Evaluating Properties Near Train Stations vs. Bus Routes

Of my 9 rental properties, 6 sit within an 8-minute walk of a train station and 3 sit along a bus route with a 12-minute ride into the nearest station. The rent gap between those two groups is bigger than most first-time investors expect: my station-adjacent units average 78,000 yen a month, while my bus-route units average 61,000 yen for a nearly identical floor plan. That 22% difference isn’t a coincidence, and it’s the first thing I check before I even look at a listing photo.

I bought my first bus-route property back when I was still learning, and I paid for that lesson with almost 4 months of vacancy. Since then I’ve built a simple framework for weighing station access against price, and I want to walk through exactly how I run those numbers now.

Why Walking Distance to the Station Still Wins

In Japan, walking minutes to the nearest station is printed right on the listing, and tenants treat it like a scorecard. In my experience, anything inside 10 minutes rents itself. Between 10 and 15 minutes, I start seeing longer vacancy periods, usually 3 to 5 extra weeks per turnover. Past 15 minutes on foot, unless there’s a bus that runs every 10 minutes or less, applications drop off fast.

One of my station-front units, a 1K about 6 minutes from the platform, has had the same tenant for 4 years and I raised the rent by 3,000 yen at the last renewal without a single complaint. Try that with a bus-route unit and you’ll likely lose the tenant instead.

The Bus Route Trap I Learned the Hard Way

My bus-route mistake was a 2-story house I bought for 9.8 million yen, about 15% below what a similar station-adjacent property would have cost. The bus ran every 20 minutes on weekdays and dropped to every 40 minutes on weekends and holidays. I didn’t think much of it until I tried to re-rent the place and realized most tenants wouldn’t even come look at it once they saw the timetable.

It sat empty for 112 days that first turnover, which cost me roughly 210,000 yen in lost rent alone, on top of the utilities and management fees I still had to pay. That single vacancy wiped out almost 2 years of the discount I thought I’d gotten on the purchase price.

Running the Real Numbers, Not Just Purchase Price

Now I calculate yield differently for bus-route candidates. I don’t just look at cap rate on paper, I build in an extra vacancy buffer. For a station-adjacent property, I typically assume 1 month of vacancy per turnover when I’m underwriting a deal. For a bus-route property, I assume 3 months minimum, and I’ve started assuming 4 for anything with buses running less than twice an hour.

Here’s a comparison from two properties I actually own, both roughly 45 square meters, purchased within a year of each other:

• Station-adjacent unit: purchase price 11.5 million yen, monthly rent 79,000 yen, actual annual vacancy loss around 66,000 yen
• Bus-route unit: purchase price 9.2 million yen, monthly rent 60,000 yen, actual annual vacancy loss around 180,000 yen
• Net yield after realistic vacancy: station-adjacent comes out to roughly 8.1%, bus-route comes out to roughly 6.4%
• Time to re-rent after tenant move-out: about 18 days for the station unit versus 71 days for the bus unit, averaged over 6 years of ownership

On paper the bus-route property looked like the better deal because of the lower purchase price. In practice, the station-adjacent unit has earned more every single year once I account for how long it actually sits empty between tenants.

What I Check Before Buying Near a Bus Line

I still buy bus-route properties occasionally, because the discount can be worth it if the fundamentals check out. Before I make an offer now, I go through a short list.

• Bus frequency: I want at least one bus every 10 minutes during rush hour, and no more than a 20-minute gap on weekends
• Last bus time: anything before 11pm on weeknights is a dealbreaker for me, since it rules out shift workers and students
• Ride length to the nearest major station: I try to stay under 15 minutes by bus
• Fixed bus fare versus a monthly commuter pass discount, since tenants factor this into their real cost of living
• Whether the bus route has been stable for at least 10 years, since rural routes do sometimes get cut

If a property fails 2 or more of those checks, I walk away regardless of how good the price looks.

When a Bus Route Property Still Makes Sense

I’m not saying avoid bus routes entirely. One of my best-performing properties by cash-on-cash return is a bus-route house I bought for 7.4 million yen near a bus stop with service every 8 minutes on weekdays. Because the bus is frequent and reliable, and the purchase price was low enough, that property still nets me close to 9% annually even with a slightly longer average vacancy.

The key difference between that property and my failed 9.8 million yen house is frequency and reliability, not the mere presence of a bus stop. A bus every 8 minutes functions almost like a train line to tenants. A bus every 20 to 40 minutes does not, no matter how nice the house is.

My rule of thumb after 15 years of doing this myself: pay the premium for a station within 10 minutes unless the bus alternative saves you at least 20% on price and runs at least every 10 minutes on weekdays. That single filter has kept my vacancy rate across all 9 of my properties under 5% for the last 3 years running.

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