639 Irwin Crescent, Newmarket, ON
Huron Heights-Leslie Valley, Newmarket · MLS® N13754020
About this home
In short
- Welcome to 639 Irwin Crescent, a solid brick raised bungalow on a quiet crescent in Newmarket's Huron Heights community.
- Offering 1,277 square feet above grade plus a finished lower level with a separate entrance, this home delivers the flexibility today's buyers are searching for.
- The main floor opens to a bright living room with a large picture window flowing into an open concept dining room with a walk-out to the deck.
- All three bedrooms are on the main level, including a spacious primary with a walk-in closet and two-piece ensuite, served by a full four-piece main bath.
- Outside, a fully fenced and landscaped yard offers privacy on a 40 x 115 foot lot, with a deck off the dining room for summer entertaining.
Welcome to 639 Irwin Crescent, a solid brick raised bungalow on a quiet crescent in Newmarket's Huron Heights community. Offering 1,277 square feet above grade plus a finished lower level with a separate entrance, this home delivers the flexibility today's buyers are searching for. The main floor opens to a bright living room with a large picture window flowing into an open concept dining room with a walk-out to the deck. The eat-in kitchen overlooks the dining area with generous cabinetry and counter space. All three bedrooms are on the main level, including a spacious primary with a walk-in closet and two-piece ensuite, served by a full four-piece main bath. Steps down to the basement leads to a kitchenette, an open-concept recreation room with wainscoting, a den, and a three-piece bathroom. Excellent potential for multi-generational living or extended family. Outside, a fully fenced and landscaped yard offers privacy on a 40 x 115 foot lot, with a deck off the dining room for summer entertaining. A built-in double garage plus private double driveway parks six vehicles in total. Roof replaced in 2021, with central air and forced air gas heating throughout. You are minutes from Southlake Regional Health Centre on Davis Drive, one of York Region's leading hospitals and one of Newmarket's largest employers, an exceptional fit for healthcare professionals and anyone who values being close to care. Davis Drive puts the VIVA Blue rapidway and its dedicated transit lanes within easy reach, along with YRT routes and Newmarket GO Station on the Barrie line for a straightforward commute to Toronto. Highway 404 sits a short drive east, with Upper Canada Mall, Riverwalk Commons, historic Main Street, schools, and parks all close at hand.
Key facts
- Property type
- Detached, Bungalow-Raised
- MLS®
- N13754020
- Bedrooms
- 3
- Bathrooms
- 3 (1 half)
- Size
- 1100-1500 sq ft
- Lot
- 40.03 × 115.07 ft
- Cross streets
- Davis Drive & Patterson Street
- Parking
- 2 garage · 6 parking (built-in)
- Driveway
- Private Double
- Basement
- Finished, Separate Entrance
- Kitchens
- 2 (1 + 1)
- Heating
- Forced Air
- A/C
- Central Air
- Exterior
- Brick
- Foundation
- Concrete
- Roof
- Asphalt Shingle
- Sewer
- Sewer
- Property tax
- $4,904 / 2025
- Days on market
- 41
- Listing brokerage
- EXP REALTY
Rooms
laminate · wainscoting · open concept
Broadloom
parquet · window · closet
parquet · 2 pc ensuite · walk-in closet(s)
parquet · window · closet
parquet · w/o to deck · overlooks living
parquet · large window · overlooks dining
laminate · large window · open concept
ceramic floor · eat-in kitchen · overlooks dining
Listed at $849,999. Going by how homes in Huron Heights-Leslie Valley and the wider GTA have actually closed against their asking prices (about 97%, 13 local closings in 90 days), the likely sale price is near $822K, if it sells. A realistic range is $771K to $927K.
Independent value check: $859K. Without looking at the asking price, our model values the home itself in line with the ask (homes like it typically land between $805K and $901K).
Why $859K. The typical detached home sold in Huron Heights-Leslie Valley over the past year went for about $939K (71 sales). What sets this one apart:
- ▼ Lowers it slightlyIts tax bill, which follows the city's own assessment, is $4,904 a year; the typical home sold here pays about $5,200.
Total price vs nearby homes. Likely closing about $822K, from 13 recent closings in this pocket.
The market behind the math:
About 3.5 months of inventory: 15 detached homes for sale in the area against 13 closings in the last 90 days. Under two months favours sellers, over four favours buyers.
Price per square foot: this home lists at $654/sqft against an area asking average of $729/sqft.
- Separate-entrance basement apartment features. A finished basement apartment with a separate entrance and a second kitchen. A self-contained space for extended family, guests or potential income. Basements do rent in Huron Heights-Leslie Valley: 18 of the 119 detached leases here lately were basement units, around $1,625 a month. That makes the suite real income. Second-suite retrofit status is not verified. A buyer intending to rent should confirm requirements with the Town of Newmarket.
How this estimate is builtthe short version
This figure comes from a model built on about 44,000 recent GTA sales. It weighs this home’s tax assessment, size, age, location and features against what homes like it actually sold for, including sales in this neighbourhood.
It never sees the asking price. The 13 most comparable recent sales on their own, adjusted for size, beds, baths and lot, point to about $800K. Condition and finishes remain an in-person call.
