Driveway paving options and costs in Union Bay
Union Bay is a small community on Vancouver Island, with a driveway market that’s closely tied to single-detached home lots—at this size of town, that household form dominates where paving contractors get called in. With a population of about 1,200 (Statistics Canada, 2021 Census), there aren’t many “large contractor crews” locally, so scheduling in the Lower Mainland–Southwest often sets the tone for pricing, even when the work is physically done in Union Bay. In our region, paving costs are driven more by intense rainfall, drainage reliability, and shoulder-season scheduling than by deep interior-style frost. Frost penetration is relatively shallow along the coast, but design still assumes a freeze line on the order of 18" for sensitive infrastructure, so the base and drainage details still matter.
Contractors also price differently depending on whether they can source stone and asphalt from nearby production efficiently and whether they’ll need extra time for excavation, hauling, and compaction on tight lots. In Union Bay, the areas around the town’s residential core and older back-lot lanes are especially in demand because access can be tight and grades often change abruptly toward the street. That’s why two driveways with the same square footage can land in different asphalt or paver price bands once base, drainage, and removal are accounted for. Use the table below as a practical guide, and then we’ll fine-tune the number with an on-site measurement and soil/drainage check.
| Material |
Lifespan |
Maintenance |
Best For |
Price per sq ft |
| Asphalt (new installation, proper base) |
12–20 years |
Seal every 3–5 years |
Most cost-effective long-term asphalt when drainage is right |
$12–$20 |
| Asphalt (overlay on existing gravel base) |
8–15 years |
Seal every 3–5 years; monitor for reflection cracking |
When existing granular base is sound and properly graded |
$10–$17 |
| Interlocking concrete pavers |
25–35 years |
Occasional re-setting of stones; joint sand top-up |
Repairable surface and high curb appeal |
$20–$40 |
| Poured concrete (broom finish) |
20–30 years |
Seal as needed (typically 5–10 years) |
Straightforward, durable surface with clean lines |
$18–$35 |
| Exposed aggregate concrete |
20–30 years |
Seal for stain protection (interval varies) |
Better slip resistance and enhanced appearance |
$22–$38 |
| Gravel / crushed stone (budget option) |
5–10 years |
Re-grade and replenish 1–3 times per decade |
Temporary solution or low-traffic access |
$6–$14 |
Prices are estimates only and vary by project scope, site access and material selection.
What affects the price of paving in Union Bay
In Union Bay and across the Lower Mainland–Southwest, it’s common to see quotes for the “same driveway” vary by 30–50% once you look past the headline material. The biggest driver is how much work is required to fix the underlayer—excavation, base thickness, compaction, and drainage corrections. Two contractors can both propose asphalt at a similar rate, but one might include full tear-out to sound granular base and proper subgrade moisture control, while the other only overlays what’s already there. Labour availability also matters: in coastal BC, crews can be pulled toward wetter, higher-priority drainage jobs during the season, which compresses scheduling windows and tightens pricing.
Frost line depth and freeze–thaw cycles are decisive cost factors in our region, even if the frost is shallower than in Ontario or Alberta. When frost reaches or interferes with the base, you need a thicker compacted granular layer to reduce heaving and cracking. A “typical” driveway design here often keeps granular base in the 4–6" range for exposed driveway applications, but weak or saturated clay soils may push excavation deeper to stabilize it. Asphalt mix design must also meet local freeze–thaw requirements—better-performing mixes cost more but hold up better under winter wetting and loading. As a result, a properly prepared new asphalt driveway can land near the $12–$20 per sq ft band, while cheaper approaches (overlay-only or minimal drainage corrections) may look like savings until reflection cracking and rutting show up.
