Check Availability
$3,350,000
● House - For Sale

864 Iris Ave

Boulder, CO 80304
bedrooms
4 Beds
bathrooms
2 Baths
square feet
3,208 Ft²
$17,350
Est. Monthly

About This Property

Unit Size
3,208 Ft²
Days on Market
-
Land Size
0.26 acres
Price per sqft
$1,044
Property Type
House
Property Taxes
$901
HOA Dues
-
Year Built
1954

Listed By

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Last updated: 9 months ago (IRES MLS #1048128)

Price History

Date / Event Date Event Price
Dec 5, 2025 Listed by RE/MAX of Boulder, Inc $3,350,000
Listed by RE/MAX of Boulder, Inc
Nov 1, 2025 Price Decreased $3,375,000
↓ $20K (0.6%)
Price Decreased
Oct 5, 2025 Price Decreased $3,395,000
↓ $55K (1.6%)
Price Decreased
Sep 14, 2025 Price Decreased $3,450,000
↓ $50K (1.4%)
Price Decreased
Jun 22, 2025 Price Decreased $3,500,000
↓ $75K (2.1%)
Price Decreased
Show More

Property Highlights

Garage
Air Conditioning
Fireplace
Parking Details
Has Garage
Attached Garage
Parking Features: Garage Door Opener
Garage Spaces: 2
Interior Details
Full Bathrooms: 2
Interior Features: High Speed Internet, Eat-in Kitchen, Open Floorplan, Pantry, Walk-In Closet(s), Wet Bar, Kitchen Island, Study Area, Separate Dining Room, 9ft+ Ceilings
Appliances: Dishwasher, Refrigerator, Bar Fridge, Microwave, Disposal, Electric Range/Oven
Flooring Type: Wood Floors
Laundry Features: Washer Hookup, Upper Level
Has Fireplace
Fireplace Features: Gas, Living Room
Basement: None
Exterior Details
Square Footage: 3208
Square Footage Source: $0
Property Condition: Not New, Previously Owned
Architectural Style: Contemporary/Modern
Year Built: 2024
Builder Name: Mosaic Build Collective
Building Area Total: 3208
Levels: Two
Window Features: Double Pane Windows
Construction Materials: Stucco, Wood Siding, Wood/Frame, Painted/Stained
Patio and Porch Features: Deck
Lot Features: Wooded, Level, Curbs, Gutters, Lawn Sprinkler System, Within City Limits
Lot Size Area: 11496
Lot Size Units: Square Feet
Lot Size Acres: 0.26
Lot Size Square Feet: 11496
Water Source: City Water, City of Boulder
Financial Details
Tax Annual Amount: $10,808
Utilities Details
Cooling Type: Central Air
Heating Type: Forced Air
Sewer : City Sewer

Building Info

Overview

    General

  • Year Built: 1954
  • Effective Year Built: 1975
  • Building Count: 1
  • Total Rooms: 5
  • Bedroom Count: 3
  • Bathroom Count: 2
  • Full Bathrooms: 1
  • Partial Bathrooms: 2
  • Building Condition: 6
  • Building Quality: 7
  • Construction Type: 12
  • Building Style: 11
  • Exterior Walls Type: 23
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 100
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 1
  • Garage Square Area: 252
  • Parking Space Count: 1
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 11,496
  • Total Building Area: 1,590
  • Gross Building Area: 1,590
  • Building Area: 1,338
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 4
  • Heated Square Feet: 1,338
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: TR, NBR 101-103,105,107,109,170
  • Land Acres: 0000000264
  • Standard Land Use Code: 1001
  • County Land Use Code: 1112
  • Legal Description 1: TRACTS 400 & 400-A-3 & 400-A-7 & 400-F SE 1/4 24-1N-71

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012101

Geography

  • Assessors Map Reference: B17-C
  • Account Number: R0008036
  • Subdivision Tract Number: 400
  • Parcel: R0008036
  • Meridian: SEC 24 TWN 1N RNG 71
  • Municipality: BOULDER
  • Latitude: 40.0358
  • Longitude: -105.286

    Address

  • Full Address: 864 Iris Ave
  • Address - House Number: 864
  • Address - Street Name: Iris
  • Address - Suffix Type: Ave
  • State: CO
  • City Name: Boulder
  • Carrier Code: C039
  • 4-Digit Zip Code: 1758
  • Zip Code: 80304

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $682,522
  • Tax Rate Code Area: 00-010

    Appraisal Valuation

  • Standard Deviation: 0.0673
  • Valuation Date: Jul 19, 2023
  • Confidence Score: 96
  • Final Value: 992,656
  • High Value: 1,059,521
  • Low Value: 925,791

    Market Valuation

  • Market Total Value: $1,447,400
  • Market Land Value: $1,302,660
  • Market Improvement Value: $144,740

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $97,917
  • Assessed Land Value: $88,125
  • Assessed Improvements Value: $9,792

    Sales

  • Current Sale Contract Date: Jan 03, 2017
  • Current Sale Recording Date: Jan 04, 2017
  • Current Sale Price:
  • Current Sale Document Type: 71
  • Current Sale Input Document Number: 3567323
  • Previous Sale Recording Date: Jul 19, 2002
  • Previous Sale Contract Date: Jul 15, 2002
  • Previous Sale Amount: $462,000
  • Previous Sale Document Type: 71
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Central Boulder


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Nearby Rentals

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  • 1 Bath
1240 Cedar Ave, CO, 80304 Listing by Rick Rivera
Unit for rent at 2037 Walnut St, CO, 80302

$1,200 /mo

  • 1 Bed
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2037 Walnut St, CO, 80302 Listing by Rick Rivera


Frequently Asked Questions

When was property at 864 Iris Avenue built and last sold?
The property at 864 Iris Avenue was built in 1954 and last sold on Jan 3, 2017 for $950,000.
How much is this home worth?
The estimated value of the home located at 864 Iris Avenue is $3,347,307.
What are some comparable homes to 864 Iris Avenue?
There are currently no comparable homes to 864 Iris Avenue.