3143 8th St

Boulder, CO 80304

$3,520,000
Last Sold Price
5
Beds
4,692 Sq. Ft.
$750 / Sq. Ft.
4,692
Sq. Ft.
$750
per Sq. Ft.
Sold 5/28/21
Sold 5/28/21

Description

Surround Arch designed home-incredible example of warm modern. Spaces feel light, bright, yet comfortable, serene. Chef's kitchen: Wolf range, Sub Zero fridge, drink fridge, walnut cabinets, carrara marble ctop. Main level office could also function as a bedroom with en suite bath. Owner's bedroom features balcony with mtn views, luxurious bath with free-standing tub, bidet, two walk-in closets. Basement is open and bright with tall ceilings, a spacious bedroom, bath and non-conforming bedroom/office/home...Surround Arch designed home-incredible example of warm modern. Spaces feel light, bright, yet comfortable, serene. Chef's kitchen: Wolf range, Sub Zero fridge, drink fridge, walnut cabinets, carrara marble ctop. Main level office could also function as a bedroom with en suite bath. Owner's bedroom features balcony with mtn views, luxurious bath with free-standing tub, bidet, two walk-in closets. Basement is open and bright with tall ceilings, a spacious bedroom, bath and non-conforming bedroom/office/home gym. Professionally landscaped yard with firepit, two car detached garage with big doors that open into the yard, covered patio, dog run/kennel and a lodge pole pine fence. Quick walk to Sanitas and North Boulder Park.

Property Details for 3143 8th Street

Locale
Boulder
Description 1
House
LISTING UPDATED: 10/20/2025 07:28 PM

Property Details for 3143 8th Street

StatusSold
MLS #937658
Days on Compass9
Taxes$11,044 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built2009
Lot Size0.14 AC / 6,098 SF
CountyBoulder County