Concrete pricing shifts too: if you need steel reinforcement and thicker sections for slope control, your poured concrete can move closer to the $18–$35 range, while a broom-finish slab with stable subgrade can be at the lower end. In Union Bay, older homes may have undocumented drainage patterns—downspouts and roof runoff that were routed poorly can create a wet subgrade, adding dollars to grading and base replacement. It’s also why proper edge restraints and drainage grading often cost more up front, but prevent recurring patch work.
| Price Factor |
Why It Matters |
Cost Impact |
| Driveway area in sq ft — the primary cost driver |
Material and production time scale directly with square footage |
Often 50–70% of total variance |
| Base depth required — frost line determines granular thickness |
More excavation and compaction are needed when soils are weak or stay wet |
Can swing 10–25% depending on soil |
| Grading and drainage work — slope or drainage corrections add cost |
Better slope and sub-drainage reduce freeze–thaw damage |
Typically +5–20% |
| Tear-out of existing surface — breaking and hauling concrete or old asphalt |
Disposal, loader time, and disposal fees increase the budget |
Often +10–30% |
| Edge restraints and curbing — needed to prevent paver spread |
Stabilizes the perimeter against water movement and load transfer |
Usually +3–15% |
| Sealing requirement — asphalt must be sealed after 6–12 months |
Sealing protects from water penetration and summer oxidation |
+1–4% if included early; otherwise later repairs cost more |
| Site access — narrow or tight lots slow equipment movement |
More labour per hour when smaller equipment is required |
Can add 5–15% on tight sites |
| Asphalt mix specifications — freeze-thaw-rated mix costs more |
Better performance under coastal wetting cycles and freeze–thaw conditions |
Often +2–8% but reduces early failures |
Permits & regulations in British Columbia
In British Columbia, paving a private driveway within your own property usually does not require a building permit, provided you’re not changing municipal services or altering drainage in the municipal right-of-way. However, permit/approval requirements can apply when the work touches public infrastructure. In practical terms, the work that typically DOES require municipal approval includes: new or modified curb cuts/driveway access that affects the roadway or sidewalk, any changes to boulevard area, alterations to storm drainage (for example, redirecting or connecting drainage where it impacts municipal systems), and work that affects a right-of-way or easement.
For Union Bay homeowners, the cleanest approach is to verify two things before demolition: (1) whether your planned excavation reaches into any boulevard/right-of-way area, and (2) whether lot grading bylaws or surface-drainage rules restrict how close hard surfaces sit to property lines. Also, always call for utility locates in BC before any digging—BC 1 Call is the standard step to avoid buried service hits.
To verify your contractor’s coverage in BC, ask for: a current certificate of insurance (liability) showing the right limits and that you’re listed as required/appropriate, confirmation of worker coverage (WSIB/WCB as applicable for the company), and the contractor’s business licensing/registration details. If they’re legitimate, they’ll provide documents quickly and match them to the scope on your quote. Finally, confirm the licence and coverage details before they mobilize equipment, not after excavation starts.
Asphalt vs pavers vs concrete for Union Bay driveways
For Union Bay, the “right” driveway material depends on how much you value upfront cost versus repairability and how your driveway handles the region’s wet winters. Asphalt is typically the lowest upfront option, especially when properly set on the right 4–6" granular base range and compacted drainage-ready subgrade. Its trade-off is maintenance: sealing every 3–5 years helps prevent water infiltration and surface oxidation, which matters when heavy rain repeatedly wets the pavement. Interlocking concrete pavers cost more at the start, but they’re often the best fit for homeowners who want curb appeal and a repair method that doesn’t require tearing out the entire driveway. You can lift and reset sections if there’s a localized settlement issue—an advantage in older neighbourhoods where drainage paths may not be consistent. Poured concrete sits in the middle on cost, but it can crack if it’s not air-entrained and if the base/subgrade moisture isn’t managed; freeze–thaw action plus wetting can expose weak spots. Salt use in winter isn’t as aggressive as in colder inland provinces, but sanding/salt variations still accelerate surface wear if concrete isn’t properly specified.
