Property Report for 4145 Riverside Ave, Boulder, CO 80304

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4145 Riverside Ave, Boulder, CO 80304
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Property Details
  • Property Address 4145 Riverside Ave, Boulder, CO 80304
  • County Boulder
  • Parcel ID 1463-18-3-35-002
  • Legal description LOT 29B WILDWOOD REPLAT B
  • School district Boulder Valley School District Re-2
  • Acreage 0.05
  • Property class Single Family Residence
  • Zoning Subscribe
  • Square footage 832
  • Year built 1983
  • Bedrooms 3
  • Bathrooms 2

About the Property

4145 Riverside Ave is a single family residence in the city of Boulder, CO 80304. Located in the Boulder Valley School District Re-2, which resides in Boulder County, CO and built in 1983. This Single Family Residence sits on a 2,091 sq ft lot and features 3 bedrooms, 2 bathrooms and 832 sq ft of living space.

The most recent property tax for 4145 Riverside Ave was $4,456 with an estimated market value range of $700,800 to $774,569. This property was last sold on May 31, 2022 for $807,000.

Property Info

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Flood

Ownership

Land
  • Acres 0.05
  • Square Feet 2,091
Building
  • Units N/A
  • Year Built 1983
  • Effective Year Built 1993
  • Stories 2
  • # Fireplaces N/A
  • Garage/Carport 180 sq.ft.
Utilities
  • Cooling Central
  • Heating Forced Air
Interior
  • Square Footage
  • Living Area 832
  • Total Rooms 5
  • Bedrooms 3
  • Total Bathrooms 2
  • Full Bathrooms 1
Your Property Report will also include the following information:

Boulder Residential Market Stats

Median Sale Price $1,096,011 -14.6% YoY
Median Price/sq ft. $554
Boulder County Median Sale Price $1,096,011 -14.6% YoY

See more Real Estate Trends for Boulder including home values, types of properties sold and transaction volumes.

Taxes and Assessments for 4145 Riverside Ave, Boulder

Tax Year Taxes Tax Assesed Value Exemptions
2024 $4,456 (+1.8%) $50,706 (-6.8%)

2023 $4,379 (+12.2%) $54,391 (+29.4%)

2022 $3,903 (+4.9%) $42,027 (+15.6%)

2021

2020

2019

2018

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Sales History for 4145 Riverside Ave, Boulder

The most recent sale on 4145 Riverside Ave took place on May 25, 2022 and recorded on May 31, 2022 for $807,000. Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
Sale Date Recorded Date Buyer(s) Seller(s) Price Document ID

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Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
Address Distance SqFt Sale Date Price $/SqFt
1615 KALMIA AVE .73 mi 992 08/18/2025 $1,295,000 $1,305
3824 NORTHBROOK DR 1.25 mi 976 08/04/2025 $600,000 $615
3921 57TH ST 3.2 mi 891 07/28/2025 $1,400,000 $1,571
Active Mortgages and Equity Analysis
Date Recorded Position Original Amount Amortized Balance Loan Type Interest Rate Lender Lender Type

  • Total Estimated Debt:

  • Estimated Value from ATTOM AVM:

  • Available Equity:

  • Loan To Value Ratio:

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Total Estimated Debt

  • Total Estimated Debt
  • Available Equity
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Automated Valuation Models (AVM)
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
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Market Value Estimate
Aug 19, 2025 Confidence Score: 95%
Low
Value
High
Rental Value Estimate ATTOM
Aug 25, 2025
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Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.