428 Sumner St
Longmont, CO 80501
Sunset- 4 Beds
- 2 Baths
- 2,170 sqft
4 Beds
2 Baths
2,170 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1910
Living Area
2,170 sqft
Price/Sqft
$383
Parking
Garage
About this House
This single-family home is located at 428 Sumner St, Longmont, CO. 428 Sumner St is in the Sunset neighborhood in Longmont, CO and in ZIP code 80501. This property has 4 bedrooms, 2 bathrooms and approximately 2,170 sqft of floor space. This property has a lot size of 6100 sqft and was built in 1910.
Home Details for 428 Sumner St
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Interior Details BasementNumber of Rooms: 6 |
Heating & Cooling Heating: OtherHeating Fuel: Other |
Levels, Entrance, & Accessibility Stories: 2 |
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Exterior Home Features Roof: OtherExterior: Shingle, Wood |
Parking & Garage GarageParking: Garage Detached |
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Year Built Year Built: 1910Year Updated: 1950 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
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Units in Building: 1 |
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Lot Area: 6100 sqft |
Price History for 428 Sumner St
| Date | Price | Event | Source |
|---|---|---|---|
| 07/23/2021 | $762,000 | Sold | IRES as distributed by MLS GRID #942474 |
| 06/09/2021 | $745,000 | Listed For Sale | IRES as distributed by MLS GRID #942474 |
| 01/07/2015 | $449,900 | ListingRemoved | Agent Provided |
| 11/21/2014 | $449,900 | PriceChange | Agent Provided |
| 10/22/2014 | $465,000 | Listed For Sale | Agent Provided |
| 09/16/1999 | $253,000 | Sold | N/A |
| 10/01/1996 | $150,000 | Sold | N/A |
| 02/03/1994 | $109,900 | Sold | N/A |
Market trends in Longmont
Last updated June 2026
Avg. sale price
$567K
$9.17KMoM
Sale-to-List Price
99.9%
0.3%MoM
Price per sq ft
$263
$4MoM
Available listings
457
20MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $4,540 |
| Assessment | $669,400 |
Home facts updated by county records
Comparable Sales for 428 Sumner St
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.11 | Single-Family Home | $710,000 | 08/05/25 | 3 | 2 | 1,832 | |
0.26 | Single-Family Home | $730,000 | 03/09/26 | 4 | 2 | 2,176 | |
0.18 | Single-Family Home | $735,000 | 05/04/26 | 4 | 3 | 2,288 | |
0.17 | Single-Family Home | $515,000 | 06/11/26 | 3 | 2 | 1,995 | |
0.22 | Single-Family Home | $545,000 | 11/07/25 | 4 | 2 | 1,600 | |
0.25 | Single-Family Home | $672,198 | 08/14/25 | 4 | 3 | 2,028 | |
0.30 | Single-Family Home | $840,000 | 06/24/26 | 4 | 3 | 2,236 | |
0.23 | Single-Family Home | $650,000 | 04/24/26 | 4 | 2 | 1,542 | |
0.30 | Single-Family Home | $715,500 | 03/06/26 | 3 | 2 | 2,296 | |
0.41 | Single-Family Home | $630,000 | 04/21/26 | 4 | 2 | 2,091 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 428 Sumner St.
What Locals Say about Sunset
At least 24 Trulia users voted on each feature.
94 % Say yards are well-kept
94 % Say there are sidewalks
93 % Say parking is easy
90 % Say it's dog friendly
88 % Say there's holiday spirit
79 % Say car is needed
72 % Say people would walk alone at night
70 % Say streets are well-lit
67 % Say it's walkable to restaurants
66 % Say neighbors are friendly
63 % Say it's quiet
55 % Say kids play outside
42 % Say there are community events
39 % Say there's wildlife
34 % Say it's walkable to grocery stores
25 % Say they plan to stay for at least 5 years
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections

