Local Businesses in Thorold
200 verified businesses in Thorold across 24 categories. Compare ratings, reviews, and find the right fit.
Retail Stores(21)Salons & Spas(20)Restaurants(19)HVAC Contractors(10)Electrical Contractors(10)Plumbing Contractors(10)Cleaning Contractors(10)Painting Contractors(10)Fencing Contractors(10)Landscaping Contractors(10)Concrete Contractors(10)General Contractor Contractors(10)Roofing Contractors(9)Fitness & Gyms(7)Auto Services(7)Medical & Health(6)General Business(5)Pet Services(5)Dental Clinics(4)Hotels & Lodging(3)Fuel Gas(1)Financial Services(1)Retail Stores(1)Windows & Doors Contractors(1)
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Showing 200 of 200 contractors
Mr. Furnace Heating and Air Conditioning
Top Rated
HVAC·Thorold·28 Dunkirk Rd
4.8(2.7k reviews)
B
Evans Heating & Cooling
Top Rated
HVAC·Thorold·4065 Stanley Ave
4.8(830 reviews)
B
Kraun Electric Inc
Top Rated
Electrical·Thorold·45 Wright St
4.9(667 reviews)
B
Go Green Plumbing Ltd
Top Rated
Plumbing·Thorold·13 Queenston St
4.9(642 reviews)
B
Performance Heating & Air Inc.
Top Rated
HVAC·Thorold·96 Front St N
5.0(555 reviews)
B
Marty's Heating and Air Conditioning
Top Rated
HVAC·Thorold·2371 Kimberley Ct
5.0(339 reviews)
B
MacKay Heating & Cooling
Top Rated
HVAC·Thorold·2517 First Street Louth
4.8(352 reviews)
B
Niagara RoofMasters
Top Rated
Roofing·Thorold·2275 RR 20 Unit 23
4.8(343 reviews)
B
Hellamaid Cleaning Services Niagara
Top Rated
Cleaning·Thorold·108 Geneva St Unit H
4.8(251 reviews)
B
AJT Roofing and Contracting
Top Rated
Roofing·Thorold·38 Adel Dr
4.9(190 reviews)
B
InspireClean Cleaning Services Niagara
Top Rated
Cleaning·Thorold·37 W Farmington Dr
4.9(163 reviews)
C
Emcor Electric Group Inc.
Top Rated
Electrical·Thorold·4226 Drummond Rd
5.0(144 reviews)
B
WOW 1 DAY PAINTING Niagara - St.Catharines
Top Rated
Painting·Thorold·2762 St Paul Ave
4.8(173 reviews)
C
Performance Painters Niagara
Top Rated
Painting·Thorold·111 Fourth Ave #12
5.0(125 reviews)
C
Complete Plumbing
Plumbing·Thorold·105 Merritt St
4.5(211 reviews)
C
MarZ Heating & Cooling Inc.
Top Rated
HVAC·Thorold·25 Linfield Dr
5.0(115 reviews)
C
Niagara Modern Painting
Top Rated
Painting·Thorold·29 Timber Creek Crescent
5.0(115 reviews)
C
Plumr Plumbing & Heating
Top Rated
Plumbing·Thorold·187 King St
4.9(125 reviews)
C
Tresham Painting & Decorating
Top Rated
Painting·Thorold·42 Abbott Pl
4.9(123 reviews)
C
Noble Roofing
Top Rated
Roofing·Thorold·Niagara Region
4.9(117 reviews)
C
Niagara Regional Cleaning
Top Rated
Cleaning·Thorold·8720 Milomir St
4.9(115 reviews)
C
Powered Electric Niagara
Top Rated
Electrical·Thorold·64 Quebec Ave
5.0(104 reviews)
C
Davids Painting Ltd.
Top Rated
Painting·Thorold·33 Richmond Ave
5.0(99 reviews)
C
Rosemore Electric Inc.
Top Rated
Electrical·Thorold·112 Ormond St S Unit 2
4.9(105 reviews)
C
Fresh Home Painters
Top Rated
Painting·Thorold·1517 Eighth Ave Louth
5.0(95 reviews)
C
Rinse and Shine CRPS Inc.
Top Rated
Cleaning·Thorold·7632 Hackberry Trl
5.0(81 reviews)
C
JD Roofing Inc.
