1138 Flagstaff Rd, Boulder, CO 80302 is a single family home that contains 1,578 sq ft and was built in 1975. It contains 5 bedrooms and 2 bathrooms. This home last sold for $8,300,000 in December 2025.
The Zestimate for this house is $2,546,000. The Rent Zestimate for this home is $5,495/mo.
Sold for $8,300,000
Street View
$8,300,000
1138 Flagstaff Rd, Boulder, CO 80302
5beds
2baths
1,578sqft
SingleFamily
Built in 1975
4.71 Acres Lot
$2,546,000 Zestimate®
$5,260/sqft
$5,495 Estimated rent
Home value
$2,546,000
$1.91M - $3.28M
$5,495/mo
Zestimate® history
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Owner options
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What's special
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 2
Heating
- Forced air
Features
- Basement: Finished
Interior area
- Total interior livable area: 1,578 sqft
Property
Parking
- Parking features: Garage - Detached
Features
- Exterior features: Shingle, Wood, Brick
Lot
- Size: 4.71 Acres
Details
- Parcel number: 146136200038
Construction
Type & style
- Home type: SingleFamily
Materials
- Frame
Condition
- Year built: 1975
Community & neighborhood
Location
- Region: Boulder
Price history
| Date | Event | Price |
|---|---|---|
| 12/22/2025 | Sold | $8,300,000$5,260/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $37,067 +1.5% | $393,787 -6.9% |
| 2024 | $36,502 +2% | $422,869 +3.4% |
| 2023 | $35,803 +7.4% | $408,959 +12.7% |
Find assessor info on the county website
Neighborhood: 80302
Nearby schools
GreatSchools rating
- 6/10Flatirons Elementary SchoolGrades: K-5Distance: 0.5 mi
- 5/10Manhattan Middle School Of The Arts And AcademicsGrades: 6-8Distance: 3.6 mi
- 10/10Boulder High SchoolGrades: 9-12Distance: 1.2 mi
Sell with ease on Zillow
Get a Zillow Showcase℠ listing at no additional cost and you could sell for —faster.
$2,546,000
2% more+$50,920
With Zillow Showcase(estimated)$2,596,920