621 E 4th Ave
Longmont, CO 80504
Kensington- 4 Beds
- 2 Baths
- 1,375 sqft
4 Beds
2 Baths
1,375 sqft
Home Value
Trulia Estimate
$432KSince last month
Increased$600 (+0.1%)Since last year
Decreased$6K (-1.3%)Since last sale
Increased$171K (+65.6%)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 +70% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $431K |
| July 2026 | $430K |
| June 2026 | $439K |
| May 2026 | $438K |
| April 2026 | $437K |
| March 2026 | $434K |
| February 2026 | $427K |
| January 2026 | $419K |
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 |
|---|---|---|---|---|---|---|---|
0.06 | Single-Family Home | $456,600 | 06/26/26 | 4 | 2 | 2,150 | |
0.10 | Single-Family Home | $378,250 | 12/22/25 | 6 | 2 | 2,650 | |
0.18 | Single-Family Home | $459,000 | 07/02/26 | 3 | 2 | 1,218 | |
0.12 | Single-Family Home | $395,000 | 06/11/26 | 3 | 1 | 1,375 | |
0.13 | Single-Family Home | $391,538 | 07/22/26 | 3 | 1 | 1,375 | |
0.15 | Single-Family Home | $422,700 | 03/20/26 | 3 | 1 | 1,092 | |
0.36 | Single-Family Home | $440,000 | 01/16/26 | 4 | 2 | 2,196 | |
0.17 | Single-Family Home | $370,000 | 11/25/25 | 3 | 1 | 1,000 | |
0.17 | Single-Family Home | $427,000 | 04/22/26 | 3 | 1 | 1,075 | |
0.29 | Single-Family Home | $510,000 | 09/22/25 | 3 | 2 | 2,128 |
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 |
|---|---|---|---|---|---|---|
0.07 | $427,400 | 3 | 1 | 1,375 | Off Market | |
0.06 | $456,600 | 4 | 2 | 2,150 | Recently Sold | |
0.07 | $402,200 | 3 | 1 | 1,075 | Off Market | |
0.09 | $474,900 | 4 | 2 | 1,224 | Off Market | |
0.12 | $395,000 | 3 | 1 | 1,375 | Recently Sold | |
0.11 | $427,700 | 3 | 1 | 1,075 | Off Market | |
0.11 | $526,100 | 5 | 2 | 2,050 | Off Market | |
0.15 | $536,000 | 6 | 3 | 2,922 | Off Market | |
0.13 | $391,538 | 3 | 1 | 1,375 | Recently Sold | |
0.13 | $428,800 | 4 | 1 | 1,180 | Off Market | |
0.15 | $471,300 | 3 | 2 | 1,555 | Off Market | |
0.15 | $422,700 | 3 | 1 | 1,092 | Recently Sold |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1972
Living Area
1,375 sqft
Price/Sqft
$314
Parking
Garage
About this House
This single-family home is located at 621 E 4th Ave, Longmont, CO. 621 E 4th Ave is in the Kensington neighborhood in Longmont, CO and in ZIP code 80504. This property has 4 bedrooms, 2 bathrooms and approximately 1,375 sqft of floor space. This property has a lot size of 7612 sqft and was built in 1972.
621 E 4th Ave, Longmont, CO 80504 is a 4 bedroom, 2 bathroom, 1,375 sqft single-family home in Kensington, built in 1972. It last sold for $260,000 on Aug 21, 2017. It is currently off market. The Trulia Estimate is $431,700, with a rent estimate of $2,755/month.
Home Details for 621 E 4th Ave
|
|---|
Heating & Cooling Heating: Forced AirHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1 |
Interior Details Number of Rooms: 7 |
|
|---|
Exterior Home Features Roof: AsphaltExterior: Stone |
Parking & Garage GarageParking: Garage Attached |
|
|---|
Year Built Year Built: 1972Year Updated: 1983 |
Property Type / Style Property Type: Single Family HomeArchitecture: Ranch / Rambler |
|
|---|
Units in Building: 1 |
|
|---|
Lot Area: 7609 sqft |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Aug 21, 2017 Source: IRES as distributed by MLS GRID #825264 | Sold | $260,000 |
Jul 2, 2017 Source: Agent Provided | Listed For Sale | $269,900 |
May 3, 2005 Source: N/A | Sold | $160,000 |
Sep 6, 2000 Source: N/A | Sold | $155,000 |
May 31, 2000 Source: N/A | Sold | $133,500 |
Aug 1, 1995 Source: N/A | Sold | $87,500 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $2,279 | $407,500 |
Home facts updated by county records
Market trends in Longmont
Last updated July 2026
Avg. sale price
$573K
$10.82KMoM
Sale-to-List Price
100.0%
0.1%MoM
Price per sq ft
$262
$1MoM
Available listings
439
18MoM
Around this home
What Locals Say about Kensington
At least 31 Trulia users voted on each feature.
87 % Say there are sidewalks
87 % Say it's dog friendly
78 % Say parking is easy
77 % Say yards are well-kept
76 % Say there's holiday spirit
71 % Say car is needed
66 % Say kids play outside
64 % Say streets are well-lit
60 % Say people would walk alone at night
59 % Say it's quiet
58 % Say it's walkable to restaurants
49 % Say neighbors are friendly
47 % Say they plan to stay for at least 5 years
46 % Say there are community events
42 % Say it's walkable to grocery stores
35 % Say there's wildlife
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 621 E 4th Ave
- What is 621 E 4th Ave estimated to be worth?Trulia's estimated value for 621 E 4th Ave in Longmont, CO is $431,700.
- What is the price history for 621 E 4th Ave?621 E 4th Ave in Longmont, CO last sold for $260,000 in August 2017.
- 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.
- How big is the lot at 621 E 4th Ave?The lot at 621 E 4th Ave in Longmont, CO is about 0.17 acres (7,612 sq ft).
- Does 621 E 4th Ave have a garage?Yes, 621 E 4th Ave in Longmont, CO has a garage.