Top Rated
Roofing·Thorold·4 Cornwell Cir
4.8(86 reviews)
C
Dog Fence Ontario
Top Rated
Fencing·Thorold·70 Lockview Crescent
4.9(68 reviews)
C
Brouwer Landworks
Top Rated
Landscaping·Thorold·1590 St Paul St W
5.0(58 reviews)
C
Thrive Creations Landscaping
Top Rated
Landscaping·Thorold·2728 Centre St
5.0(57 reviews)
C
Cleaning Mate
Top Rated
Cleaning·Thorold·79 Four Mile Creek Rd
4.9(59 reviews)
C
CleanThumb Niagara
Top Rated
Cleaning·Thorold·8253 Paddock Trail Dr
5.0(51 reviews)
C
Daine Spooner Plumbing Inc.
Top Rated
Plumbing·Thorold·5106 Jepson St
5.0(50 reviews)
C
Blooms and Blizzards Landscaping
Top Rated
Landscaping·Thorold·117 Windward St
4.8(59 reviews)
C
Miss'es Clean
Top Rated
Cleaning·Thorold·341 Merritt St
4.9(54 reviews)
C
DynamicD Landscaping
Landscaping·Thorold·70 Tupper Dr
5.0(49 reviews)
C
Nicholson Fence & Construction
Fencing·Thorold·28 Colborne St
5.0(46 reviews)
C
Carmen Garofalo's Concrete Works Inc.
Top Rated
Concrete·Thorold·5491 Highland Ave
4.8(54 reviews)
C
Johns Post Holes
Top Rated
Fencing·Thorold·Thorold
4.7(58 reviews)
C
Swiftly Landscaping
Landscaping·Thorold·28 Wiltshire Blvd
5.0(44 reviews)
D
Lakeside Electrical
Electrical·Thorold·106 Ormond St S
4.9(44 reviews)
C
Surfside Plumbing Inc
Plumbing·Thorold·215 Chippawa Rd
5.0(40 reviews)
C
LAWRENCE & SCHNEIDER ELECTRIC LTD
Electrical·Thorold·10 Deerfield Pkwy
4.9(39 reviews)
D
Dave's Painters
Painting·Thorold·27 King St.
4.6(45 reviews)
C
Dekorte's Landscaping Ltd.
Landscaping·Thorold·799 Balfour Street
4.6(45 reviews)
C
Mitchell Contracting
General Contractor·Thorold·3932 Garner Rd
4.9(33 reviews)
C
Vinyl-Fencing.ca
Fencing·Thorold·3791 Hibbard St
5.0(30 reviews)
C
Silverline Group Inc.
Concrete·Thorold·1051 Old Thorold Stone Rd
4.3(53 reviews)
C
Hoss Concrete
Concrete·Thorold·65 Wildwood Rd
4.9(31 reviews)
C
Niagara Drain Master | Plumber | Plumbing | 24 hour
Plumbing·Thorold·12 Chapel St S
4.9(31 reviews)
C
Fieldview Landscapes
Landscaping·Thorold·1081 Victoria Ave
5.0(27 reviews)
C
All In Landscaping Niagara Inc.
Landscaping·Thorold·1250 Concession 7 Rd
5.0(26 reviews)
D
Ideal Plumbing & Heating
HVAC·Thorold·Thorold
4.4(41 reviews)
D
Ideal Plumbing & Heating
Plumbing·Thorold·8 Clairmont St Unit 8
4.4(41 reviews)
D
Superior HVAC Service, Heating & Air Conditioning
HVAC·Thorold·4551 Zimmerman Ave
4.8(29 reviews)
D
Multi-Works Construction
General Contractor·Thorold·4066 Thirteenth St
5.0(23 reviews)
C
Martin Construction
General Contractor·Thorold·750 Warner Rd
4.8(26 reviews)
C
Joe's Concrete Work
Concrete·Thorold·7868 Oakwood Dr
4.2(41 reviews)
C
Craftwood General Contracting
General Contractor·Thorold·536 Bunting Rd
5.0(22 reviews)
C
Electrician St. Catharines
Electrical·Thorold·33 Masterson Dr
5.0(22 reviews)
D
R&S Roofing And Siding Inc.
Roofing·Thorold·32 Dundee Dr #1
4.8(25 reviews)
C
Complete Casa Construction
General Contractor·Thorold·32 Woodrow St
5.0(21 reviews)
C
TimberStone Outdoor Construction Inc.