In terms of base preparation, Lower Mainland–Southwest practice still aims for granular support below typical freeze interference—so even though coastal frost is relatively shallow, excavation and compaction are what keep the surface flat. Where asphalt often holds up best is when drainage is corrected and the mix is freeze–thaw-rated. If drainage is poor, asphalt will usually show rutting or edge breakdown before a thicker paver system would. For a concrete example: if your asphalt quote lands around $12–$20 per sq ft and pavers come in near the $20–$40 per sq ft band, the price difference is usually justified when you want long-term curb appeal and the ability to repair a section without a full replacement.
| Material |
Frost Resistance |
Curb Appeal |
Repair Method |
Lifespan |
Price Band |
| Asphalt (sealed regularly) |
Good with correct base + drainage and freeze–thaw mix |
Moderate |
Patch localized areas; re-seal periodically |
12–20 years |
$12–$20 |
| Interlocking concrete pavers |
Excellent when base is properly compacted and edges restrained |
High |
Lift/reset individual stones; refresh joint sand |
25–35 years |
$20–$40 |
| Poured concrete (air-entrained) |
Good with air-entrainment and proper drainage/base |
Moderate |
Limited patching; consider grinding/patching for small areas |
20–30 years |
$18–$35 |
| Exposed aggregate concrete |
Good with correct mix and surface curing |
High |
Patch is possible but less invisible than pavers |
20–30 years |
$22–$38 |
| Permeable pavers (drainage grid) |
Very good for water management when detailed correctly |
High (architectural) |
Lift/reset affected units; inspect underdrain system |
25–35 years |
$24–$45 |
| Chip seal / tar-and-chip |
Fair to good; best as top surface over stable base |
Low to moderate |
Re-chip/overlay sections |
5–12 years |
$8–$15 |
How to choose a paving contractor in Union Bay
Choosing the right paving contractor in Union Bay starts with proof, not promises. In British Columbia, verify the company’s business standing and ask for a current certificate of liability insurance—this should match the job address and include appropriate coverage limits. Confirm worker coverage (WSIB/WCB as applicable for the company) so you’re not exposed if someone gets hurt on-site. If the contractor uses subcontractors (for excavation, hauling, or concrete), ask who is responsible for insurance and workmanship and request documentation for the relevant parties.
Next, get 2–3 itemised written quotes. You want a breakdown that separates labour, excavation, granular base materials, compaction, asphalt/paver/concrete thickness, disposal fees, and any drainage/grading corrections. Avoid “one-line” estimates unless they explicitly list scope. Read the scope carefully: what’s excluded (for example, removal of rock ledge, off-haul distances, or rebuilding damaged edges)? Is the cost of disposal included? Will they supply and compact the full base thickness, and is there a schedule for top coating/sealing if you’re doing asphalt?
Warranty matters. Ask for the workmanship warranty length in writing, plus the product/manufacturer warranty where applicable. Clarify whether warranty coverage transfers to you if you sell the home. Payment should be staged—never pay more than 10–15% upfront, and hold back payment until the work is complete and verified. Finally, insist on a written timeline with a start date estimate and completion target, because wet weather can shift crews and crews won’t always be able to “re-schedule around your driveway” on short notice.
- Ask for proof of liability insurance and check the certificate details match your project.
- Confirm worker coverage (WSIB/WCB as applicable) before any excavation starts.
- Require an itemised quote (no “lump sum” with undefined allowances).
- Verify base thickness and compaction method are included for your soil conditions.
- Ask how they handle wet subgrade or clay-heavy areas (sub-drains, undercut/replacement).
- Confirm tear-out scope (asphalt/concrete/gravel) and disposal/hauling is priced.
- Check drainage details: slope direction, swales, and edge water control.
- For pavers, confirm edge restraints and locking/bedding sand specs are included.
- For asphalt, confirm when sealing is required (typically after 6–12 months).
- Ask about cleanup standards and whether they restore landscaping surfaces.
- Get warranty terms in writing and confirm what “workmanship” covers.
- Set a payment schedule with a holdback until inspection/acceptance.
In Union Bay, common red flags include: a quote that avoids specifying base thickness, a contractor who won’t discuss drainage or shows the same base plan for every lot, vague wording like “as needed” for tear-out, requesting large deposits upfront (beyond 10–15%), and providing no written warranty or clear timeline. Also be cautious if they can’t provide recent project references in the region where freeze–thaw and heavy rain dictate the details.
