What's the typical deposit and payment schedule for Calgary basement contractors?

The standard payment structure for Calgary basement contractors is a deposit of 10% to 20% upfront, followed by progress payments tied to completed milestones, with a 10% holdback released upon final completion and inspection. Any contractor asking for more than 30% upfront or requesting full payment before work begins is a significant red flag — walk away regardless of how attractive their price seems.

A typical payment schedule for a Calgary basement development might look like this: 10–15% deposit upon signing the contract to secure your spot in the schedule and allow the contractor to order materials; 25–30% after framing and rough-in electrical/plumbing are complete and have passed inspection by a Safety Codes Officer; 25–30% after drywall, insulation, and major finishing work is complete; and a final 10–15% upon project completion, including passing all final inspections and a walkthrough where you confirm satisfaction with the work. For a $50,000 basement development, that translates to roughly $5,000–$7,500 down, two progress payments of $12,500–$15,000 each, and a final payment of $5,000–$7,500.

The holdback is your most important financial protection as a homeowner. Alberta's Builders' Lien Act gives sub-trades and material suppliers the right to place a lien on your property if the general contractor doesn't pay them — even if you've already paid the GC in full. By holding back 10% until you've confirmed all sub-trades have been paid and the 45-day lien period has expired, you protect yourself from paying twice. Reputable Calgary contractors understand this and build it into their payment schedules without objection.

Get everything in writing. Your contract should specify the total price, detailed scope of work, payment schedule with specific milestones (not dates — milestones), estimated timeline, warranty terms, and what constitutes a change order. Change orders — modifications to the original scope — should be documented and signed by both parties with agreed pricing before the additional work begins. Verbal agreements about changes are the single most common source of disputes in basement renovations.

Before making your deposit, verify that the contractor carries WCB Alberta coverage by requesting a current clearance letter, confirm they have general liability insurance (minimum $2 million is standard), and ensure they will be pulling all necessary City of Calgary permits under their name. If a contractor suggests you pull the permits yourself to save money, that's a warning sign — it shifts liability to you and may indicate they're not properly registered.

Pay by cheque or e-transfer with a clear paper trail — never cash. If a contractor offers a significant discount for cash payment, they may be operating under the table without proper insurance or WCB coverage, leaving you exposed. Need help finding reputable basement contractors? Browse the Calgary Construction Network directory at calgaryconstructionnetwork.com for local professionals.