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

320 Sumner St
Longmont, CO 80501

Sunset
  • 4 Beds
  • 2 Baths
  • 3,040 sqft

$746,500

Trulia Estimate
as of Aug 21, 2026
Est. Refi. Payment $4,168/mo*

$746,500

Trulia Estimate
as of Aug 21, 2026
Est. Refi. Payment $4,168/mo*
4 Beds
2 Baths
3,040 sqft

Home Value

Trulia Estimate
$747K
Since last month
Decreased$4K (-0.5%)
Since last year
Increased$13K (+1.7%)
Since last sale
Increased$288K (+61.8%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +59% in the last 10 years
MonthEstimated value
2026
August 2026$753K
July 2026$756K
June 2026$767K
May 2026$757K
April 2026$747K
March 2026$739K
February 2026$716K
January 2026$701K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.07
Single-Family Home
$515,000
06/11/26
3
2
1,995
0.10
Single-Family Home
$650,000
04/24/26
4
2
1,542
0.26
Single-Family Home
$730,000
03/09/26
4
2
2,176
0.28
Single-Family Home
$630,000
04/21/26
4
2
2,091
0.34
Single-Family Home
$927,000
08/12/26
4
2
3,046
0.35
Single-Family Home
$545,000
11/07/25
4
2
1,600
0.13
Single-Family Home
$578,000
03/06/26
4
1
1,560
0.27
Single-Family Home
$482,000
07/20/26
3
2
1,470
0.23
Single-Family Home
$535,000
05/07/26
3
2
1,118
0.30
Single-Family Home
$735,000
05/01/26
4
3
2,288

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
0.03
$574,800
3
1.5
1,096
Off Market
0.06
$650,200
4
1
1,604
Off Market
0.07
$699,100
3
2
1,832
Off Market
0.06
$660,100
3
2
1,832
Off Market
0.07
$515,000
3
2
1,995
Recently Sold
0.10
$650,000
4
2
1,542
Recently Sold
0.15
$665,700
3
1
1,428
Off Market
0.12
$662,400
4
3
2,028
Off Market
0.13
$578,000
4
1
1,560
Recently Sold
0.13
$754,900
3
1.5
1,825
Off Market
0.17
$537,400
3
2
1,664
Off Market
0.14
$519,000
2
1
937
Off Market

Local Information

  • Map ViewExplore the area around 320 Sumner St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1910
Living Area
3,040 sqft
Price/Sqft
$246
Parking
Garage

About this House

Large historic home! Great Location! This home is a 4 bedroom 2 bath home fully upgraded. Large covered front porch (swing included). Front entry & mud room. Closed in sun porch and back porch. Real hardwood floors, eat in kitchen and dining room. Stainless appliances. 2 bedrooms on main level with large walk in closet. 2 bedrooms up with an open living area. This home features lots of large sunny windows, original wood work, high ceilings and lots of elegant charm. Pets to be considered with additional deposit. Nextlight installed. Central air. Detached garage.
4 bedroom 3 bath home
320 Sumner St, Longmont, CO 80501 is a 4 bedroom, 2 bathroom, 3,040 sqft single-family home in Sunset, built in 1910. It last sold for $465,000 on Jun 16, 2016. More recently, it was listed as a rental in July 2018 with an asking price of $2,900 per month. That rental listing was removed on August 18, 2018. It is currently off market. The Trulia Estimate is $746,500, with a rent estimate of $2,457/month.

Home Details for 320 Sumner St

Interior Features

Interior Details
BasementNumber of Rooms: 6
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2Floors: HardwoodGated Entry
Appliances & Utilities
DishwasherRefrigerator

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Shingle, Wood
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1910Year Updated: 1998
Property Type / Style
Property Type: Single Family HomeArchitecture: ranch

Community

Units in Building: 1

Lot Information

Lot Area: 6076 sqft

Price and Tax history

DateEventPrice
Aug 18, 2018
Source: Agent Provided
ListingRemoved
$2,500
Aug 13, 2018
Source: Agent Provided
PriceChange
$2,500
Price decreased by 14%
Jul 28, 2018
Source: Agent Provided
Listed For Rent
$2,900
Jun 16, 2016
Source: IRES as distributed by MLS GRID #790922
Sold
$465,000
May 11, 2016
Source: Agent Provided
Listed For Sale
$465,000

Market trends in Longmont

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$573K
$10.82K
MoM
Sale-to-List Price
100.0%
0.1%
MoM
Price per sq ft
$262
$1
MoM
Available listings
439
18
MoM

Around this home

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

  • 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.
  • 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

Frequently asked questions about 320 Sumner St

  • What is 320 Sumner St estimated to be worth?
    Trulia's estimated value for 320 Sumner St in Longmont, CO is $746,500.
  • What is the price history for 320 Sumner St?
    320 Sumner St in Longmont, CO last sold for $465,000 in June 2016.
  • Is Longmont a buyer's or seller's market?
    Longmont is currently a balanced market, based on recent for-sale activity.
  • What's the median sale price in Longmont?
    The median sale price in Longmont is $573K. That is up $10.82K from the prior month.
  • Does 320 Sumner St have air conditioning?
    Yes, 320 Sumner St in Longmont, CO has air conditioning.
  • How big is the lot at 320 Sumner St?
    The lot at 320 Sumner St in Longmont, CO is about 0.14 acres (6,076 sq ft).

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