How many verified contractors does ProFix list in Naperville, IL?

ProFix currently lists 20 verified gold-tier contractors serving Naperville, IL. This city page covers DuPage County, 149,540 residents, and 1 trade category from the current local pro shard. Use it to compare profiles, local Q&A, and state-level licensing before requesting quotes.

Local pros in Naperville, IL

DuPage County, Illinois. Population 149,540.

Updated June 2026what's new

DuPage CountyFIPS 1751622149,540 residents

Top verified pros in Naperville, IL

20 gold-tier pros (confidence score 80+ — full NAP, license, and multi-source coverage). Ranked by ProFix data-confidence: complete licensed contact details and multi-source public-record coverage; ProFix verifies state licenses where available; never by payment.

Trade breakdown

Water/Fire/Mold Restoration: 20

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Top 10 Water/Fire/Mold Restoration in Naperville, IL

Ranked by ProFix data-confidence: complete licensed contact details and multi-source public-record coverage; ProFix verifies state licenses where available; never by payment.

Data-derived local notes

Hiring context for Naperville, IL

Naperville is a large-city page in the top-2,000 launched-state city set, ranked #181 by the population value in all-cities.json. The city record places it in DuPage County; the pro counts below are exact city-name matches from the IL gold shard.

Population in seed: 149,540.
Matched pro records: 24.
24/7 emergency flag count: 0.
Top matched trade buckets: Water/Fire/Mold Restoration (24).
DuPage County hub has 48 state-shard records.

Trade counts from the shard

Water/Fire/Mold Restoration: 24

0 records carry the 24/7 emergency flag.

County and permits

Naperville is in DuPage County. This seed does not name a city-specific permit office, so use the authority having jurisdiction for the job address and cross-check state licensing through Illinois Department of Financial & Professional Regulation (IDFPR).

DuPage County hub Illinois Department of Financial & Professional Regulation (IDFPR)

Phone: +1-888-473-4858

Code adoption checks

State code context for Naperville comes from the Illinois NEC / IRC / IECC seed. Current adoption values in the seed: NEC: not specified; IRC: not specified; IECC: IECC 2024. The permit date and local amendments still control the job.

Seasonal scheduling notes

Illinois's seasonal seed describes the climate zone as "Humid continental Midwest with severe storms, winter freezes, and humid summers". For Naperville, the highlighted windows below are selected from hvac service / install, roofing, and exterior paint / siding because those projects match either the city's top trade counts or the highest-urgency state calendar entries.

HVAC service / install
Ideal: March, April, September, October, January, February · High urgency
Roofing
Ideal: May, June, September, October · High urgency
Exterior paint / siding
Ideal: May, June, September · Medium urgency

View state seasonal calendar →

Climate resilience context

Naperville uses the Illinois state resilience seed. The scenarios linked to this city page are freezes and winter cold snaps, tornadoes, and straight-line wind storms; they are state-level hazards, not city incident claims.

freezes and winter cold snaps
Illinois freeze risk includes subzero wind chills, ice dams, frozen service lines, and sump-pump discharge lines blocked by snow or ice.
tornadoes
Illinois sees tornadoes from spring supercells and summer squall lines, with risk spanning farm towns, Chicago suburbs, and older masonry neighborhoods.
straight-line wind storms
Illinois windstorms include derechos, bowing squall lines, and winter frontal winds that damage shingles, siding, mature trees, and service drops.

View resilience guide →

Emergency playbooks to keep handy

Emergency links for Naperville are selected from Illinois's state emergency scenarios and climate-relevant playbooks. They are planning links; call 911 or the serving utility first when life safety, gas, fire, downed lines, or shock risk is present.

State 24-hour guide

Frozen pipe with no visible burstPro today
Frozen pipe bursts while thawingPro today
No heat during freezing weatherPro today
Tree or large limb on the houseCall 911

Generated from all-cities, all-counties, state pro shards, state code updates, seasonal/climate seeds, emergency seeds, and licensing/permit-contact seeds.

Hiring Contractors in Naperville, IL — Local Q&A

Local source notes for permits, prices, trades, site conditions, and license checks. Source: ProFix Editorial Team. Last updated 2026-06-09.

permits

What permits do I need for a kitchen remodel in Naperville, IL?

For a kitchen remodel in Naperville, start with City of Naperville Building Permits. Cosmetic work is different from moving plumbing, electrical, gas, walls, windows, or ventilation, so ask the permit office which building, trade, plan-review, or inspection steps apply before work starts. Verify the contractor through the state licensing board before signing: Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Permit office: City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Keep the permit number, approved plans, inspection records, and change orders in the job file.

