROGAN WILLIAM
2025-12-18 General Construction $15,461 5640 FERNWOOD CT, MATTESON, IL 60443 CLEANOUT AND LINER INSTALLATION WILLIE J HORTON JR
2025-12-18 HVAC/Mech $175,000 2727 E 92ND ST, CHICAGO, IL REPLACE PERMIT 101024610 DUE TO CHANGE IN SCOPE. INT. REMODEL, BUILD-OUT REPAIR… replacement JAMES LEWIS
2025-12-18 HVAC/Mech $8,337 1275 FREEMAN RD, HOFFMAN ESTS., IL., 60192
Owner: HAL··· 🔒
REPLACE EXISTING FURNACE furnace replacement hvac_replacement GERALD HALLSTEN
2025-12-18 General Construction $2,300 715 E VALLEY LN, ARLINGTON HEIGHTS, IL 60004 ALTERATION, REMODEL, REPAIR ANTHONY POPE
2025-12-18 General Construction $2,300 715 E VALLEY LN, ARLINGTON HEIGHTS, IL 60004 . ANTHONY POPE
2025-12-18 Electrical $2,000 230 W MONROE ST, CHICAGO, IL
Owner: LIN··· 🔒
LINE VOLTAGE ELECTRICAL WORK. REPAIR OR ALTER DEVICES ON EXISTING CIRCUITS. RECE… LBJ MONROE LLC
2025-12-18 General Construction $415,036 2145 SHERIDAN RD , EVANSTON, IL 60208 INTERIOR REMODEL- NORTHWESTERN INSTITUTE TECH BUILDING NORTHWESTERN UNIV
2025-12-18 HVAC/Mech $8,000 1208 REMINGTON RD, SCHAUMBUR, SCHAUMBURG, IL 60173 AIR CONDITIONING - LIKE KIND 1207 REMINGTON LLC
2025-12-18 HVAC/Mech $2,695 1631 CHICAGO AVE , EVANSTON, IL 60201 PLACE 8 TALL CONSTRUCTION FENCE AROUND BUILDING WITH SCREEN. N S RETIREMENT IRMCO
2025-12-18 Roofing $9,600 304 AMHERST AVE_X000D_ DES PLAINES, DES PLAINES, IL 60016 ROOF RESIDENTIAL RE-ROOF replacement reroof KATHY KASPRYK
2025-12-18 Electrical $1,400 1817 S. CLINTON AVENUE, BERWYN, IL 60402 COMPLIANCE- MAIN LEVEL BATHROOM ELECTRICAL OUTLET TO BE MADE GFCI PROTECTED TYPE… replacement JAMES HIGGINS
2025-12-18 Electrical $1,400 1817 S. CLINTON AVENUE, BERWYN, IL 60402 COMPLIANCE- MAIN LEVEL BATHROOM ELECTRICAL OUTLET TO BE MADE GFCI PROTECTED TYPE… replacement JAMES HIGGINS
2025-12-18 Fence $350,000 3756 W SUNNYSIDE AVE, CHICAGO, IL SPR 2019 CBC. ERECT A NEW 2 STORY SINGLE FAMILY FRAME RESIDENCE W/ BASEMENT. NEW… STX CONSTRUCTION & PLUMBING INC
2025-12-18 Fence $1,675 220 KEMAH LN, SCHAUMBURG, IL, SCHAUMBURG, IL 60193 FENCE SAAM, KENNETH
2025-12-18 HVAC/Mech $6,500 1250 DORCHESTER LN, HOFFMAN ESTATES, IL 60169 REPLACE FURNACE furnace replacement hvac_replacement SUBRAMANIAN NARASIMHAIYER
2025-12-18 General Construction $10,394 1230 LATHROP AVE, VILLAGE OF RIVER F, IL 60305 BATHROOM RENOVATION MARC TALLEUX
2025-12-18 Roofing $2,664 12322 S 75TH AVE, PALOS HEIGHTS, IL 60463 GUTTERS/SOFFIT/FASCIA RYAN REINKE
2025-12-18 HVAC/Mech — 11951 WILLOW RIDGE DR, WILLOW SPRINGS, IL 60480 3 PATIO DOOR REPLACE replacement hvac_replacement LARRY MARTINEZ
2025-12-18 Plumbing — 1607 S 51ST AVE, CICERO, IL 60804 DECONVERT BSMT KITCHEN, REMOVE ALL FIXTUES. INSTALL LAUNDRY SINK. DECONVERT ATTI… new BILLIE AND JUAN SUAREZ
2025-12-18 Windows/Doors $4,200 1519 S 61ST CT, CICERO, IL 60804 REPL 7 WINDOWS THROUGHOUT 1ST FL AND BASEMENT. MARIA C RODRIGUEZ
2025-12-18 Fence $2,200 15331 DIEKMAN , DOLTON, IL 60419 INSTALL 146FT OF TREATED PINE GOGEAR FENCE 6FT HEIGHT YVONNE STEVENSON
2025-12-18 Electrical $66,110 1600 MCCORMACK DR, HOFFMAN ESTATES, IL 60169 PROPOSED ZAYO FIBER OPTIC CONDUIT INSTALLATION new ZAYO GROUP
2025-12-18 Electrical $43,362 1762 HASSELL RD, HOFFMAN ESTATES, IL 60169 PROPOSED ZAYO FIBER OPTIC CONDUIT INSTALLATION new ZAYO GROUP
2025-12-18 Electrical $46,728 2306 HASSELL RD, HOFFMAN ESTATES, IL 60169 PROPOSED ZAYO FIBER OPTIC CONDUIT INSTALLATION new ZAYO GROUP
2025-12-18 Plumbing $1,450 809 ROBINSON AVE, STREAMWOOD, IL 60107 WATER HEATER REPLACEMENT standard replacement water_heater KS BUILDERS CORPORATION
2025-12-18 Plumbing $1,450 809 ROBINSON AVE, STREAMWOOD, IL 60107 WATER HEATER REPLACEMENT standard replacement water_heater KS BUILDERS CORPORATION
2025-12-18 General Construction $10,000 3015 N HAMILTON AVE, CHICAGO, IL REVISION TO PERMIT 101052096 TO ADD METAL PERGOLA ON 2 CAR FRAME GARAGE AT 2 ST… HAMILTON PARK VIEW LLC
2025-12-18 General Construction $17,230 809 ROBINSON AVE, STREAMWOOD, IL 60107 REMODELING GENERAL KS BUILDERS CORPORATION
2025-12-18 General Construction $17,230 809 ROBINSON AVE, STREAMWOOD, IL 60107 REMODELING GENERAL KS BUILDERS CORPORATION
2025-12-18 Fire Protection — 600 W CHICAGO AVE, CHICAGO, IL
Owner: CW ··· 🔒
FIRE ALARM MODIFICATION OF EXISTING SYSTEM. ASSOCIATED BUILDING PERMIT101075988.… ROSENBLUM DANA
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Top Contractors

