Driveway Paving Cost in the GTA (Asphalt vs Interlock)

Asphalt is the cheap answer and interlock is the expensive one, but the spread is wider than any single quote suggests. GTA companies publish installed asphalt anywhere from $4 to $15 per square foot, and interlocking pavers from $15 to $55. Take the middle of those bands on a 600-square-foot double driveway. Asphalt works out at 600 × $8 = $4,800 to 600 × $14 = $8,400. Interlock works out at 600 × $18 = $10,800 to 600 × $40 = $24,000. What decides whether either surface survives a Toronto winter is the base underneath it. What decides whether you may build it at all is a City street work permit, needed even for a straight repave. The last stretch of a street-fronting driveway usually sits on the City's road allowance, the strip of land the City owns, not on yours.

What GTA companies actually publish

These are prices each company puts on its own website, not an average. Look at the gap between the low and high end of the same material. That gap is mostly base depth, demolition and drainage.

Check those totals against the same companies' own examples. Artech Landscaping puts a 600–800 sq ft double asphalt driveway at C$3,000 to C$9,600 and VIP Paving puts an average asphalt job at $2,800 to $6,500. On the interlock side, Country Renovations quotes $9,000 to $20,000 for a 500 sq ft two-car driveway. Project Landscaping quotes $14,500 to $32,000 for 576 sq ft, and Dawn Till Dusk $8,000 to $20,000 for a 400–600 sq ft double. A quote far below those bands is not a bargain. It is a shallower hole.

The base decides the lifespan, not the surface

The City of Toronto publishes exactly what it expects under a residential driveway, and it is free to read. Specification TS 3.30 is blunt. Section 3.30.07.02 says residential asphalt driveways "shall be constructed according to T-310.050-8 with 150 mm of Granular A and 80 mm – 2 lifts of 40 mm – Superpave 9.5, Traffic Category B asphalt." In plain terms: a gravel base under two thin layers of asphalt, not one thick one. Standard drawing T-310.050-8 shows the same build. It adds that the key behind the curb must be lowered to take the full driveway thickness.

That is the yardstick. Ask for three numbers in writing:

• Granular A depth after compaction, not as delivered. The City's residential figure is 150 mm.
• Asphalt thickness and the number of lifts, a lift being one layer laid in a single pass. Two 40 mm lifts bond better than one thick pass, which is why the City asks for two.
• Whether the base is being replaced or just paved over. An overlay, meaning fresh asphalt laid on the old surface, fails again on the same cracks.

Interlock is the same argument with a bigger base. Dawn Till Dusk Landscaping splits its own price three ways. Excavation and removal run $3–$6 per square foot. Base preparation runs $4–$7 per square foot, and the pavers $4–$15 per square foot. It calls the base "the number one reason some driveways look terrible after 5 years while others hold up for 25+." Country Renovations puts a properly built Toronto interlock driveway at 100–150 mm of compacted Granular A, with a 25–35 year life. Reliable Hardscapes says the pavers are only 18–28 per cent of the installed cost. A quote that leads with the brand of stone is describing the cheapest part of the job.

Drainage, and the permeable question

Water is what breaks driveways here. It gets into the base, freezes, and lifts the surface, so the slope matters as much as the depth. Municipal Code Chapter 918 sets the rules for a licensed Toronto front yard parking pad. § 918-10A sets the slope: the pad must "slope upward at a two-percent to six-percent gradient from the rear edge of the sidewalk or curb". § 918-10B requires it to be "paved with permeable paving material". The chapter defines that as material "designed to minimize surface water runoff to the sewer system", meaning paving rain can soak through. A Ward 18 pilot once went further, and it is worth knowing only so you do not act on it. § 918-7.2G limits that section to two windows ending June 30, 2018. And § 918-5B now says the General Manager "shall not accept a front yard parking application" for the former City of Toronto wards including Ward 18. While it ran, § 918-7.2D required the old paving to come out and be replaced with permeable paving "which consists of at least 25 percent open space."