¿Qué permisos necesito para remodelar una cocina en Naperville, IL?

Para remodelar una cocina en Naperville, empiece con City of Naperville Building Permits. El trabajo cosmético no es lo mismo que mover plomería, electricidad, gas, muros, ventanas o ventilación; pregunte qué permisos, revisión de planos e inspecciones aplican antes de iniciar. Verifique al contratista en la junta estatal: Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Oficina de permisos: City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Guarde número de permiso, planos aprobados, inspecciones y cambios por escrito.

pricing

How much does a plumber cost in Naperville, IL?

There is no single reliable plumber price for Naperville; the cost depends on diagnosis time, access, fixture quality, emergency scheduling, permit requirements, and whether walls, concrete, or sewer lines are involved. Treat online averages as screening information, not a bid. Before paying a deposit, verify the plumber or plumbing contractor through Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/ and ask City of Naperville Building Permits whether the job needs a permit or inspection. Permit office: City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Get itemized labor, materials, trip charges, and warranty terms.

¿Cuánto cuesta contratar a un plomero en Naperville, IL?

No hay una tarifa única confiable para un plomero en Naperville; el costo depende del diagnóstico, acceso, calidad de accesorios, urgencia, permisos y si hay muros, concreto o líneas de drenaje. Use promedios en línea solo como orientación. Antes de pagar anticipo, verifique al plomero o contratista en Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/ y pregunte a City of Naperville Building Permits si el trabajo requiere permiso o inspección. Oficina: City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Pida mano de obra, materiales y garantía por escrito.

trades

What types of contractors are most needed in Naperville?

Naperville homeowners most often need licensed trade help for plumbing, electrical, HVAC, roofing, drainage, restoration, and general remodeling, especially when work touches life-safety systems or the building envelope. In DuPage County, local permit history and inspection queues are the best way to spot active demand, so check City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. For any regulated trade, confirm license status with the state board first: Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Ask bidders who will pull permits and attend inspections.

¿Qué tipos de contratistas se necesitan más en Naperville?

En Naperville, los propietarios suelen necesitar ayuda para plomería, electricidad, HVAC, techos, drenaje, restauración y remodelación general, especialmente si el trabajo toca sistemas de seguridad o la envolvente del edificio. En el condado de DuPage, el historial de permisos y las inspecciones muestran mejor la demanda local; consulte City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Para oficios regulados, verifique la licencia estatal: Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Pregunte quién tramita permisos y atiende inspecciones.

conditions

How does Naperville's climate, zoning, or housing stock affect home repair costs?

Naperville's freeze-thaw cycles, older plumbing and electrical systems, snow loads, and lead-safe renovation concerns can affect scope. Costs can rise when a project needs engineering, concealed-condition repairs, phased inspections, utility coordination, or work in floodplain, historic, HOA, or zoning overlay areas. Do not rely on a contractor's verbal answer alone: confirm permit triggers with City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Then verify the contractor's license or registration with Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Keep photos of hidden conditions before walls or floors are closed.

¿Cómo afectan el clima, la zonificación o las viviendas de Naperville a los costos de reparación?

Los ciclos de hielo y deshielo, sistemas antiguos de plomería y electricidad, cargas de nieve y trabajo seguro con plomo en Naperville pueden afectar el alcance. Los costos pueden subir si el proyecto requiere ingeniería, reparación de condiciones ocultas, inspecciones por etapas, coordinación con servicios públicos o trabajo en zonas inundables, históricas, HOA o con superposición de zonificación. No dependa solo de una respuesta verbal: confirme permisos con City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Luego verifique la licencia en Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Guarde fotos antes de cerrar muros o pisos.

verification

How do I verify a contractor's license in Naperville?

Verify the exact legal business name, license number, classification, expiration date, and any public discipline before you sign. Use the state licensing board lookup first: Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Then confirm with City of Naperville Building Permits that the same contractor can be listed on the permit and that the permit scope matches the contract; permit office: City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Be cautious if the bid asks you to pull an owner-builder permit for paid work, skips inspections, or uses a different company name on documents.

¿Cómo verifico la licencia de un contratista en Naperville?

Verifique el nombre legal exacto, número de licencia, clasificación, vencimiento y disciplina pública antes de firmar. Use primero la búsqueda de la junta estatal: Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov/. Después confirme con City of Naperville Building Permits que el mismo contratista pueda figurar en el permiso y que el alcance coincida con el contrato; oficina: City of Naperville Building Permits: https://www.naperville.il.us/businesses/development-resources/building-permits/. Tenga cuidado si le piden sacar un permiso de propietario para trabajo pagado, evitar inspecciones o usar otro nombre comercial.