Nestled on a rare quadruple lot just steps from Chautauqua Park, this 1911 Craftsman-style home offers breathtaking views and thoughtful modern updates. Refined interiors and exquisite attention to detail combined with expansive outdoor spaces, breathtaking views of the Flatirons and Mt Sanitas, and proximity to iconic outdoor recreation and cultural opportunities make this home an exceptional Boulder retreat. This property includes 3 buildings on an oversized 1/4 acre lot, creating a small compound in the city. The historic main house offers light-filled living spaces with 9' ceilings, stained white oak floors, a gourmet kitchen with generous island and a picturesque dining room with giant picture windows and indoor-outdoor connectivity. The pristine primary suite offers its own sanctuary with wired sound system, double closets, ensuite bathroom and dual closets. A finished walkout lower level adds flexibility with guest quarters, storage and a mudroom. The detached guest house allows for additional flexibility with a main level studio space, 3/4 bathroom and upper level bedroom with a private balcony, while the original carriage house - insulated and electrified - offers a serene, creative space. Escape to the lush, landscaped, private backyard offering a flagstone patio, fruit trees, raised garden beds, and an expansive, level sports field ideal for a variety of recreational activities or large-scale entertaining. With ample parking, a single car garage + 2 additional parking spaces with an EV charger, and potential for future development, this is a must-see property and a rare opportunity in one of Boulder's most sought-after enclaves.
Sold for $2,609,700
$2,609,700
721 9th St, Boulder, CO 80302
4beds
2,793sqft
Single Family Residence
Built in 1911
0.29 Acres Lot
$2,601,900 Zestimate®
$934/sqft
$7,620 Estimated rent
Home value
$2,601,900
$2.42M - $2.78M
$7,620/mo
Zestimate® history
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Zillow last checked:
Listing updated:
Listed by:
John McElveen 303-818-7500,
milehimodern - Boulder
Bought with:
Karen Straus, 100089597
8z Real Estate
Source: IRES as distributed by MLS GRID,MLS#: 1033886
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 2
- 3/4 bathrooms: 3
- Main level bathrooms: 1
Primary bedroom
- Description: Wood
- Features: Full Primary Bath
- Level: Upper
- Area: 187 Square Feet
- Dimensions: 17 x 11
Bedroom 2
- Description: Wood
- Level: Upper
- Area: 187 Square Feet
- Dimensions: 17 x 11
Bedroom 3
- Description: Wood
- Level: Upper
- Area: 130 Square Feet
- Dimensions: 10 x 13
Bedroom 4
- Level: Basement
Dining room
- Description: Wood
- Level: Main
- Area: 180 Square Feet
- Dimensions: 10 x 18
Kitchen
- Description: Wood
- Level: Main
- Area: 288 Square Feet
- Dimensions: 16 x 18
Laundry
- Description: Luxury Vinyl
- Area: 180 Square Feet
- Dimensions: 12 x 15
Living room
- Description: Wood
- Level: Main
- Area: 490 Square Feet
- Dimensions: 14 x 35
Study
- Description: Luxury Vinyl
- Level: Main
- Area: 120 Square Feet
- Dimensions: 12 x 10
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Included: Gas Range, Dishwasher, Refrigerator, Washer, Dryer, Disposal
- Laundry: Washer/Dryer Hookup
Features
- Kitchen Island, Beamed Ceilings
- Flooring: Wood
- Doors: 6-Panel Doors
- Windows: Window Coverings, Wood Frames
- Basement: Partial
- Has fireplace: Yes
- Fireplace features: Living Room
Interior area
- Total structure area: 2,170
- Total interior livable area: 2,793 sqft
- Finished area above ground: 2,170
Property
Parking
- Total spaces: 1
- Parking features: Garage Door Opener
- Garage spaces: 1
- Details: Detached
Accessibility
- Accessibility features: Level Lot, Main Floor Bath
Features
- Levels: Two
- Stories: 2
- Patio & porch: Patio, Deck
- Exterior features: Sprinkler System