Most active contractors by permit volume — last 90 days of activity shown in parentheses. Contact details are available for 11 of 20 businesses below.

🆕 New this week
Contractor Permits (90d) Trade Avg Value Contact
1. SUNRUN INSTALLATION SERVICES 1 permits/30d 36 (10) Solar $22,193 —
2. EXEMPT 34 (5) HVAC $61,747 —
3. KING HVAC SYSTEMS LLC 📞 27 (3) HVAC $9,965 🔒 Reveal
4. RENEWAL BY ANDERSEN, LLC 📞 21 (2) Windows & Doors $29,490 🔒 Reveal
5. KEVIN SZABO JR PLUMBING INC. 📞 17 (2) Plumbing $5,621 🔒 Reveal
6. DOORNBOS HEATING & AIR… 15 (1) HVAC $14,571 —
7. PERMA-SEAL BASEMENT SYSTEMS, INC. 📞 14 (2) Plumbing $14,294 🔒 Reveal
8. FOUR SEASONS HEATING & AIR… 📞 14 (2) HVAC $10,306 🔒 Reveal
9. DRF TRUSTED PROPERTY SOLUTIONS 10 (3) Plumbing $2,196 —
10. CASTLE RIDGE BUILDERS 10 (2) Plumbing $1,320 —
11. ETRUSCAN EXTERIORS CORPORATION 10 (2) Roofing $40,340 —
12. ILLINOIS FENCE COMPANY 9 (4) HVAC $8,609 —
13. ADVANCED FENCE & GATE 📞 6 (2) Landscaping & Exterior $11,668 🔒 Reveal
14. LEGACY RESTORATION LLC 📞 6 (2) Roofing $11,148 🔒 Reveal
15. REESHA PRINTING & SIGNS INC 📞 6 (1) Signage $3,625 🔒 Reveal
16. BILL'S PLUMBING AND SEWER, INC. 6 (1) HVAC $11,261 —
17. FOUR SEASONS HEATING & AIR INC. 📞 6 (1) HVAC $9,455 🔒 Reveal
18. FORTIS GROUND WERKS 6 (1) — $10,042 —
19. FRAZIER RESIDENTIAL CONCRETE 📞 5 (3) HVAC $9,820 🔒 Reveal
20. NORTHWEST CEDAR PRODUCTS 📞 5 (1) HVAC $9,380 🔒 Reveal

Viewing 20 of 20 contractors in Cook County

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Construction Activity in Cook County

New building permits in Cook County, Illinois indicate upcoming construction projects. Contractors can identify subcontracting opportunities by monitoring recently issued permits for residential renovations, commercial buildouts, and new construction. Early outreach to permit holders often results in higher close rates before projects go to competitive bid.