Landscaping·Thorold·1836 Turner Rd
5.0(21 reviews)
D
Main Electric
Electrical·Thorold·35 Cinnamon St
4.8(23 reviews)
D
Creative Decks Niagara
Fencing·Thorold·104 Dunvegan Rd
5.0(19 reviews)
D
CH Plumbing & Heating - HVAC Niagara
Plumbing·Thorold·65 Ormond St N
4.9(19 reviews)
D
CH Plumbing & Heating - HVAC Niagara
HVAC·Thorold·65 Ormond St N
4.9(19 reviews)
D
Air Painters
Painting·Thorold·1806 Allanport Rd
4.8(20 reviews)
D
Briarwood Landscapes
Landscaping·Thorold·100 Grantham Ave S
5.0(17 reviews)
D
Baron Roofing
Roofing·Thorold·2448 RR 20
4.8(19 reviews)
D
Tow N Go Concrete
Concrete·Thorold·25 Niagara Stone Rd
4.5(23 reviews)
D
Rite-Way Fencing - Niagara Falls
Fencing·Thorold·6065 Progress St
4.6(21 reviews)
C
Bulldog Fence and Deck
Fencing·Thorold·1145 Victoria Ave
5.0(16 reviews)
D
Calcon Plumbing and Heating
Plumbing·Thorold·9358 Hendershot Blvd
5.0(15 reviews)
D
D.F. Brown Roofing
Roofing·Thorold·D. F. Brown Roofing
4.8(16 reviews)
D
Amak General Contractors Corp.
General Contractor·Thorold·St. Catharines
5.0(13 reviews)
D
CircuiTree Electrical Solutions | Residential & Commercial Electricians
Electrical·Thorold·Grimsby
5.0(13 reviews)
D
Sfd Concrete
Concrete·Thorold·141 Vine St S
4.6(16 reviews)
D
Escarpment Home Solutions
General Contractor·Thorold·5 Baker St
5.0(12 reviews)
D
Tmmt Renovations
General Contractor·Thorold·8 Manley Crescent
4.5(15 reviews)
D
Mr General Contractor & Renovations
General Contractor·Thorold·423 Geneva St
5.0(11 reviews)
D
Niagara Scrubbers
Cleaning·Thorold·115 Brighton Ln
5.0(11 reviews)
D
K.R.S. Concrete inc.
Concrete·Thorold·Niagara Region
4.8(10 reviews)
D
911 Roofer
Roofing·Thorold·52 Richmond St
4.6(11 reviews)
D
Carlton 5 Mechanical Services
HVAC·Thorold·Niagara Region and surrounding areas including St.Catharines
4.1(13 reviews)
F
Niagara Ready Mix
Concrete·Thorold·1134 Old Thorold Stone Rd
4.9(8 reviews)
D
Creative Design Decks & Fences
Fencing·Thorold·5984 Barker St
4.6(8 reviews)
F
Scott's Roofing & Repairs
Roofing·Thorold·72 West Street N
4.5(8 reviews)
F
BMQ - a division of Lafarge Canada Inc.
Concrete·Thorold·6224 Progress St
5.0(5 reviews)
F
Fencast Industries
Fencing·Thorold·6272 Kister Rd
5.0(5 reviews)
F
Home Transformations
Painting·Thorold·St. Catharines
5.0(4 reviews)
F
Propper Posts and Fences
Fencing·Thorold·47 Green Pointe Dr #47
5.0(3 reviews)
F
The Perfect Cleaning FA
Cleaning·Thorold·Niagara Region
5.0(3 reviews)
F
BCR Electric Ltd.
Electrical·Thorold·296 Collier Rd S #6
5.0(2 reviews)
F
Fresh Paint Daly
Painting·Thorold·123 Main St
5.0(2 reviews)
D
Homeandofficecleaning
Cleaning·Thorold·16 Forster Ave
5.0(1 reviews)
F
OG Plumbing and Drain Cleaning / Emergency Plumbers
Plumbing·Thorold·12 Chapel St S
5.0(1 reviews)
F
CBM-Canada Building Materials Co
Concrete·Thorold·324 Allanburg Rd
2.0(4 reviews)
F
50% Off Designers Showcase
General Business·Thorold·1874 Highway 20
Not yet reviewed on Google
F
7-Eleven
Fuel & Gas·Thorold·17 Clairmont Street
Not yet reviewed on Google
F
Amici's Banquet and Conference Centre
Restaurants·Thorold·2740 Merrittville Hwy
Not yet reviewed on Google
F
Anytime Fitness
Fitness & Gyms·Thorold·306 Glendale Avenue
Not yet reviewed on Google
F
Arizona Tan
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Arlies
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Ash Interiors
General Business·Thorold·1874 Highway 20
Not yet reviewed on Google
F
Asian Legend
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Azura Spa
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
BarBurrito
Restaurants·Thorold·343 Glendale Ave St. Catharines
Not yet reviewed on Google
F
Beauty 21 Brow Studio
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Beauty By Jessica Nail Spa
Salons & Spas·Thorold·2 Tremont Dr Unit 6
Not yet reviewed on Google
F
Blue Hammer Construction
General Contractor·Thorold·2136 Allanport Road
