NOT LISTED FOR SALE

3535 Copper St Boulder, CO 80304

North Boulder Neighborhood

Estimated Value: $1,024,965 - $1,299,000

3 Beds
1 Bath
1,293 Sq Ft
$889/Sq Ft Est. Value

About This Home

This home is located at 3535 Copper St, Boulder, CO 80304 and is currently estimated at $1,149,991, approximately $889 per square foot. 3535 Copper St is a home located in Boulder County with nearby schools including Foothill Elementary School, Centennial Middle School, and Boulder High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Jul 15, 2025
Sold by
Mastran Karen Lynn
Bought by
Mastran Jason David
Current Estimated Value
$1,147,509

Purchase Details

Closed on
Apr 29, 1997
Sold by
Mastran Richard T
Bought by
Mastran Karen Lynn

Purchase Details

Closed on
May 20, 1991
Bought by
Mastran Karen L

Purchase Details

Closed on
Aug 14, 1979
Bought by
Mastran Karen L

Purchase Details

Closed on
Nov 18, 1977
Bought by
Mastran Karen L
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
Mastran Jason David -- None Listed On Document
Mastran Karen Lynn -- --
Mastran Karen L $117,000 --
Mastran Karen L $75,000 --
Mastran Karen L $59,500 --
Source: Public Records

Tax History

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
2025 $5,890 $67,204 $39,188 $28,016
2024 $5,564 $61,769 $36,019 $25,750
2023 $4,889 $63,308 $37,614 $29,380
2022 $4,338 $53,661 $30,087 $23,574
2021 $4,136 $55,205 $30,952 $24,253
2020 $3,524 $47,640 $27,742 $19,898
2019 $3,471 $47,640 $27,742 $19,898
2018 $3,836 $44,244 $26,208 $18,036
2017 $3,716 $48,914 $28,974 $19,940
2016 $3,498 $40,413 $24,676 $15,737
2015 $3,313 $33,328 $13,452 $19,876
2014 $2,802 $33,328 $13,452 $19,876
Source: Public Records

Map

Colorado Boulder County Boulder 80304 North Boulder

3535 Copper St, Boulder, 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.