Ottawa, IL

Find the Best Contractors in Ottawa

Discover top-rated home service professionals in Ottawa, Illinois. Browse 114 verified contractors for roofing, HVAC, plumbing, and more.

114

Contractors

4.4

Avg. Rating

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Ottawa, IL

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Top Contractors in Ottawa, IL

Showing 1-20 of 114 contractors

"Chris fit me in to his busy schedule and got my A/C working again quickly!"

HVAC
Hours
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Mackenzie Exteriors & Landscaping

Mackenzie Exteriors & Landscaping

Ottawa, IL

5(1 reviews)
LandscapingGeneral ContractingTree Services
Hours
Lewis Plumbing Inc

Lewis Plumbing Inc

409 State St, Ottawa, IL 61350

5(2 reviews)

"Prompt and professional service for a backed-up sewer line."

PlumbingGeneral Contracting
Hours
Humble Home Carpentry

Humble Home Carpentry

Ottawa, IL

5(1 reviews)
RoofingSidingKitchen RemodelBathroom Remodel+5 more
Hours
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Korte & Turpen Tree Services

Korte & Turpen Tree Services

Ottawa, IL 61350

5(5 reviews)

"Did great work!"

RoofingTree Services
Hours
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KKN Plumbing

KKN Plumbing

Ottawa, IL

5(1 reviews)

"Keeps you informed and explains the problems and how it can be fixed."

PlumbingGeneral Contracting
Hours
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TBolt Construction

TBolt Construction

1525 Mulberry St, Ottawa, IL 61350

5(2 reviews)

"Alex was amazing to work with."

RoofingGeneral Contracting
Hours
Sean's Dandy Handyman Service

Sean's Dandy Handyman Service

1516 Sycamore St Apt B, Ottawa, IL 61350

5(6 reviews)

"He was punctual, hard working, and reasonably priced."

RoofingGuttersKitchen RemodelBathroom Remodel+6 more
Hours
Miklo's Painting

Miklo's Painting

3116 E 1961st Rd, Ottawa, IL 61350

5(2 reviews)
Painting
Hours
Liebhart Construction Inc.

Liebhart Construction Inc.

1301 Canal St, Ottawa, IL 61350

5(2 reviews)

"Best builders around"

RoofingSidingKitchen RemodelBathroom Remodel+4 more
Hours
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Lawrence M Haan Roofing

Lawrence M Haan Roofing

2337 Cedar Ln, Marseilles, IL 61341

5(1 reviews)
Roofing
Hours
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Prairie State Insulation

Prairie State Insulation

Ottawa, IL

5(2 reviews)
InsulationGeneral Contracting
Hours
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River Electric

River Electric

217 Christie St, Ottawa, IL 61350

5(8 reviews)

"On time, quality work."

ElectricalGeneral Contracting
Hours
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Grand Rapids Enterprises Inc.

Grand Rapids Enterprises Inc.

1778 Chessie Ln, Ottawa, IL 61350

5(3 reviews)
General Contracting
Hours
Bilyeu Seamless Gutters

Bilyeu Seamless Gutters

Ottawa, IL

5(5 reviews)
GuttersGeneral Contracting
Hours
Performance Pipelining Inc.

Performance Pipelining Inc.

1551 W Norris Dr, Ottawa, IL 61350

5(8 reviews)

"Great experience having this company work on my home."

General Contracting
Hours
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Harbor Craft Builders

Harbor Craft Builders

1530 Titanium Dr, Ottawa, IL 61350

5(3 reviews)

"I also have him working on some custom risers for my daughter’s vanity."

General ContractingKitchen Remodel
Hours
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"Great job, fair price and very responsive!"

General Contracting
Hours
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Kuehn Lawn Services

Kuehn Lawn Services

Ottawa, IL

5(2 reviews)
LandscapingDecks & PatiosGeneral ContractingTree Services
Hours
AP Carpentry, LLC

AP Carpentry, LLC

Ottawa, IL

5(1 reviews)
PaintingGeneral ContractingHandyman
Hours
🏆

Top Rated Contractors 2026

Ottawa, IL

Every contractor shown for Ottawa, Illinois is listed with the rating and review count from its public Google Business Profile, so you can compare local professionals on the same basis. Businesses marked as claimed have confirmed their own details, which is not the same as a licence or insurance check. Confirm licensing and insurance directly, then request at least three written estimates before you hire in Ottawa.

Frequently Asked Questions

Common questions about finding contractors in Ottawa

Prices in Ottawa depend on the trade, the size and complexity of the job, and the materials you choose. Small repairs often start in the low hundreds of dollars, while full replacements such as a roof, HVAC system, or kitchen can run from several thousand dollars upward. Request at least three written estimates for the same scope so you can compare local pricing fairly.

Start with the listings on this page, then confirm the licence directly with the licensing board that covers Illinois. Requirements vary by trade: some states license general contractors, while others license only electrical, plumbing, and HVAC work. Ask for the licence number and verify it yourself before signing anything.

Most listings in Ottawa are aggregated from public business data, including the Google Business Profile rating and review count shown on each page, and are not individually inspected by us. A listing marked as claimed simply means the owner has confirmed control of the business record; it is not a licence or insurance check. Always verify licensing, insurance, and references before you hire.

Costs in Illinois depend heavily on the trade and the project. Labour rates vary by region, licensed trades such as electrical and plumbing usually cost more per hour than general labour, and emergency or after-hours work carries a premium. Statewide averages are only a starting point; get itemized quotes from local contractors for your exact scope.

Permit rules are set by the local authority that covers Ottawa. Structural work, additions, and most electrical, plumbing, HVAC, and roofing replacements require a permit, while some cosmetic work does not. Ask who is pulling the permit and confirm it is issued in the correct name before work starts, because unpermitted work can complicate resale and insurance.

A deposit of roughly 10-30% of the contract price to cover materials is common in Ottawa, with the balance tied to milestones in a written contract. Be cautious of anyone demanding full payment up front, large cash-only payments, or payment before the work is scheduled. A written payment schedule protects both sides.

Compare quotes on the same written scope of work, not on the bottom line alone. Check that each quote lists materials and brands, labour, permits, cleanup, and exclusions, and ask how change orders are priced. A bid that is far below the others usually means something has been left out.

A contractor contract in Illinois should state the full scope, materials, total price and payment schedule, estimated start and completion dates, the licence number, how changes will be approved and priced, the warranty, and who handles permits and cleanup. Read it before signing and keep a copy.

Timelines in Ottawa vary widely by trade and scope, from a same-day repair to several months for a major remodel. Weather, permit queues, and material lead times all affect the schedule. Ask each contractor for a written timeline and confirm how they handle weather or inspection delays.

Read the Google review excerpts shown on each listing for patterns rather than judging only by the star average. Also check the state or provincial licensing board for complaints, ask the contractor for recent local references, and confirm they carry insurance. A single bad review matters less than a consistent theme.

Pricing in Ottawa reflects local labour rates, cost of living, demand, and how far crews have to travel. Dense metro areas and high-cost regions usually run above the state average, while smaller markets can be below it. The only accurate comparison is like-for-like quotes from contractors who work in Ottawa.

Document everything in writing first, including photos, dates, and the contract. Ask the contractor to fix the issue under the warranty, and if they refuse, file a complaint with the Illinois licensing board or consumer-protection office. You can also contact us so we can review the listing associated with that business.