Frequently asked questions — paving in Union Bay
When is the best time of year to pave in Union Bay?
In British Columbia, the best window is typically late spring through summer, when rainfall is less persistent and base materials can be installed and compacted to spec. In Union Bay, you’ll usually get the smoothest scheduling between early May and late September, but it depends on what your soil is doing—if the subgrade stays wet or saturated, contractors need more drying time even if temperatures look suitable. Asphalt also requires appropriate paving temperatures; hot-mix asphalt generally needs warm conditions (often above about 10°C air temperature) for proper compaction and finish. That’s why spring/fall storms can push crews to shorter shifts, and pricing can tighten when the season compresses. If you’re budgeting, treat paving as a “planned project,” not something you want to rush after a heavy rain event.
How deep should the base be for Union Bay's frost?
Coastal BC doesn’t get the deep, long interior freeze, but good driveway design still accounts for freeze interference and the freeze–thaw cycles around the region’s working freeze line. For many Union Bay driveways on typical residential soils with correct drainage, practice commonly lands around a 4–6" compacted granular base, with deeper excavation when the subgrade is weak, saturated, or clay-heavy. If a contractor proposes “thin base because it’s mild here,” that’s often where heaving and rutting start later. A proper base depth is also tied to drainage: if water can’t get away from the subgrade, even the right thickness may underperform. Expect the final number to come from an on-site assessment rather than a one-size template.
How often should I seal my asphalt driveway?
For asphalt in Union Bay, sealing is usually recommended every 3–5 years after the initial cure window. Contractors often don’t seal immediately—they typically wait until the asphalt has cured sufficiently, commonly after 6–12 months, so the seal coat bonds correctly. If you skip sealing, water can penetrate and soften the surface, especially after heavy rainfall, which increases the risk of cracking and pothole-style damage in the wettest years. Sealing schedules also depend on traffic and how much sand/de-icing residue you use. When you compare quotes, look for whether sealing is included or at least mentioned as a future line item; that’s one reason two “similar” asphalt prices can diverge over the driveway’s lifetime.
Why does my driveway crack and heave in winter?
Cracking and heaving in Union Bay usually come from moisture and base issues rather than “the asphalt is bad.” The winter wetting followed by freeze–thaw cycles can cause expansion where water sits in the subgrade or where the base isn’t thick/compacted enough. Clay-heavy soils or drainage that directs water toward the driveway instead of away from it can create a consistently wet layer, which then expands under freezing conditions. Edge areas are especially vulnerable if restraints aren’t installed properly, allowing lateral movement. Another common cause is overlaying asphalt without confirming the existing base is sound—reflection cracking can telegraph underlying problems. If you’re seeing heaving, it’s worth assessing drainage and base thickness, not just patching the surface.
Do I need a permit to pave my driveway in British Columbia?
In most cases, paving a private driveway within your own property in British Columbia does not require a building permit. For Union Bay homeowners, permits/approvals are more likely when your project affects the municipal right-of-way—such as changes to curb cuts, boulevard alterations, or modifications to storm drainage connected to municipal systems. Some municipalities also have lot-grading rules that restrict where hard surfaces sit relative to property lines and how water is directed. The practical step is to confirm whether any part of your excavation touches boulevard/right-of-way areas and whether drainage ties into municipal infrastructure. Your contractor should be able to explain what permits are needed before work starts—especially if the quote includes excavation that could extend beyond the lot line.
How long before I can drive on new asphalt?
After asphalt paving in British Columbia, you can usually drive on the surface relatively soon, provided the contractor has completed compaction, rolling, and any required finishing. Typical guidance is that light traffic may be acceptable within hours, while heavier loads or vehicles that could disturb the surface may need more curing time—often 24–48 hours depending on weather. The local rain risk matters: in Union Bay’s wet fall/spring conditions, crews may need extra protection time to prevent surface moisture issues. If your driveway also needs sealing later, remember that sealing generally happens after the asphalt has cured, commonly after 6–12 months. As a planning point, if you’re budgeting around $12–$20 per sq ft for new asphalt, factor in the future seal coat so the timeline and costs align.
