Revolutionizing · Modernizing · SimplifyingRevolutionizing · Modernizing · SimplifyingGunbarrel Green and Mapleton are both neighbourhoods of Boulder, CO. There are 12 homes for sale in Gunbarrel Green and 5 in Mapleton as this page loaded. Mapleton is the more expensive of the two: a median asking price of $4,345,000 against $2,172,500 in Gunbarrel Green, about 100% higher. By the foot it is $479 in Gunbarrel Green against $1,021 in Mapleton. A typical home is 3,775 square feet in Gunbarrel Green and 4,249 in Mapleton, built around 1972 and 1902 respectively. Homes are moving faster in Gunbarrel Green: a median of 75 days on the market against 79 in Mapleton. Both are in the Boulder Valley RE 2 school district, so the difference between them is the assigned schools rather than the district.
| Measure | Gunbarrel Green | Mapleton |
|---|---|---|
| For sale today | ||
| Homes for sale | 12 | 5 |
| Median asking price | $2,172,500 | $4,345,000 |
| Cheapest home for sale | $1,010,000 | $3,500,000 |
| Dearest home for sale | $4,750,000 | $5,950,000 |
| Median price per sq ft | $479 | $1,021 |
| Median days on market | 75 | 79 |
| The homes themselves | ||
| Median size (sq ft) | 3,775 | 4,249 |
| Median bedrooms | 5 | 4 |
| Typical year built | 1972 | 1902 |
| What actually sold, last 12 months | ||
| Homes sold | 27 | 7 |
| Median sold price | $1,295,000 | $2,225,000 |
| Schools the homes for sale are assigned to | ||
| School district | Boulder Valley RE 2 | Boulder Valley RE 2 |
| Elementary | Heatherwood | Whittier E-8 |
| Middle | Platt | Casey |
| High school | Boulder | Boulder |
| Getting around, out of 10 | ||
| Walkability | 7/10 | 8/10 |
| Transit | 5/10 | 7/10 |
| Biking | 8/10 | 8/10 |
| Quiet | 7/10 | 8/10 |
| Calm streets | 7/10 | 8/10 |
| Getting around | 8/10 | 9/10 |
The darker figure in each row is the lower price, the shorter wait, the bigger number or the higher score — which of those is good news depends entirely on whether you are buying or selling, and on what you want from a street.
Gunbarrel Green is a modern residential community in Boulder's northeast quadrant, designed around walkability and green space. The neighborhood features contemporary homes, parks, and trails with easy access to shopping and dining.
Mapleton is a charming, tree-lined residential neighborhood in north Boulder, known for its walkable streets, mature landscaping, and proximity to downtown. The area blends quiet single-family character with convenient access to Pearl Street's shops and restaurants, local parks, and the University of Colorado campus.
Mapleton is more expensive. The median asking price is $4,345,000 in Mapleton against $2,172,500 in Gunbarrel Green. By price per square foot they run $479 in Gunbarrel Green and $1,021 in Mapleton, which is the fairer comparison when the homes are different sizes.
A typical home for sale is 3,775 square feet in Gunbarrel Green and 4,249 square feet in Mapleton, with a median of 5 and 4 bedrooms respectively.
Going by the homes on the market today, Mapleton is the older of the two: a typical home there was built around 1902, against 1972 in Gunbarrel Green.
Homes for sale in Gunbarrel Green have been listed a median of 75 days, against 79 days in Mapleton. Over the last twelve months 27 homes sold in Gunbarrel Green and 7 in Mapleton, which is the better measure of how busy each one is.
Both are in the Boulder Valley RE 2 school district. The homes for sale in Gunbarrel Green are most often assigned to Heatherwood Elementary, Platt Middle, Boulder High School; in Mapleton it is Whittier E-8 Elementary, Casey Middle, Boulder High School. School assignment can change, so confirm with the district before it decides anything.
Symbio rates Mapleton 8 out of 10 for walkability, against 7 for Gunbarrel Green. On transit they score 5 and 7.
They are not a monthly snapshot. Both neighbourhoods are worked out from the live MLS feed every fifteen minutes and both sides are read from the same instant, so the two sides are always measured against each other rather than against different weeks. The exact moment is stamped at the foot of this page.
Both neighbourhoods come from the live MLS feed, worked out again every fifteen minutes, and both are read from the same instant, so the two sides are always comparable. Figures cover residential homes; rentals, land and commercial are excluded, as are fractional co-ownership shares, which are priced per share and would distort the medians. Sold figures cover the last twelve months. Schools shown are the ones the homes for sale today are assigned to and can change - check with the district before relying on them. Market data is deemed reliable but not guaranteed.
These figures were worked out from the live MLS feed at September 22, 2026 at 9:23 PM Mountain time, and are recomputed every fifteen minutes.