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639 Thornhill Drive NW
A rare and highly desirable infill development lot in the established community of Thorncliffe (NW Calgary), offering exceptional location advantages and fully approved plans for immediate construction. This property is zoned R-CG and comes with an approved Development Permit for two detached single-family homes (~2500sqft each with 5 bedrooms, gym, rec room, 4.5 bathroom), each designed with a front-attached double garage—a premium feature seldom available in inner-city infill projects.Positioned directly across from TLC Elementary School and backing onto a beautiful dog-park green space, the site provides an ideal blend of family-friendly convenience and unobstructed natural views. Few lots offer this combination of front-to-back openness, making it a standout opportunity for builders, investors, or homeowners seeking a custom build.All City of Calgary levies have been fully paid, significantly reducing upfront development costs. In addition, complete architectural and structural drawings are included, saving months of design time and allowing you to move straight into the building phase.Whether you plan to build and sell, build and hold, or create multi-generational living options, this property delivers the zoning flexibility, approvals, and location advantages that make infill projects successful. (id:65958)
Main level
| Room | Dimensions | Features |
|---|---|---|
| Bedroom | 2.72 M x .90 M | |
| Primary Bedroom | 3.35 M x 4.19 M | |
| Bedroom | 2.72 M x 2.90 M | |
| 4pc Bathroom | 1.47 M x 3.00 M |
10-item due-diligence checklist. We can pre-flight most of these for you on a CMA call.
Comparable sales
Ask for 3–5 recent solds within ~1 km and the same beds/baths so the list price has context.
Property condition
Roof age, furnace age, hot-water tank age, electrical panel size, windows. Cosmetic vs structural.
Zoning
Confirm zoning matches your intent (single-family vs duplex vs secondary suite vs commercial).
Suite legality / potential
If suited or being marketed as suited: confirm permits, separate entrance, ceiling height, egress windows.
Monthly carrying cost
Mortgage + property tax + insurance + condo fee (if any) + utilities. Compare to your max budget.
Property taxes
Confirm the annual tax amount on the current assessment — and whether a reassessment is pending.
Insurance estimate
Get a same-day quote. Older homes, knob-and-tube wiring, polybutylene plumbing, flood plains all change the number.
Commute
Drive it (or transit it) at the actual time of day you'd commute. Map ETA lies during peak hours.
Deposit and financing conditions
Deposit size, financing condition window, condition removal date, possession date — all negotiable.
Inspection considerations
Budget for a home inspector ($500–700) and any specialty inspections (sewer scope, mould, asbestos for pre-1990 builds).
Cash on cash
-1.10%
Cap rate
4.64%
GRM
13.9
Break-even rent
$4,541
Financing
Operating expenses (monthly)
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Approximation only. Actual cash flow depends on financing terms, condition reports, current market rents, property tax assessment, condo fees, and tenant quality. Defaults: 4.5% rate, 30-year amortization, 5% vacancy, 1%/yr maintenance, 0.5%/yr CapEx reserve, $80/mo insurance. Property tax estimated at 0.55%/yr where not provided. Talk to a mortgage broker before relying on these numbers.
Pick a down payment and tap any underlined number to edit. Total updates live. Confirm with a mortgage broker before writing an offer.
Monthly carrying costs (shared)
Approximation only. CMHC default insurance is included when down payment is under 20%. Property tax and condo fees come from MLS when listed and may not reflect the current billing year. Accelerated bi-weekly frequency reduces total interest paid vs. monthly — confirm with a broker. Suite rental income depends on permits, market rent, and vacancy. Always validate with a mortgage broker before writing an offer.
We'll reply by text within a few hours. Comparable sales, condition flags, things worth checking — sent before you book a showing.
Listing brokerage
Listing brokerage on file
Listing data via CREA DDF®. Information is deemed reliable but not guaranteed accurate by CREA. Last updated Jun 15, 2026.
Location of this listing. Distances are straight-line.
Key nearby — mosques, halal & Islamic schools
Mosque
6.7 km away
8.4 km away
8.6 km away
8.6 km away
Al Madinah Islamic Centre
9.2 km away
Elementary
Calgary Islamic School – Akram Jomaa Campus
Islamic · K–9
6.7 km away
Calgary Islamic School – Omar Bin Al-Khattab Campus
Islamic · K–9
8.8 km away
9.5 km away
Halal grocery
Amir Halal Meats & Grocery
8.8 km away
Shaheen Grocery, Bakery & Halal Meat
8.9 km away
Distances are straight-line (not drive time). Full neighbourhood intelligence (schools, transit, parks) builds automatically.
Buyer-fit signals
Derived from listing data and nearby-amenity proximity. Verify anything that matters to your decision — distances are approximate.