Not yet reviewed on Google
F
Bluenotes
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Booster Juice
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Bootlegger
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
CAA
Financial Services·Thorold·3271 Schmon Parkway
Not yet reviewed on Google
F
Campus Store
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Chestnut Lane Books
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Chloe's Beauty Bar
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Circle K
Retail Stores·Thorold·207 Keefer Road
Not yet reviewed on Google
F
Cogeco
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Complexion Esthetics
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Cora
Restaurants·Thorold·210 Glendale Avenue
Not yet reviewed on Google
F
CUPE 1287
General Business·Thorold·133 Front Street North
Not yet reviewed on Google
F
Dentures
Dental Clinics·Thorold·Thorold
Not yet reviewed on Google
F
Dog & Cat Clinic of Niagara
Pet Services·Thorold·Thorold
Not yet reviewed on Google
F
Dr. J. Michalko
Dental Clinics·Thorold·Thorold
Not yet reviewed on Google
F
Drug Smart Pharmacy
Medical & Health·Thorold·Thorold
Not yet reviewed on Google
F
Dynamite
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Eastway Auto Sales & Service
Auto Services·Thorold·Thorold
Not yet reviewed on Google
F
Eleanor Misener Aquatic Centre
Fitness & Gyms·Thorold·Thorold
Not yet reviewed on Google
F
Euro Mobil Autohouse
Auto Services·Thorold·Thorold
Not yet reviewed on Google
F
Express Inn
Hotels & Lodging·Thorold·13030 Lundys Lane
Not yet reviewed on Google
F
First Choice Haircutters
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Fix Auto
Auto Services·Thorold·Thorold
Not yet reviewed on Google
F
Fonthill Gym
Fitness & Gyms·Thorold·Thorold
Not yet reviewed on Google
F
Four Points Sheraton
Hotels & Lodging·Thorold·3530 Schmon Parkway
Not yet reviewed on Google
F
Front Row Sports
Fitness & Gyms·Thorold·133 Front Street North
Not yet reviewed on Google
F
George Richards
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Glendale Dental Centre
Dental Clinics·Thorold·Thorold
Not yet reviewed on Google
F
Glenridge Medical Building
Medical & Health·Thorold·Thorold
Not yet reviewed on Google
F
Global Pet Foods
Pet Services·Thorold·Thorold
Not yet reviewed on Google
F
Great Clips
Salons & Spas·Thorold·Evergreen Mall
Not yet reviewed on Google
F
Hair Logics Studio
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Harrison Hall
Medical & Health·Thorold·Thorold
Not yet reviewed on Google
F
Harvey's
Restaurants·Thorold·344 Glendale Avenue
Not yet reviewed on Google
F
Honeys
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
International Men's and Boy's Stores
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
J. Michaels
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
JM Auto Repair and Sales
Auto Services·Thorold·2008 Port Robinson Rd
Not yet reviewed on Google
F
Johnny Rocco's
Restaurants·Thorold·271 Merritt Street
Not yet reviewed on Google
F
Julie's Tire & Auto
Auto Services·Thorold·110 Front Street North
Not yet reviewed on Google
F
KL Salon
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
L'Attitudes
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
La Vie en Rose
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Laura
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Lazy Bugs
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Lids
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Little Caesars
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Luxury Nails & Spa
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
M Barber Studio
Salons & Spas·Thorold·1450 Pelham Street South
Not yet reviewed on Google
F
Maverick Studio for Men
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Melanie Lyne
Retail Stores·Thorold·100 Anderson S.E.
