24/7 leak repairCertified techs
East-end Toronto and York Region crew running openings, closings, vinyl liner leak detection and pre-sale pool inspections since 2008.
Toronto · Markham · Richmond Hill · Ajax + more
Pricing
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York Region · Markham
Pool opening, closing & liner service in Markham
Openings, closings, liner replacement and equipment repair from independent Markham crews. Local ranges, real coverage areas and a quote form that reaches up to three technicians.
1 listed crews Unionville to Thornhill
TSSA licensed for gas workInsurance & WSIB checked4.5★ minimum rating45 min median reply
What pool work costs in Markham
Markham sits in York Region, where pricing is set less by the municipal boundary and more by drive distance, lot access and how many pools a crew can fit into a route day. A pool on a narrow street in Unionville costs more to open than the same pool with a wide side gate in Cornell.
Markham's clay-heavy soil holds frost longer, so openings often slip a week past Toronto. Budget for a late-May opening rather than the May long weekend.
The ranges below come from 1 listed company in Markham and cover labour, standard chemicals and normal equipment checks. Parts, water hauling and repairs found during the visit are quoted separately — ask for that number before work starts.
What is included in a standard opening
- Cover removal, cleaning and folding for storage
- Surface debris removal and a full vacuum to waste if needed
- Skimmer, pump basket and filter check; pressure gauge reading
- Startup chemical dose and a 24-hour circulation run
- Equipment inspection with photos of anything failing
What is not included
- Algae treatment, flocculant or a full drain and refill
- Replacing a failed pump, heater or salt cell
- Liner, plumbing or light repairs
- Water hauling, unless it is listed as an add-on
Markham service ranges
| Service | Typical low | Typical high |
|---|---|---|
| Pool opening (inground) | $400 | $690 |
| Pool closing + blowout | $420 | $710 |
| Vinyl liner replacementInstalled, standard rectangle | $5,200 | $8,900 |
| Above-ground opening | $280 | $428 |
| Safety cover installCover supplied, size dependent | $2,100 | $4,600 |
Planning ranges before HST, not quotes. Confirm access, water condition and parts with the crew.
Liner gauge matrix
- 20 mil
- $4,900–$7,600
- 27 mil
- $5,300–$8,200
- 30 mil / hybrid
- $5,700–$8,800
16 × 32 reference pool, before HST.
Want the full breakdown by pool size? See GTA opening costs or the Markham closing guide.
Local crews
Companies covering Markham
York Region
Neighbourhoods and timing
Crews listed here work Markham and the surrounding York Region municipalities. Coverage can vary by postal prefix — L3, L6 are the prefixes to quote when you call.
Crews dispatch through Hwy 7 & McCowan Rd and Markham Rd & 16th Ave, with Main Street Unionville, Unionville GO, Rouge National Urban Park as route landmarks.
When to book in Markham
- Late MarchBook the opening. Route calendars fill before the ice is off the cover.
- Late April – mid MayOpen once water holds above 15°C. Earlier opening costs more in chemicals, later opening grows algae.
- July–AugustBest window for liner replacement — warm weather lets the new liner stretch and settle.
- By late SeptemberBook the closing. Most crews stop taking new closings in mid-October.
Right now · Closing season
Close Markham pools before the first hard freeze
Closings in Markham run $420–$710 and include a line blowout, antifreeze and cover install. Water below 18°C is the trigger; waiting for the first freeze is how return lines split.
- Clear leaves before the cover goes on — decaying debris stains liners and eats chlorine all winter.
- Lower the water 6–12 inches below the skimmer, and never drain a vinyl pool.
- Photograph the equipment pad and valve positions for the spring opening.
Common questions
Markham pool service FAQ
What do pool services cost in Markham?
A spring opening runs $400–$690 and a fall closing $420–$710. Vinyl liner replacement is a separate project at $5,200–$8,900 installed. All figures are before HST and assume normal access.
When is the pool season in Markham?
Most Markham pools open between the last week of April and the May long weekend, once water holds above 15°C. Closing typically happens late September to mid-October, when water drops below 18°C. Book both about four weeks ahead — York Region crews fill their route calendars early.
Are the listed Markham companies verified?
Listings are reviewed for proof of insurance, a working business number and service coverage in the city shown. Ask for a certificate of insurance and WSIB clearance before work starts — a legitimate crew will send both without being asked twice.
Do I need a service contract?
No. Openings, closings and liner replacements can be booked as one-off jobs. Weekly maintenance contracts are optional and usually discount the seasonal work by 10–15% — worth it only if you would hire the same crew anyway.
Three Markham quotes, one short form.
Tell us the service and pool type. We match the job with local crews who cover your postal prefix — no fee, no obligation.