Permeable interlock carries a premium. Khan Scapes publishes $24 to $38 per square foot for it, against $16 to $25 for standard pavers. Fixing a real drainage problem is a separate job again. Reliable Hardscapes budgets $2,000 to $12,000 for French drains (gravel-filled trenches that carry water away), catch basins and regrading, and Project Landscaping $1,500 to $4,000+.

The City permissions most quotes leave out

This is where GTA driveway articles usually stop at "check with your municipality." Toronto's rules are specific, and they cover work you would assume is private.

A street work permit is required to repave, not just to widen. The City's Construction Permit page lists five triggers. They are installing a new driveway or walkway, widening one, relocating one, "reconstructing or repaving a driveway or walkway," and modifying a curb or driveway entrance. It applies to any driveway that crosses City property, meaning the boulevard (the City-owned strip along the street), the sidewalk or the curb. On a typical Toronto street that is the last few metres of your own driveway.

Only a licensed contractor can pull it. The application must name "a contractor licensed by the City of Toronto to perform driveway paving work". It must also include financial security, a deposit the City returns once it confirms the work matches the approved plans. Starting without the permit "may result in fines," and if the boulevard is not restored the City does the work and bills you.

Allow real time. Applications for new driveway or walkway construction "should be submitted at least eight weeks before work is scheduled to begin." The page publishes no processing time for a driveway permit. The "approximately 12 weeks" on it belongs to the tower-crane section.

Street trees can veto the job. An application will not be approved if it "requires the removal of a City tree or may damage an existing tree." Trunk width sets the minimum protection distance. It is 1.8 m for a 10–29 cm tree and 2.4 m for a 30–40 cm tree. It rises to 3.0 m at 41–50 cm and 6.0 m at 91–100 cm.

Parking on the boulevard is a licence with a rent. If the widened driveway is there to park on, Chapter 918 turns it into a front yard parking pad. Then § 918-5 says the General Manager "shall not accept an application" at all for properties across a long list of wards, numbered under the pre-2018 ward map. In much of the city the answer is no before price is discussed.

So licensing a pad costs $581.28 + $227.26 + $986.28 = $1,794.82 before a square foot is paved. After that you pay $331.13 + HST a year to rent the boulevard. The licence does not follow the house: a buyer applies for a transfer at $187.08, and a pad that was never licensed carries an $896.62 + HST inspection fee.

Lifetime cost, not sticker price

Asphalt's advantage shrinks over time. Reliable Hardscapes' own maintenance schedule for GTA asphalt runs like this. Reseal every 2–3 years at $300 to $700 a cycle. Lay a full overlay every 8–12 years at $3,000 to $6,000, and replace the driveway at 15–20 years. Cedarwood Development's GTA sealing prices are lower, at $180 to $280 for a single driveway and $250 to $400 for a double. The timing is the same, though. At a $250 seal every three years that is 10 cycles across 30 years, or 10 × $250 = $2,500 at the low end and 10 × $400 = $4,000 at the high end.

Run it out and the two materials converge. Reliable Hardscapes puts 30 years of GTA asphalt ownership at $18,000 to $28,000 and the same span of interlock at $20,000 to $32,000, which is close. Interlock lasts 30–40+ years against 15–20 for asphalt, and needs re-sanding every 4–6 years instead of resealing every 2–3. Interlock also fails one patch at a time. A sunken section is lifted, the base is fixed and the same stones go back. Asphalt cracks are patched visibly, or the whole surface is replaced.

So asphalt is much cheaper to buy and roughly comparable to own. The choice is about disruption and appearance over three decades, not about which one is "worth it."

If you are outside Toronto

The trigger is the same everywhere in the GTA. The moment the work touches the boulevard or the curb, it stops being private. Mississauga says plainly that you do not need a building permit to widen a driveway. But "if you're widening your driveway on the boulevard or where your driveway meets the street, you need to request a new curb cut (access modification)". Your property's zoning also sets the maximum width and the minimum landscaped soft area. Check your own town's zoning before you accept a quote that includes extra width.