Not yet reviewed on Google
F
Merritton Barber Shop
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Merrittville Speedway
Fitness & Gyms·Thorold·Thorold
Not yet reviewed on Google
F
Mike's Auto Service
Auto Services·Thorold·11 St David Street West
Not yet reviewed on Google
F
Monsieur Crêpe
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Nails 88
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Nails for You
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Natural Solutions
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Niagara North Family Health Team
Medical & Health·Thorold·Thorold
Not yet reviewed on Google
F
Niagara Rugby Club
Fitness & Gyms·Thorold·1105 Barron Road
Not yet reviewed on Google
F
Noah's Kitchen
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Oggi Spa
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
Old Navy
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Pet Valu
Pet Services·Thorold·531 Bayfield St N Barrie
Not yet reviewed on Google
F
Pete's Pizza
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Pharmasave
Medical & Health·Thorold·15 Front Street South
Not yet reviewed on Google
F
Pizza Hut
Restaurants·Thorold·306 Glendale Avenue
Not yet reviewed on Google
F
Pizza Pizza
Restaurants·Thorold·210 Glendale Avenue
Not yet reviewed on Google
F
Plato's Closet
Retail Stores·Thorold·210 Glendale Avenue
Not yet reviewed on Google
F
Pro Battery
Auto Services·Thorold·1874 Highway 20
Not yet reviewed on Google
F
QUBE
Salons & Spas·Thorold·Thorold
Not yet reviewed on Google
F
RC Enterprise Inc. Renovation Centre
Windows & Doors·Thorold·1874 Highway 20
Not yet reviewed on Google
F
Reitmans
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Reptile Kingdom
Pet Services·Thorold·1874 Highway 20
Not yet reviewed on Google
F
Rexall
Medical & Health·Thorold·9 Pine Street North
Not yet reviewed on Google
F
Ricki's
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Ruffin's Pet Centres
Pet Services·Thorold·Thorold
Not yet reviewed on Google
F
Shriner's Creek Kettle Popcorn
General Business·Thorold·1874 Highway 20
Not yet reviewed on Google
F
Smile Dental Centre
Dental Clinics·Thorold·2 Tremont Drive
Not yet reviewed on Google
F
Stars Men's Shops
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
Stokes Seeds Ltd.
General Business·Thorold·296 Collier Rd S
Not yet reviewed on Google
F
Stonemill Inn
Hotels & Lodging·Thorold·271 Merritt St
Not yet reviewed on Google
F
Studio 20
Fitness & Gyms·Thorold·Thorold
Not yet reviewed on Google
F
Subway
Restaurants·Thorold·236 Glendale Avenue
Not yet reviewed on Google
F
Sunset Grill
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Super 2 for 1 Pizza
Restaurants·Thorold·Thorold
Not yet reviewed on Google
F
Sushi Paradise
Restaurants·Thorold·210 Glendale Avenue
Not yet reviewed on Google
F
Swiss Chalet
Restaurants·Thorold·344 Glendale Avenue
Not yet reviewed on Google
F
T-Shirt Time
Retail Stores·Thorold·Thorold
Not yet reviewed on Google
F
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Thorold at a Glance
23,816
Population
9,200
Households
$78K
Median Income
71%
Home Ownership
50 yrs
Avg Home Age
262
Contractors Listed
Source: Statistics Canada, 2021 Census
With 71% home ownership across 23,816 residents, Thorold delivers a dense base of motivated homeowners — and value-conscious homeowners prioritise essential repairs and maintenance. Dwellings averaging 48 years old create consistent work in HVAC replacement, roofing, plumbing, and electrical upgrades.
Thorold Homeowner Resources
Official municipal links for permits, bylaws, and services
Ontario Contractor Verification
Verify licences, insurance, and credentials before hiring
What to Book This Season
September — November in Thorold
Furnace tune-upWindow/door replacementInsulation upgradesEavestrough guardsDriveway sealingWeatherproofing
Fall is the sweet spot — contractors are less busy, prices drop, and you prepare for winter.
Before You Hire a Contractor in Thorold
- Get at least 3 written quotes for comparison
- Verify WSIB clearance certificate (protects YOU from liability)
- Check Google reviews AND ask for local references
- Confirm they will pull all required permits
- Never pay more than 10-15% deposit upfront
- Get everything in writing — scope, timeline, payment schedule
- Verify their business insurance is current
- For regulated trades (electrical, plumbing, gas), verify their license number
Ontario law: Ontario's Construction Act provides a 10% holdback right on construction projects. Learn more
Frequently Asked Questions — Businesses in Thorold
- How many businesses are listed in Thorold?
- Our directory currently lists 200 verified businesses across 24 categories in Thorold, Ontario.
- How do I find a licensed contractor in Thorold?
- Browse our directory to compare businesses by category. Check Google ratings, verify licences through provincial regulators (WSIB, ESA, TSSA for contractors), and always get at least 3 written quotes before hiring.
- What should I check before hiring a contractor in Thorold?
- Verify WSIB clearance (protects you from liability), check Google reviews, confirm they pull required permits, get everything in writing, and never pay more than 10-15% deposit upfront.
- Where do I get a building permit in Thorold?
- Contact the Thorold Building Department. Most renovation and construction work requires a permit under the Ontario Building Code. Your contractor should handle the permit process.
- How do I file a complaint about a contractor in Thorold?
- You can file complaints with Ontario Consumer Protection (1-800-889-9768), the Better Business Bureau, or Small Claims Court for disputes up to $35,000.
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