Rental numbers for Boulder County, CO
The typical home here runs -$3,051 a month at 7.78% with 25% down. 0 of 9 ZIP codes with full Zillow data in this county are cash-flow positive; the median gross yield is 3.5%.
- Gross yield
- 3.7%
- typical home, Zillow
- Median ZIP yield
- 3.5%
- 9 ZIPs with full data
- Cash flow
- -$3,051/mo
- at 7.78%, 25% down
- Typical price
- $712,000
- Zillow ZHVI, Aug 2026
- Typical rent
- $2,222/mo
- Zillow ZORI, Aug 2026
ZIP codes in Boulder County
14 with published figures
| 80455Jamestown | $540,000 | $2,240* | 5.0% | 2.3% | -$1,856 | n/a |
| 80510Allenspark | $499,000 | $2,010* | 4.8% | 2.2% | -$1,788 | n/a |
| 80481Ward | $522,000 | $1,990* | 4.6% | 2.0% | -$1,923 | n/a |
| 80501Longmont | $482,000 | $1,829 | 4.5% | 1.8% | -$1,855 | +0.9% |
| 80301Boulder | $701,000 | $2,384 | 4.1% | 1.6% | -$2,823 | +1.3% |
| 80026Lafayette | $666,000 | $2,196 | 4.0% | 1.5% | -$2,741 | +0.5% |
| 80540Lyons | $748,000 | $2,290* | 3.7% | 1.3% | -$3,250 | n/a |
| 80305Boulder | $974,000 | $2,925 | 3.6% | 1.4% | -$4,151 | +4.0% |
| 80027Louisville | $821,000 | $2,426 | 3.5% | 1.2% | -$3,607 | +2.8% |
| 80466Nederland | $672,000 | $1,930* | 3.5% | 1.0% | -$3,043 | n/a |
| 80303Boulder | $812,000 | $2,277 | 3.4% | 1.1% | -$3,659 | -0.3% |
| 80503Longmont | $733,000 | $1,899 | 3.1% | 0.8% | -$3,472 | +1.9% |
| 80302Boulder | $1,099,000 | $2,341 | 2.6% | 0.4% | -$5,511 | +2.6% |
| 80304Boulder | $1,220,000 | $2,468 | 2.4% | 0.3% | -$6,229 | +1.1% |
* HUD Fair Market Rent, 2 bedroom, where Zillow publishes no rent index. Conservative.
Trends
Five years to August 2026
- Price, 12 months
- -0.8%
- Rent, 12 months
- +1.4%
- Rent minus price growth
- +2.1 pts
- Property tax
- 0.53%
- effective rate, ACS 2024
Show the numbers
| Month | Typical value | Rent |
|---|---|---|
| Aug 2021 | $675,062 | $1,870 |
| Aug 2022 | $778,208 | $2,020 |
| Aug 2023 | $736,598 | $2,108 |
| Aug 2024 | $738,136 | $2,189 |
| Aug 2025 | $717,616 | $2,192 |
| Aug 2026 | $712,033 | $2,222 |
HUD Fair Market Rent
FY2027, Boulder, CO MSA
| Bedrooms | Studio | 1 bed | 2 bed | 3 bed | 4 bed |
|---|---|---|---|---|---|
| Fair Market Rent | $1,520 | $1,735 | $2,033 | $2,703 | $3,146 |
The 40th percentile gross rent for a standard unit, set by HUD each October and used for Section 8 payment standards. It runs below market rent; Zillow's index is shown above where it exists.
Supply
- Permits per 1,000 households
- 12.4
- 1,696 units, last 12 months
- National percentile
- 78th
- among US counties
Tools
Test a listing in Boulder County against today's rate.
Open the calculatorPart of the Boulder, CO metro.
Questions
- Is Boulder County good for rental property?
- The typical home here runs -$3,051 a month at 7.78% with 25% down. 0 of 9 ZIP codes with full Zillow data in this county are cash-flow positive; the median gross yield is 3.5%. The figures use a typical home, 7.78% with 25% down and default costs shown on each ZIP page. They describe the market, not any one property.
- What is the property tax rate in Boulder County?
- About 0.53% of value, from Census ACS median taxes paid over median home value. On a $712,000 home that is about $3,767 a year.
- What is Fair Market Rent in Boulder County?
- HUD's FY2027 Fair Market Rent here is $1,735 for a 1-bedroom, $2,033 for a 2-bedroom and $2,703 for a 3-bedroom. Typical cash flow at today's rate is -$3,051 a month.
Sources and method
- Zillow Home Value Index (ZHVI), mid tier, smoothed and seasonally adjusted
Zillow Research. Read: 2026-08.
Typical home value by ZIP, county, metro and state, and the price trend.
- Zillow Observed Rent Index (ZORI), all homes plus multifamily, smoothed
Zillow Research. Read: 2026-08.
Typical market rent by ZIP, county and metro, and the rent trend (tier A pages).
- HUD Small Area Fair Market Rents, FY2026
US Department of Housing and Urban Development. Read: FY2026.
Rent by bedroom count for every ZIP. The rent used on tier B pages, and a reference on all pages. It is the 40th percentile gross rent, so it runs below market.
- HUD Fair Market Rents by county, FY2027
US Department of Housing and Urban Development. Read: FY2027.
County rent by bedroom count on county pages.
- American Community Survey 5-year estimates, 2020 to 2024 (B25103 median real estate taxes paid, B25077 median home value, B11001 households)
US Census Bureau. Read: 2020 to 2024.
Effective property tax rate (median taxes paid divided by median value) by ZIP code tabulation area, county and state; households for the permits ratio.
- Freddie Mac Primary Mortgage Market Survey, 30-year fixed (FRED series MORTGAGE30US)
Freddie Mac via the Federal Reserve Bank of St. Louis. Read: 2026-09-24.
The weekly 30-year rate. The site adds a disclosed investor premium to it for the loan payment.
- Building Permits Survey, county monthly files
US Census Bureau. Read: 2025-09 to 2026-08.
New housing units permitted in the last 12 months per 1,000 households, a supply-pressure signal.
Data: Zillow Research (ZHVI, ZORI), HUD, US Census Bureau, Freddie Mac. Every formula is on the methodology page.
Estimates from public data for a typical property. Not investment, tax or legal advice. Your property, financing and costs will differ.