What the listing highlights4 points to weigh
Claims from the listing, worth confirming in person. I can book you a private showing.
- Separate entrance / basement suite: rental or in-law income potential, if it is legally registered and retrofit-compliant. Income potential
- Premium lot / gardens: lot size and privacy hold value and cannot be changed, verify frontage, depth, and any easements. Value driver
- Primary suite: a key comfort and resale feature. Lifestyle
- Open-concept layout: modern, sought-after flow. Lifestyle
Read this with carewhy it’s an estimate, not an appraisal
There were not many closely comparable homes right in Huron Heights-Leslie Valley, so I widened the search to the surrounding area.
Based on 13 comparable homes that sold in Huron Heights-Leslie Valley over the past two years, from 117 closings there.
The closest active listings by size, beds, and price, so you can see what this home is up against.
Per square foot, these ask about $812/sqft; this home lists at $654/sqft. Size is part of the price story, not just the sticker.
The 3 closest active listings nearby.
See all comparable homesSold price trend
Median sold price for detached homes in Newmarket: $1.04M in September 2026, up 1% from a year ago, on 532 closings in 12 months.
Line: median sold price, each month averaged with its neighbours and weighted by closings. Bars: closings that month. Newmarket as a whole: the neighbourhood alone has too few closings for a line of its own.
Month by month
| Month | Median sold | Closings |
|---|---|---|
| October 2025 | $1.08M | 46 |
| November 2025 | $1.05M | 34 |
| December 2025 | $1.10M | 29 |
| January 2026 | $1.03M | 27 |
| February 2026 | $1.08M | 31 |
| March 2026 | $1.10M | 41 |
| April 2026 | $1.08M | 51 |
| May 2026 | $1.16M | 66 |
| June 2026 | $1.13M | 60 |
| July 2026 | $1.06M | 54 |
| August 2026 | $1.09M | 55 |
| September 2026 | $1.04M | 38 |
Neighbourhood & location
Huron Heights-Leslie Valley, Newmarket, ON
Enter a workplace or destination and we’ll show the door-to-door time by car, transit and bike.
How asking prices compare in the closest areas to this home. Longer bars mean a pricier market.
Typical asking price of active listings of the same type, per area (outliers removed). Newmarket.
Get the full neighbourhood report (schools, parks, transit & safety) →
Affordability & Mortgage
Income needed assumes a ~32% GDS ratio; weekly is mortgage principal & interest only. Price ÷ income is the home price over the income needed. Fixed reference assumptions so listings compare on equal footing, not a lending decision.
Calculate and customize your mortgage and other expenses
Adjust the down payment, rate, and amortization, and add property tax, condo fees, and heating to see your true monthly cost.
Your numbers
Conventional (20%+ down). Best insured 5-year fixed 4.34% via Ratehub.ca (as of October 20, 2026); conventional rates run a little higher.
Mortgage amount $679,999 · 4.49% over 25 years
Total monthly cost
- Mortgage payment (monthly equivalent)
- $3,760
- Property tax
- $409
- Condo / maintenance fees
- $0
- Heating
- $0
- Estimated monthly cost
- $4,168
Add your own property tax, condo fees, and heating on the left for a sharper total.
One-time closing costs
- Ontario land transfer tax
- $13,475
- Estimated closing costs
- $13,475
Plus your down payment of $170,000. Legal fees, title insurance, and adjustments are extra and vary by deal.
Mortgage stress test
Lenders qualify you at the greater of your rate plus 2% or 5.25%. You do not pay this rate. It just shows you could still handle payments if rates rose, so aim to stay comfortable at this higher number.
Over the full 25 years
At the end of your 5-year term
- Total paid over the term
- $225,590
- Principal paid down
- $83,083
- Interest paid
- $142,507
- Balance remaining
- $596,916
Talk to Team Asgarian about your options
Rates and programs change often. We will connect you with a trusted mortgage professional and build a plan that fits your budget and goals.
Estimates only, not a mortgage quote or pre-approval. Figures use Canadian semi-annual compounding, current minimum down-payment rules, CMHC premium tiers, and Ontario (plus Toronto, when selected) land transfer tax. Actual rates, taxes, insurance, and closing costs vary by lender and property. Confirm every number with your mortgage professional.
Investor snapshot
The suite is real income here: basements rent in Huron Heights-Leslie Valley (18 of 119 recent detached leases were basement units, around $1,625 a month). The figure above is the whole house on one lease; rented as two units, the suite alone brings about $1,625 a month on top of the upper floors. Permitted use is worth confirming with the city.
Thinking of this home as an investment? We will pull real comparable rents and run the full numbers with you.
Talk about the numbersThe last 33 whole-home leases in Huron Heights-Leslie Valley signed at a median of $2,945 a month; adjusted to this home for size, beds and baths, and for where rents stood the month each signed, that is $3,031. The gross yield above is on the asking price, before taxes and upkeep; the cap rate is after them. A finished basement or second suite can push real rent above it. Taxes, fees, and vacancy vary by property, and cap rate is before financing.
Helpful resources
All information deemed reliable but not guaranteed. For personal, non-commercial use only. Listing courtesy of EXP REALTY. MLS®/PropTx.