About Cook County Building Permits

Cook County, Illinois processes thousands of building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 11748+ Cook County building permits — updated daily from official city sources.

Every new construction project in Cook County requires a building permit before work can begin. These public records include the project address, scope of work, estimated cost, and often the general contractor's name — making them valuable leads for subcontractors looking for new projects in Cook County.

How Contractors Use Cook County Permit Data

HVAC contractors, electricians, plumbers, and roofers in Cook County use building permit data to find projects before they hit traditional lead services. When a new commercial buildout or residential renovation permit is filed, it signals upcoming work that needs subcontractors.

Instead of competing for shared leads on HomeAdvisor or Angi, contractors who monitor Cook County building permits can reach out to general contractors the day a permit is issued — before anyone else calls. This first-mover advantage leads to higher close rates and better project selection.

PermitGrab sends daily email alerts filtered by trade, so Cook County electrical contractors only see electrical permits, HVAC contractors only see mechanical permits, and so on.

Reviewed by Marcus Reeves · Page data current as of · Sources: official Cook County open data portal.

Who appears in Cook County permit records this week?

The most active contractors filing in Cook County right now include SUNRUN INSTALLATION SERVICES, EXEMPT, KING HVAC SYSTEMS LLC, RENEWAL BY ANDERSEN, LLC and KEVIN SZABO JR PLUMBING INC.. PermitGrab tracks 1,253 active contractors across the metro. New records appear as they are available from the source.

How fresh is Cook County permit data?

The most recent permit indexed for Cook County is dated 2026-08-05. Updated daily • newest record from 2d ago. Permit records carry filing date, address, project value, permit type, and contractor name where the source publishes it, so a fresh row is a current project signal.

What construction is happening in Cook County right now?

Cook County permit activity covers 11,748 indexed permits. The mix spans new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, and tenant improvements — every record is a buying signal for a different contractor or supplier persona.

1 play that work in Cook County

Start with the permit signal.

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The competitor watch

Search a business name to review its recorded permit activity in Cook County — where it is working and the project details the public source publishes. Use the signal to research follow-on work at each address.

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How to look up Cook County building permits

Search recent Cook County, IL building permits by address, contractor, and permit type in the table above — pulled from the Cook County building department's public permit records. New filings appear here as they are published. Filter by trade or search an address to look up a specific permit. For this week's filing volume and the most active contractors, see the Cook County Permit Pulse.

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Frequently Asked Questions about Cook County Building Permits

How many building permits does PermitGrab track in Cook County?

PermitGrab currently tracks 11748 building permits in Cook County, Illinois. Data is pulled directly from the official municipal source on every collection cycle and includes permit number, address, permit type, status, estimated value, and contractor information where the source publishes it.

How fresh is the Cook County permit data?

PermitGrab checks the official source on each collection cycle. The source date and its observed update cadence are shown above, so you can judge the data’s recency before acting on it.

How can contractors find construction leads in Cook County?

Contractors find leads in Cook County by filtering PermitGrab by trade and ZIP code, then researching the recorded contractor and project activity. Contact details appear only where a business profile has been publicly verified; saved-search email alerts track new matching records as they are published.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to Cook County — CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. Contractor phone and website reveals are included where verified. Card required to start; cancel anytime before day 14.

Can I cancel anytime?

Yes. Cancel any time from your account page — no contracts, no cancellation fees. Your subscription stays active through the end of the current billing period.

Who buys this data?

Cook County permit data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

Contractors & subs
Recent Cook County contractor activity is a signal for labor and material demand. Contact details appear only where publicly verified.
Home service companies
A Cook County addition or remodel signals an HVAC, plumbing, or warranty upsell window. Research the project signal before outreach.
Solar installers
Roof permits and electrical upgrades in Cook County are high-intent solar lead signals. Filter by the current project signal and verify ownership separately.
Insurance agents
Cook County renovations trigger updated dwelling-coverage limits. Get the address-level signal before the renewal cycle does.
Material suppliers
Lumber, drywall, roofing, fixtures — every Cook County permit is a parts list. Build a route by job type and value tier.
Developers & new construction
Ground-up builds in Cook County mean a long runway of subcontractor and material orders. Sort new-construction permits by project value and reach the GC before the trades are locked.
Free resources

More on Cook County & U.S. construction activity

U.S. Construction Permit Pulse
Our 90-day data report: permit volume by metro, hottest trades, and average project values. Free to read and cite.
Free permit tools
Live permit checker, national pulse dashboard, and a free city-by-city volume lookup — no signup required.
Permit activity badge
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More Illinois permit data

Chicago permits Evanston permits Naperville permits Lake County permits Palatine permits Streamwood permits Rosemont permits Columbia permits COUNTRYSIDE permits Dolton permits

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