Blackwell, Sarnia - July 2026 Real Estate Report

Blackwell, Sarnia: Your House Is Worth More Than You Think - Your Condo, Not So Much

The Vibe Right Now

If you own a house in Blackwell, you are sitting on one of Sarnia's pricier addresses. If you own a condo here, the picture is a bit more complicated. Let's break it down honestly.

Houses: Still the Top of the Market

The average HonestDoor Price for a Blackwell house sits at $1,094,667. Yes, that is down 3.85% from the previous period - the market is taking a breather. But here is the thing: the forward-looking predicted value climbs to $1,138,473, which is already trending above the 3-month moving average of $1,109,480. That gap tells us the dip may already be behind us.

On the neighbourhood leaderboard, Blackwell houses rank 8 out of 19 comparable Sarnia neighbourhoods for growth. That puts us in above-average territory - not leading the pack, but solidly ahead of the middle.

• Average HonestDoor Price: $1,094,667
• Recent price change: -3.85%
• Predicted market value: $1,138,473
• 3-month moving average: $1,109,480
• Estimated monthly rent: $4,570
• Rental yield: 4.53%
• Airbnb rank in Sarnia: 1st
• Growth rank: 8 out of 19 (above average)

That Airbnb rank of 1st in Sarnia is worth paying attention to. At an estimated $227 per night, Blackwell houses are the most in-demand short-term rental addresses in the city. If you have a spare unit or are considering a rental strategy, that is a real edge over every other neighbourhood here.

Compare us to the neighbours: Oakwood averages $974,209, Wiltshire comes in at $638,915, and Oak Acres sits at $480,293. Blackwell houses are priced well above all three. That premium is not random - it reflects what buyers are actually willing to pay to be here.

Condos: Time to Pay Close Attention

The condo story in Blackwell is a different conversation. The average HonestDoor Price jumped 25.73% to $310,800 - which sounds great on paper. But the predicted market value is $247,200, and that number is falling below the 3-month moving average of $273,600. Recent price change sits at -6.75%.

On the neighbourhood leaderboard, Blackwell condos rank 19 out of 19 in Sarnia for growth. That is last place. Nearby Wiltshire condos are predicted at $286,101 and Oakwood at $271,583 - both higher than Blackwell's predicted condo value right now.

• Average HonestDoor Price: $310,800
• Recent price change: +25.73%
• Predicted market value: $247,200
• 3-month moving average: $273,600
• Estimated monthly rent: $1,340
• Rental yield: 4.25%
• Airbnb rank in Sarnia: 4th
• Growth rank: 19 out of 19 (bottom performer)

The gap between that 25.73% HonestDoor Price jump and the declining predicted value is something condo owners here need to watch. The assessment-era number looks rosy. The real-time data tells a more cautious story.

The Secret Sauce: Why Your HonestDoor Price Matters More Than Your Tax Assessment

Your city assessment is a snapshot frozen in time. It gets updated on a schedule, not when the market moves. By the time that number lands in your mailbox, it can already be months - or years - out of date.

The HonestDoor Price is recalculated in real time using actual sales data, current market trends, and comparable properties. For Blackwell house owners, that means knowing your home is tracking toward $1,138,473 right now - not waiting until next year's assessment to find out. For condo owners, it means seeing the -6.75% shift before it catches you off guard at the negotiating table.

Think of the HonestDoor Price as the number your real estate agent would whisper to you before you listed - not the number the city prints on a form.

So What Does This Mean If You Are Thinking About Selling This Summer?

For house owners: this is a reasonable window. The short-term dip of 3.85% is real, but the predicted value and rising moving average suggest the floor is close. Buyers who want Sarnia's top Airbnb address - and that is what Blackwell is, ranked 1st in the city - are still in the market. A well-priced listing at or near $1,094,667 to $1,138,473 has a credible story to tell.

For condo owners: be honest with yourself before you list. The HonestDoor Price of $310,800 looks strong, but the predicted value of $247,200 and a last-place growth ranking mean buyers doing their homework will push back on price. If you need to sell this summer, price it to move. If you can wait, watch the 3-month moving average - right now it is still falling.

Either way, check your HonestDoor Price before you do anything else. It is the most current read on what your Blackwell property is actually worth today - not what the city guessed it was worth last year.

This information is all based on our opinions based on the information available to us. Everyone's situation may be different and you should reach out to us for more personalized information.