623 Maxwell Ave
Boulder, CO 80304
Mapleton Hill- 4 Beds
- 2 Baths
- 2,304 sqft
4 Beds
2 Baths
2,304 sqft
Local Information
-- mins to
Home Highlights
Property Type
Multi-Family
Year Built
1905
Living Area
2,304 sqft
Parking
Garage
About this House
Charming Mapleton Hill duplex. Side by side units perfect to live in one and rent the other. Many possible options here including conversion to an SFR on this 7,500 sq. ft. lot. Hardwood floors through the main level, open galley style kitchen. Washer dryer hookups in common utility room/back porch. Fenced, sprinkler front and backyards with planting beds. Two car carport, plus old garage perfect for bike and gear storage.
623 Maxwell Ave, Boulder, CO 80304 is a 4 bedroom, 2 bathroom, 2,304 sqft multi-family in Mapleton Hill, built in 1905. It last sold for $1,394,820 on May 20, 2019. It is currently off market. The Trulia Estimate rent is $4,898/month.
Home Details for 623 Maxwell Ave
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Heating & Cooling Heating: Forced AirHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 2 |
Interior Details Number of Rooms: 8 |
Appliances & Utilities Refrigerator |
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Exterior Home Features Roof: AsphaltExterior: Wood |
Parking & Garage GarageParking: Carport, Garage Detached |
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Year Built Year Built: 1905Year Updated: 1968 |
Property Type / Style Property Type: Multi FamilyArchitecture: split level |
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Units in Building: 2 |
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Lot Area: 7405 sqft |
Price History for 623 Maxwell Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 05/20/2019 | $1,394,820 | Sold | IRES as distributed by MLS GRID #880641 |
| 05/17/2019 | $1,450,000 | Pending | Agent Provided |
| 05/09/2019 | $1,450,000 | Listed For Sale | Agent Provided |
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 | 2021 |
|---|---|
| Tax | $7,375 |
| Assessment | $1,462,700 |
Home facts updated by county records
Comparable Sales for 623 Maxwell Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.52 | Multi-Family Home | $1,125,000 | 02/27/26 | 3 | 2 | 1,552 | |
0.15 | Multi-Family Home | $804,000 | 07/06/26 | 2 | 2 | 1,152 | |
0.30 | Multi-Family Home | $1,508,000 | 11/24/25 | 6 | 4 | 2,385 | |
0.84 | Multi-Family Home | $1,543,000 | 10/31/25 | 8 | 3 | 3,302 | |
0.74 | Multi-Family Home | $1,995,000 | 01/09/26 | 6 | 4 | 3,201 | |
0.84 | Multi-Family Home | $1,828,000 | 06/16/26 | 6 | 5 | 4,007 | |
0.94 | Multi-Family Home | $1,875,000 | 05/29/26 | 9 | 5 | 3,800 | |
1.37 | Multi-Family Home | $1,325,000 | 01/02/26 | 6 | 4 | 1,890 | |
0.91 | Multi-Family Home | $3,000,000 | 01/06/26 | 8 | 9 | 5,093 | |
1.73 | Multi-Family Home | $1,350,000 | 05/27/26 | 5 | 3 | 2,188 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 623 Maxwell 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 623 Maxwell Ave
Off Market Homes Near 623 Maxwell Ave
Frequently asked questions about 623 Maxwell Ave
- What is the price history for 623 Maxwell Ave?623 Maxwell Ave in Boulder, CO last sold for $1,394,820 in May 2019.
- 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.
- What do residents say about the Mapleton Hill neighborhood?Residents describe the Mapleton Hill neighborhood in Boulder, CO as walkable to restaurants, pedestrian-friendly, and dog-friendly. See recently sold homes in Mapleton Hill, Boulder.

