NOT LISTED FOR SALE

429 Sumner St Longmont, CO 80501

Sunset Neighborhood

Estimated Value: $531,953 - $636,000

3 Beds
2 Baths
1,248 Sq Ft
$458/Sq Ft Est. Value

About This Home

This home is located at 429 Sumner St, Longmont, CO 80501 and is currently estimated at $571,488, approximately $457 per square foot. 429 Sumner St is a home located in Boulder County with nearby schools including Central Elementary School, Westview Middle School, and Longmont High School.

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Closed on
May 20, 2026
Sold by
Bought by
Current Estimated Value
$571,488
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
-- None Listed On Document
-- --
$64,000 --
$54,500 --
Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2026 $2,844 $36,271 $10,458 $25,813
2025 $2,844 $36,271 $10,458 $25,813
2024 $2,478 $33,338 $9,613 $23,725
2023 $2,444 $32,602 $10,754 $25,534
2022 $1,960 $26,757 $7,916 $18,841
2021 $2,682 $27,528 $8,144 $19,384
2020 $2,637 $27,149 $7,293 $19,856
2019 $2,596 $27,149 $7,293 $19,856
2018 $1,881 $19,800 $8,424 $11,376
2017 $1,855 $26,053 $9,313 $16,740
2016 $1,764 $18,451 $9,313 $9,138
2015 $1,681 $16,827 $5,890 $10,937
2014 $1,572 $16,827 $5,890 $10,937
Source: Public Records

Map

Colorado Boulder County Longmont 80501 Sunset

429 Sumner St, Longmont, CO

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Nearby Homes
Your Personal Tour Guide

Ask me questions while you tour the home.