$3,058,300
- 5 Beds
- 2 Baths
- 1,578 sqft (on 4.71 acres)
1138 Flagstaff Rd, Boulder, CO 80302
Currently Off Market - Sold Dec 22, 2025 for $8,300,000
Home Value
Trulia Estimate
$3.06MSince last month
Increased$141K (+4.8%)Since last year
Increased$742K (+32.1%)Since last sale
Decreased$5M (-63.2%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +63% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $3.05M |
| August 2026 | $2.91M |
| July 2026 | $2.79M |
| June 2026 | $2.68M |
| May 2026 | $2.66M |
| April 2026 | $2.7M |
| March 2026 | $2.61M |
| February 2026 | $2.4M |
| January 2026 | $2.42M |
2025 | |
2024 | |
2023 | |
2020 | |
2019 | |
2018 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.22 | Single-Family Home | $2,242,641 | 06/18/26 | 4 | 2 | 3,260 | |
0.36 | Single-Family Home | $1,411,000 | 02/20/26 | 4 | 2 | 1,897 | |
0.43 | Single-Family Home | $7,000,000 | 10/06/25 | 4 | 5 | 6,395 | |
0.54 | Single-Family Home | $1,820,000 | 08/17/26 | 3 | 2 | 1,380 | |
0.38 | Single-Family Home | $3,220,000 | 08/27/26 | 4 | 3.5 | 3,487 | |
0.47 | Single-Family Home | $1,802,500 | 05/04/26 | 5 | 3 | 3,008 | |
0.45 | Single-Family Home | $1,275,000 | 09/15/26 | 5 | 3 | 2,479 | |
0.52 | Single-Family Home | $3,678,700 | 07/15/26 | 4 | 3 | 3,360 | |
0.44 | Single-Family Home | $2,700,000 | 01/16/26 | 3 | 3 | 2,616 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.22 | $2,242,641 | 4 | 2 | 3,260 | Recently Sold | |
0.33 | $1,750,900 | 2 | 3 | 2,278 | Off Market | |
0.33 | $1,582,500 | 2 | 2.5 | 1,762 | Off Market | |
0.33 | $3,436,100 | 4 | 5 | 3,340 | Off Market | |
0.34 | $169,900 | 2 | 1.5 | 851 | Off Market | |
0.34 | $175,000 | 2 | 1.5 | 851 | For Sale | |
0.31 | $5,827,800 | 3 | 2 | 3,328 | Off Market | |
0.35 | $165,000 | 2 | 1 | 851 | For Sale | |
0.31 | $4,184,900 | 6 | 6 | 10,379 | Off Market | |
0.33 | $1,326,200 | 2 | 1 | 1,168 | Off Market | |
0.35 | $1,708,000 | 3 | 3 | 2,044 | Off Market | |
0.33 | $2,337,700 | 3 | 2.5 | 2,446 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1975
4.71 acre lot
1,578 sqft
$5,260/sqft
Garage
About this House
This single-family home is located at 1138 Flagstaff Rd, Boulder, CO. 1138 Flagstaff Rd is in Boulder, CO and in ZIP code 80302. This property has 5 bedrooms, 2 bathrooms and approximately 1,578 sqft of floor space. The last sold price per dimension was $5,260/sqft. This property has a lot size of 4.71 acres and was built in 1975.
1138 Flagstaff Rd, Boulder, CO 80302 is a 5 bedroom, 2 bathroom, 1,578 sqft single-family home built in 1975. It last sold for $8,300,000 on Dec 22, 2025. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $3,058,300.
Home Details for 1138 Flagstaff Rd
|
|---|
Interior Details BasementNumber of Rooms: 10 |
Heating & Cooling Heating: Forced AirHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1 |
|
|---|
Year Built Year Built: 1975Year Updated: 1975 |
Property Type / Style Property Type: Single Family HomeArchitecture: Ranch / Rambler |
|
|---|
Exterior Home Features DeckExterior: Shingle, Wood, Brick |
Parking & Garage GarageParking: Garage Detached |
|
|---|
Price Price Per Sqft: $5,260/sqft |
|
|---|
Units in Building: 1 |
|
|---|
Lot Area: 4.71 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Dec 22, 2025 Source: N/A | Sold | $8,300,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $37,067 | $1,971,300 |
Home facts updated by county records
Market trends in Boulder
Last updated August 2026
Avg. sale price
$904K
$6.67KMoM
Sale-to-List Price
98.2%
0.2%MoM
Price per sq ft
$489
$10MoM
Available listings
765
3MoM
Around this home
What Locals Say about Boulder
At least 538 Trulia users voted on each feature.
94 % Say it's dog friendly
90 % Say there are sidewalks
81 % Say people would walk alone at night
81 % Say parking is easy
75 % Say there's wildlife
72 % Say it's walkable to restaurants
71 % Say it's walkable to grocery stores
67 % Say there's holiday spirit
65 % Say yards are well-kept
64 % Say it's quiet
61 % Say kids play outside
59 % Say neighbors are friendly
58 % Say car is needed
53 % Say streets are well-lit
51 % Say they plan to stay for at least 5 years
39 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 1138 Flagstaff Rd
- What is 1138 Flagstaff Rd estimated to be worth?Trulia's estimated value for 1138 Flagstaff Rd in Boulder, CO is $3,058,300.
- What is the price history for 1138 Flagstaff Rd?1138 Flagstaff Rd in Boulder, CO last sold for $8,300,000 in December 2025.
- Is Boulder a buyer's or seller's market?Boulder is currently a balanced market, based on recent for-sale activity.
- What's the median sale price in Boulder?The median sale price in Boulder is $904K. That is up $6.67K from the prior month.
- How big is the lot at 1138 Flagstaff Rd?The lot at 1138 Flagstaff Rd in Boulder, CO is about 4.7 acres.
- Does 1138 Flagstaff Rd have a garage?Yes, 1138 Flagstaff Rd in Boulder, CO has a garage.