- Fencing: Wood
- Has view: Yes
- View description: Hills
Lot
- Size: 0.29 Acres
- Features: Wooded, Deciduous Trees, Level, Paved, Curbs, Gutters, Sidewalks, Street Light, Alley, Fire Hydrant within 500 Feet
Details
- Additional structures: Storage, Carriage House
- Parcel number: R0001029
- Zoning: Rh-1
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame, Stone
- Roof: Composition
Condition
- New construction: No
- Year built: 1911
Utilities & green energy
- Electric: Xcel
- Gas: Xcel
- Sewer: Public Sewer
- Water: City
- Utilities for property: Natural Gas Available, Electricity Available, Cable Available, High Speed Avail
Green energy
- Energy efficient items: Southern Exposure, Windows
Community & neighborhood
Security
- Security features: Fire Alarm
Location
- Region: Boulder
- Subdivision: Chautauqua Heights
Other
Other facts
- Listing terms: Cash,Conventional,VA Loan
- Road surface type: Asphalt
Price history
| Date | Event | Price |
|---|---|---|
| 12/12/2025 | Sold | $2,609,700-5.1%$934/sqft |
Source:  IRES as distributed by MLS GRID #1033886 Report a problem | ||
| 11/12/2025 | Pending sale | $2,749,000$984/sqft |
Source:  REcolorado as distributed by MLS GRID #IR1033886 Report a problem | ||
| 10/18/2025 | Price change | $2,749,000-1.5%$984/sqft |
Source: IRES as distributed by MLS GRID #1033886 Report a problem | ||
| 6/13/2025 | Price change | $2,790,000-2.1%$999/sqft |
Source: REcolorado as distributed by MLS GRID #IR1033886 Report a problem | ||
| 5/13/2025 | Listed for sale | $2,850,000+175.6%$1,020/sqft |
Source: IRES as distributed by MLS GRID #1033886 Report a problem | ||
| 8/24/2012 | Sold | $1,034,000-10.1%$370/sqft |
Source: IRES as distributed by MLS GRID #687374 Report a problem | ||
| 7/26/2012 | Listed for sale | $1,150,000+2.8%$412/sqft |
Source: 8z Real Estate Report a problem | ||
| 2/26/2007 | Sold | $1,119,000+58.7%$401/sqft |
Source: Public Record Report a problem | ||
| 4/20/2004 | Sold | $705,000+17.5%$252/sqft |
Source: Public Record Report a problem | ||
| 12/27/2002 | Sold | $600,000+16.5%$215/sqft |
Source: Public Record Report a problem | ||
| 3/14/2000 | Sold | $515,000$184/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $13,355 +1.8% | $146,663 -5.8% |
| 2024 | $13,123 +14.2% | $155,648 -1% |
| 2023 | $11,491 +4.9% | $157,158 +27% |
| 2022 | $10,958 +5.5% | $123,745 -2.8% |
| 2021 | $10,391 | $127,306 +6.6% |
| 2020 | $10,391 +10.1% | $119,370 |
| 2019 | $9,433 | $119,370 +9.7% |
| 2018 | $9,433 | $108,806 -9.5% |
| 2017 | $9,433 +29.5% | $120,291 +43% |
| 2016 | $7,283 +5.6% | $84,137 +3.7% |
| 2015 | $6,897 +1.1% | $81,152 |
| 2014 | $6,823 -1.7% | $81,152 |
| 2013 | $6,942 +0.9% | $81,152 -2.1% |
| 2012 | $6,881 -5.8% | $82,864 |
| 2011 | $7,302 +7.1% | -- |
| 2010 | $6,819 +24.9% | $90,350 |
| 2009 | $5,457 +3.5% | $90,350 +5.9% |
| 2008 | $5,271 +27.5% | $85,300 |
| 2007 | $4,134 +3.9% | $85,300 +31.9% |
| 2006 | $3,981 +23.2% | $64,690 |
| 2005 | $3,232 +0.7% | $64,690 +22.3% |
| 2004 | $3,209 -2.6% | $52,900 |
| 2003 | $3,294 +10.3% | $52,900 +12.1% |
| 2002 | $2,985 | $47,200 -90.8% |
| 2001 | -- | $515,800 |
Find assessor info on the county website
Neighborhood: Grant
Nearby schools
GreatSchools rating
- 6/10Flatirons Elementary SchoolGrades: K-5Distance: 0.5 mi
- 5/10Manhattan Middle School Of The Arts And AcademicsGrades: 6-8Distance: 2.9 mi
- 10/10Boulder High SchoolGrades: 9-12Distance: 0.8 mi
Schools provided by the listing agent
- Elementary: Flatirons
- Middle: Manhattan
- High: Boulder
Source: IRES as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$2,601,900
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Estimated market value
$2,601,900
- Colorado
- Boulder County
- Boulder
- 80302
- Grant
- 721 9th St
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