421 Sumner St, Longmont, CO 80501
Property image
Property image
OFF MARKET

421 Sumner St
Longmont, CO 80501

Sunset
  • 3 Beds
  • 2 Baths
  • 1,452 sqft

$609,800

Trulia Estimate
as of Jul 7, 2026
Est. Refi. Payment $3,408/mo*

$609,800

Trulia Estimate
as of Jul 7, 2026
Est. Refi. Payment $3,408/mo*
3 Beds
2 Baths
1,452 sqft

Local Information

  • Map ViewExplore the area around 421 Sumner St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Description

Back on market as of 4/23. Available May 15th. Spacious ranch style home in Old Town. Mature trees, alley access, wood deck and screened in front porch! The interior has lots of charm with wood flooring, beautiful wood double pane windows and an open floor plan. Neutral colors throughout. Great location near local shops, golf course and restaurants. Note, the 3rd bedroom is the front room with french doors and has been used for both an office and a bedroom, but there is no closet. Use Zillow application option for expedited response.
421 Sumner St, Longmont, CO 80501 is a 3 bedroom, 2 bathroom, 1,452 sqft single-family home in Sunset. It last sold for $282,000 on Apr 17, 2009 (9,971% above the $2,800 asking price). More recently, it was listed as a rental in April 2025 with an asking price of $2,800 per month. That rental listing was removed on May 6, 2025. It is currently off market. The Trulia Estimate is $609,800, with a rent estimate of $2,616/month.

Home Highlights

Parking
No Info
Outdoor
Porch
A/C
Cooling only
HOA
None
Price/Sqft
No Info
Listed
180+ days ago

Home Details for 421 Sumner St

Property Information

Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Lease Term: 1 YearAvailable: now

Interior Features

Appliances & Utilities
DishwasherDisposalDryerRefrigeratorWasher
Heating & Cooling
Air ConditioningCooling System: Air Conditioner, Central Air
Levels, Entrance, & Accessibility
Floors: Hardwood

Exterior Features

Exterior Home Features
LawnSprinkler System
Parking & Garage
Parking: Off Street Parking, On Site

Price History for 421 Sumner St

DatePriceEventSource
05/06/2025$2,800ListingRemovedZillow Rentals
04/23/2025$2,800Listed For RentZillow Rentals
04/11/2025$2,800ListingRemovedZillow Rentals
04/08/2025$2,800Listed For RentZillow Rentals
04/04/2024ListingRemovedZillow Rentals
03/05/2024$2,800Listed For RentZillow Rentals
05/16/2023ListingRemovedZillow Rentals
04/29/2023$2,800Listed For RentZillow Rentals
03/24/2021ListingRemovedN/A
11/16/2018$2,000ListingRemovedN/A
10/23/2018$2,000Listed For RentN/A
05/09/2011$299,000ListingRemovedAgent Provided
10/23/2010$299,000Listed For SaleAgent Provided
04/17/2009$282,000Sold
N/A

Market trends in Longmont

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$568K
$14.67K
MoM
Sale-to-List Price
99.5%
0.4%
MoM
Price per sq ft
$258
$7
MoM
Available listings
437
11
MoM
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Property Tax and Assessment

Year2025
Tax$3,753
Assessment$652,500
Home facts updated by county records

Comparable Sales for 421 Sumner St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.17
Single-Family Home
$515,000
06/11/26
3
2
1,995
0.12
Single-Family Home
$710,000
08/05/25
3
2
1,832
0.32
Single-Family Home
$420,000
11/07/25
3
2
1,200
0.19
Single-Family Home
$325,000
11/13/25
3
1
1,152
0.30
Single-Family Home
$368,000
09/11/25
3
2
923
0.17
Single-Family Home
$465,000
07/14/25
3
1
1,519
0.24
Single-Family Home
$545,000
11/07/25
4
2
1,600
0.18
Single-Family Home
$495,000
09/30/25
3
2
990
0.21
Single-Family Home
$650,000
04/24/26
4
2
1,542
0.21
Single-Family Home
$767,574
07/24/25
3
1.5
1,825

Nearby homes

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Assigned Schools

These are the assigned schools for 421 Sumner St.
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Neighborhood stats provided by third party data sources.

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

  • 78 % Say car is needed

  • 72 % Say people would walk alone at night

  • 69 % Say streets are well-lit

  • 67 % Say it's walkable to restaurants

  • 66 % Say it's quiet

  • 65 % Say neighbors are friendly

  • 55 % Say kids play outside

  • 42 % Say there are community events

  • 39 % Say there's wildlife

  • 35 % 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.
  • Kevin and family
    "Great place to live! No cookie cutters here:). Close to everything you could possibly think off! Did friendly, kid friendly, people take care of yards and homes. Best neighborhood in Longmont"
  • janett c.
    "I lived in this neighborhood for 6 years and really miss it.I love hearing the music from Roosevelt park in the summer and the closeness of downtown"
  • Thompsonsk
    "Literally steps from all the events at Roosevelt Park and Downtown. City bus and regional bus are a block away. Enjoy the annual block parties!"
  • Susie0524
    "Longmont has a big arts & music community with several free community events throughout the year. It tries to be a very inclusive city and celebrates diversity. "
  • Boulder S.
    "Longmont is a community settled by farmers who came for the ample sunshine and the soil. There is an apartment building called the Cannery. They canned beets there. Longmont is blessed with an art community, too. City leaders strive to keep the downtown vibrant. Longmont is a community poised on a great future. "
  • Dena S.
    "This is a quiet street with beautiful mature trees in a well maintained old town neighborhood. Nearby parks, golfing, swimming and sandwich shops are all within walking distance. This is a wonderful neighborhood. "

LGBTQ Local Legal Protections

Apartments for Rent

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Homes for sale near 421 Sumner St

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Off Market Homes Near 421 Sumner St

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