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Rental Property Investment Guide: Boulder, CO

Updated 2026 · Based on median market data for Boulder, CO

Cap Rate
2.27%
Median Price
$715K
Rent/Mo
$2,240
1% Rule
0.31%
Fails

Market Snapshot

Boulder sits in the West with a population of 50,000 growing rapidly at 1.3% annually. The median home costs $715,000 while rents average $2,240/mo, producing an estimated cap rate of 2.27%. Cash flow investing here requires creative strategies like BRRRR or value-add approaches.

Who Should Invest Here

Boulder works best for experienced investors with a clear strategy — Section 8, student housing, or deep value-add rehabs. The 2.27% cap rate at median prices is tight, so success depends on buying below market, forcing appreciation through renovation, or accessing above-market rent streams through niche tenant bases.

Deal Criteria for Boulder

Target properties priced 15-25% below the $715,000 median — around $572,000 or less. At this price point with $2,240/mo rents, your cap rate improves to roughly 3.2%. Factor in 0.51% property taxes ($3,647/yr), budget 5% of gross rent for maintenance, and underwrite to a 4.9% vacancy rate. On a 20% down conventional loan at 7%, monthly PITI will run approximately $4,208.

Risks and Considerations

Higher price points mean more capital at risk and tighter cash flow margins — ensure you have adequate reserves. Every deal should be evaluated individually using our calculator tools. Median data provides a starting point; actual returns depend on the specific property, financing, and your management approach.

Next Steps

Run the numbers on a specific Boulder property using our cap rate calculator (pre-filled with Boulder data). Compare Boulder against similar markets in the West region. If you're considering a value-add approach, try our BRRRR calculator to model a rehab scenario.

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How Boulder Compares

Boulder vs Colorado state average and national average across key investment metrics. Boulder's cap rate is below both benchmarks — deal sourcing is critical here.

Metric
Boulder
Colorado Avg
National Avg
Cap Rate
2.27%
2.75%
3.81%
Median Price
$715K
$611K
$333K
Median Rent
$2,240
$2,042
$1,524
Property Tax
0.51%
0.51%
1.08%
Vacancy
4.9%
4.9%
5.6%
Pop. Growth
1.3%/yr
1.3%/yr
0.9%/yr

Nearby West Markets

City
Cap Rate
Price
Rent
Tax
Boulder, CO
2.3%
$715K
$2,240
0.51%
Tacoma, WA
1.6%
$740K
$2,180
0.96%
Bozeman, MT
2.0%
$690K
$2,130
0.76%
Seattle, WA
1.7%
$740K
$2,180
0.92%
Gardnerville Ranchos, NV
2.7%
$680K
$2,440
0.56%

Frequently Asked Questions

Is Boulder, CO a good place to invest in rental property?
Boulder has an estimated cap rate of 2.27%, which is below the national average of 3.81%. With median home prices at $715K and rents of $2,240/mo, pure cash flow investing in Boulder is challenging at median prices, but value-add strategies can work. Population growth of 1.3% and 4.9% vacancy rate indicate healthy tenant demand.
What is the average cap rate in Boulder?
The estimated cap rate for Boulder is 2.27%, based on median home prices of $715K, median rents of $2,240/mo, a 0.51% property tax rate, and 4.9% vacancy. This compares to a 2.75% average across Colorado and 3.81% nationally. Cap rates for individual properties will vary based on purchase price, actual rents, and property condition.
How much does a rental property cost in Boulder?
The median home price in Boulder is $715,000, which is 114% above the national average of $333,419. A 20% down payment would be approximately $143,000. Investment properties in Boulder range significantly — targeting properties 15-25% below median can improve your cap rate substantially.
What are Boulder property taxes for investors?
Boulder's effective property tax rate is 0.51%, which is above the Colorado average of 0.51% and below the national average of 1.08%. On a $715K property, annual taxes are approximately $3,647 ($304/mo). Low property taxes are a significant cash flow advantage here.
Full Boulder Analysis →Cap Rate CalculatorBRRRR Calculator

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