328 Mapleton Ave
Boulder, CO 80304
Mapleton Hill- 4 Beds
- 3.5 Baths
- 2,700 sqft
4 Beds
3.5 Baths
2,700 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1922
Living Area
2,700 sqft
Price/Sqft
$820
About this House
The facade and 300 feet of the original 600 foot cottage remain but this home has been fully architect remodeled and expanded in 2010. It has 2 master bathrooms (1 with flatirons views). It has contemporary/modern high end finished including European teak kitchen cabinets with blum hardware, grohe faucets in kitchen and bathrooms, nelson and vibia lighting with most operated with electronic dimmers, in-floor heating and split air conditioning, solid hardwood flooring, fir doors with custom levers, 1 gas and 1 wood burning fireplace, low maintenance concrete panel siding and long life corrugated steel roof, a private patio with steel pergola, and more. The home is highly efficient with closed cell foam insulation throughout along with 3kw solar panel array. The home lives beautifully, has been well maintained.
328 Mapleton Ave, Boulder, CO 80304 is a 4 bedroom, 4 bathroom, 2,700 sqft single-family home in Mapleton Hill, built in 1922. It last sold for $499,000 on Sep 18, 2008. It is currently off market. The Trulia Estimate is $2,214,000, with a rent estimate of $5,762/month.
Home Details for 328 Mapleton Ave
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Interior Details BasementNumber of Rooms: 4Types of Rooms: Dining Room, Laundry Room, Master BathCeiling Fan |
Heating & Cooling Heating: Radiant, Gas, SolarAir ConditioningCooling System: WallHeating Fuel: Radiant |
Levels, Entrance, & Accessibility Stories: 3Floors: Tile, Carpet, Hardwood |
Appliances & Utilities Cable ReadyDishwasherDisposalDryerRefrigeratorWasher |
Fireplace & Spa Fireplace |
Windows, Doors, Floors & Walls Double Paned Windows |
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Exterior Home Features Roof: MetalExterior: Wood, Cement ConcreteLawnPatioPorchSprinkler System |
Parking & Garage Parking: Off Street, On Street |
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Year Built Year Built: 1922Year Updated: 2009 |
Property Type / Style Property Type: Single Family HomeArchitecture: Contemporary |
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Units in Building: 1 |
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Lot Area: 4375 sqft |
Price History for 328 Mapleton Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 05/01/2009 | $559,000 | ListingRemoved | Agent Provided |
| 04/25/2009 | $559,000 | Listed For Sale | Agent Provided |
| 09/18/2008 | $499,000 | Sold | N/A |
| 08/24/1994 | $175,000 | Sold | N/A |
Market trends in Boulder
Last updated June 2026
Avg. sale price
$891K
$60.83KMoM
Sale-to-List Price
98.2%
0.4%MoM
Price per sq ft
$503
$2MoM
Available listings
778
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $10,540 |
| Assessment | $1,984,300 |
Home facts updated by county records
Comparable Sales for 328 Mapleton Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.08 | Single-Family Home | $1,525,000 | 08/29/25 | 3 | 2 | 2,234 | |
0.07 | Single-Family Home | $2,180,000 | 09/29/25 | 4 | 4.5 | 4,108 | |
0.47 | Single-Family Home | $960,000 | 04/28/26 | 4 | 3 | 1,968 | |
0.14 | Single-Family Home | $2,651,475 | 05/01/26 | 5 | 4 | 3,549 | |
0.37 | Single-Family Home | $1,675,000 | 06/18/26 | 3 | 3.5 | 2,224 | |
0.17 | Single-Family Home | $2,225,000 | 03/23/26 | 3 | 3 | 2,940 | |
0.32 | Single-Family Home | $1,810,000 | 03/02/26 | 3 | 2.5 | 1,937 | |
0.17 | Single-Family Home | $2,250,000 | 10/14/25 | 3 | 2 | 2,875 | |
0.30 | Single-Family Home | $3,200,000 | 06/02/26 | 3 | 3.5 | 2,796 | |
0.41 | Single-Family Home | $804,000 | 07/07/26 | 3 | 2 | 1,152 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 328 Mapleton Ave.
What Locals Say about Mapleton Hill
At least 9 Trulia users voted on each feature.
100 % Say it's walkable to restaurants
100 % Say there are sidewalks
95 % Say it's dog friendly
90 % Say it's walkable to grocery stores
84 % Say yards are well-kept
82 % Say people would walk alone at night
78 % Say kids play outside
75 % Say there's wildlife
67 % Say there's holiday spirit
67 % Say parking is easy
67 % Say there are community events
64 % Say it's quiet
63 % Say they plan to stay for at least 5 years
57 % Say neighbors are friendly
56 % Say streets are well-lit
29 % Say car is needed
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
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Apartments for Rent
Homes for sale near 328 Mapleton Ave
Off Market Homes Near 328 Mapleton Ave
Frequently asked questions about 328 Mapleton Ave
- What is 328 Mapleton Ave estimated to be worth?Trulia's estimated value for 328 Mapleton Ave in Boulder, CO is $2,214,000.
- What is the price history for 328 Mapleton Ave?328 Mapleton Ave in Boulder, CO last sold for $499,000 in September 2008.
- 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 $891K. That is down $60.83K from the prior month.
- Does 328 Mapleton Ave have air conditioning?Yes, 328 Mapleton Ave in Boulder, CO has air conditioning.
- Does 328 Mapleton Ave have laundry facilities?Yes, 328 Mapleton Ave in Boulder, CO has in-unit laundry.