Location

Sold By Coldwell Banker Realty 02, Laura Morningstar

Add your commute

Building Information for 3143 8th Street

Stories-Year Built2009Building Size-Lot Size0.14 AC / 6,098 SF

Payment Calculator

$18,076 per month

30 year fixed, 6.15% Interest

Principal and Interest

$17,156

Property Taxes

$920

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 3143 8th Street

Summary
Location and General Information
  • Road Access 2: City Street
  • Latitude: 40.03
  • Longitude: -105.29
Parking
  • Garage SqFt: 412
  • Total Parking: 2.00
  • Parking Features: Garage Door Opener
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • Legal Description: Lots 35-36 Blk 22
  • Tax Information: No
  • HOA2 Fee Amount: $0
  • Tax Year: 2020
  • Tax Annual Amount: $11,044
  • Parcel Number: R0002723
Property
Lot Information
  • Lot Improvements: Evergreen Trees, Deciduous Trees, Paved, Curbs, Sidewalks, Street Light, Alley
  • Lot Size Area: 6,247.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
  • Vegetation: Wooded
Property and Assessments
  • Total Finished Area Source: Plans
  • Living SqFt: 3184
  • Above Grade Finished Area Source: 3184
  • Sq Ft Apx: 1508
  • Total Finished Area: 4692
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: Two
Utilities
  • Electric: Xcel
  • Sewer: Public Sewer
  • Green Energy Efficient: Southern Exposure, Windows
Interior and Exterior Features
Exterior Features
  • Construction Materials: Frame, Stucco, Wood Siding
  • Exterior Features: Sprinkler System, Balcony
  • Flooring: Wood
Interior Features
  • Interior Features: Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Wood Windows, Walk-In Closet(s), Washer/Dryer Hookup, Kitchen Island, Steam Shower, High Ceilings, Full Primary Bath, Tub+Shower Primary, Luxury Features Primary Bath, 5 Piece Primary Bath, Bidet
  • Laundry Features: Gas Range, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Disposal, Fire Alarm
  • Window Features: Window Coverings
  • Fireplaces 1: Gas
  • All Bedrooms Conform: No
  • Full Bathrooms: 3
  • Half Bathrooms: 0
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 1
  • Baths Full Additional: 0
  • Baths Full Basement: 1
  • Baths Full Upper: 2
  • Baths Full Main: 0
  • Baths Full Lower: 0
  • Baths Half Additional: 0
  • Baths Half Basement: 0
  • Baths Half Upper: 0
  • Baths Half Main: 0
  • Baths Half Lower: 0
  • Baths Three Quarters Additional: 0
  • Baths Three Quarters Basement: 0
  • Baths Three Quarters Lower: 0
  • Baths Three Quarters Upper: 0
  • Baths Three Quarters Main: 1
Room Information
Room 1
  • RoomDescription: Carpet
  • RoomLength: 14.0
  • RoomLevel: Upper
  • RoomType: Bedroom 2
  • RoomWidth: 14.0
Room 2
  • RoomDescription: Carpet
  • RoomLength: 14.0
  • RoomLevel: Upper
  • RoomType: Bedroom 3
  • RoomWidth: 14.0
Room 3
  • RoomDescription: Carpet
  • RoomLength: 14.0
  • RoomLevel: Basement
  • RoomType: Bedroom 4
  • RoomWidth: 13.0
Room 4
  • RoomDescription: Carpet
  • RoomLength: 16.0
  • RoomLevel: Basement
  • RoomType: Bedroom 5
  • RoomWidth: 14.0
Room 5
  • RoomDescription: Wood
  • RoomLength: 14.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 12.0
Room 6
  • RoomDescription: Wood
  • RoomLength: 20.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 15.0
Room 7
  • RoomDescription: Wood
  • RoomLength: 8.0
  • RoomLevel: Upper
  • RoomType: Laundry
  • RoomWidth: 6.0
Room 8
  • RoomDescription: Wood
  • RoomLength: 20.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 16.0
Room 9
  • RoomDescription: Carpet
  • RoomLength: 16.0
  • RoomLevel: Upper
  • RoomType: Primary Bedroom
  • RoomWidth: 15.0
  • Room Features: Full Primary Bath, Tub+Shower Primary, Luxury Features Primary Bath, 5 Piece Primary Bath, Bidet
Room 10
  • RoomDescription: Other
  • RoomLength: 35.0
  • RoomLevel: Basement
  • RoomType: Recreation Room
  • RoomWidth: 18.0
Room 11
  • RoomDescription: Wood
  • RoomLength: 16.0
  • RoomLevel: Main
  • RoomType: Study
  • RoomWidth: 14.0
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Owner

Property History for 3143 8th Street

DateEvent & SourcePriceAppreciation
Jul 19, 2024

Sold (Public Record)

Public Record #1539406438

$3,700,000

+1.6% / yr

May 28, 2021

Sold (Public Record)

Public Record #1462220082

$3,520,000

+12.2% / yr

Mar 22, 2005

Sold (Public Record)

Public Record #153534089

$550,000—
DateEvent & SourcePrice
07/19/2024

Sold (Public Record)

Public Record #1539406438

$3,700,000

+1.6% / yr

05/28/2021

Sold (Public Record)

Public Record #1462220082

$3,520,000

+12.2% / yr

03/22/2005

Sold (Public Record)

Public Record #153534089

$550,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 3143 8th Street

Taxable ValueLand$83,288Additions$91,581Total$174,869
Tax Record2025$16,674 ($1,389 / month)
Home Facts
Beds5Baths4Total Finished SqFt4,363 SqFtAbove Grade Finished SqFt3,195 SqFtFinished Basement SqFt1,168 SqFtUnfinished Basement SqFt333 SqFtStories2Lot Size5,881 SqFtStyleSingle Family ResidenceYear Built2009Zoning1112CountyBOULDERAPN1461-24-4-16-017

Schools near 3143 8th Street

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Foothill Elementary School
Public - K to 5
Casey Middle School
Public - 6 to 8
Boulder High School
Public - 9 to 12
University Hill Elementary School
Public - PK to 5
Rating
School
Distance
Foothill Elementary School
PublicK to 5

Casey Middle School
Public6 to 8

Boulder High School
Public9 to 12

University Hill Elementary School
PublicPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Based on information submitted to the MLS GRID as of 10/20/2025 07:28 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.