4645 Portside Way

Boulder, CO 80301

$515,000
Price
2
Beds
1,536 Sq. Ft.
$335 / Sq. Ft.
1,536
Sq. Ft.
$335
per Sq. Ft.
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Description

Fully remodeled half-duplex with a light-filled open floor plan and upgraded finishes throughout. In addition to full cosmetic overhaul, other improvements include new windows, roof, electrical, and mechanical systems. Enjoy mountain views from multiple rooms and a spacious deck off the primary bedroom. The private yard backs directly to open space and the Boulder County trail system. A full unfinished basement with bathroom plumbing rough-in offers excellent potential for expansion. Attached covered...Fully remodeled half-duplex with a light-filled open floor plan and upgraded finishes throughout. In addition to full cosmetic overhaul, other improvements include new windows, roof, electrical, and mechanical systems. Enjoy mountain views from multiple rooms and a spacious deck off the primary bedroom. The private yard backs directly to open space and the Boulder County trail system. A full unfinished basement with bathroom plumbing rough-in offers excellent potential for expansion. Attached covered two-car carport. Located in a quiet community with low HOA, in unincorporated Boulder County and just a quick 10-minute commute to central Boulder.
  1. Listed by Marina Jensen • Posh Realty
    P: (303)-908-9117 C: (303)-908-9117 Marina@PoshRealtyDenver.com

Property Details for 4645 Portside Way

Structure Type
Duplex
Architectural Style
Contemporary
View
Mountain(s)
Levels
Two
Subdivision Name
Portal Estates
Association
Yes
Multiple Associations
Yes
Basement
Yes
LISTING UPDATED: 04/13/2026 05:40 PM

Property Details for 4645 Portside Way

StatusActive
MLS #6750570
Days on Compass2
Taxes$2,525 / year
HOA Fees$1,471 / year
Condo/Co-op Fees-
Property TypeMulti Family
MLS TypeResidential / Single Family Residence
Year Built1980
Lot Size0.04 AC / 1,942 SF
CountyBoulder County
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Location

Listing Courtesy of Posh Realty, Marina Jensen
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Building Information for 4645 Portside Way

Stories-Year Built1980Building Size-Lot Size0.04 AC / 1,942 SF

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$2,926 per month

30 year fixed, 6.46% Interest

Principal and Interest

$2,593

Property Taxes

$210

HOA Dues

$123

The Payment Calculator is for illustrative purposes only.

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Property Information for 4645 Portside Way

Interior Area & SqFt
Interior Area & SqFt
  • Building Area Total (SqFt Total): 1536
  • Sqft Total: 1536
  • Living Area (SqFt Finished): 1024
  • Above Grade Finished Area: 1024
  • Living SqFt: 1024
  • Sq Ft Apx: 0
  • Below Grade Unfinished Area: 512
  • Area Source: Public Records
  • PSF Total: 335
  • PSF Above Grade: 503
  • PSF Finished: 503
  • Master on Main: No
  • Room and Floor: Kitchen-Main-1, Living Room-Main-1, Bathroom One Quarter-Main-1, Bathroom Full-Upper-1, Master Bedroom-Upper-1, Bedroom-Upper-1, Dining Room-Main-1
  • Room Count: 7
  • Basement: Full, Unfinished
  • Foundation Details: Slab
  • Heating: Forced Air
  • Cooling: None
  • Interior Features: Ceiling Fan(s), Eat-in Kitchen, Smart Thermostat, Smoke Free, Stone Counters
  • Security Features: Carbon Monoxide Detector(s), Smoke Detector(s)
  • Appliances: Convection Oven, Dishwasher, Disposal, Microwave, Oven, Range, Refrigerator, Self Cleaning Oven
  • Laundry Features: In Unit
Financials & Expenses
Fees & Restrictions
  • Pets Allowed: Private Yard
Bed & Bath Summary
Bedrooms
  • Bedrooms Total: 2
  • Upper Level Bedrooms: 2
  • Main Level Bedrooms: 0
  • Lower Level Bedrooms: 0
  • Basement Level Bedrooms: 0
Bathrooms
  • Bathrooms Total: 2
  • Upper Level Bathrooms: 1
  • Main Level Bathrooms: 1
  • Lower Level Bathrooms: 0
  • Basement Level Bathrooms: 0
  • Bathrooms Full: 1
  • Bathrooms Three Quarter: 0
  • Bathrooms Half: 0
  • Bathrooms One Quarter: 1
Detailed Room Info
Room 1
  • Room Type: Kitchen
  • Room Level: Main
  • Room Description: Full remodel, open to dining room
Room 2
  • Room Type: Living Room
  • Room Level: Main
  • Room Description: Light filled with all new flooring
Room 3
  • Room Type: Bathroom One Quarter
  • Room Level: Main
  • Room Description: Full remodel
Room 4
  • Room Type: Bathroom Full
  • Room Level: Upper
  • Room Description: Full remodel
Room 5
  • Room Type: Bedroom
  • Room Level: Upper
  • Room Description: Generous size with deck access
Room 6
  • Room Type: Bedroom
  • Room Level: Upper
  • Room Description: Second bedroom upstairs, features mountain views
Room 7
  • Room Type: Dining Room
  • Room Level: Main
  • Room Description: Open to kitchen, with access to the side yard
Parking
Parking
  • Parking Features: Carport
  • Attached Garage: No
  • Parking Type: Carport (Attached)
  • Parking Description: Carport (Attached)-2
  • Parking Details: 2
  • Parking Total: 1
  • Garage Spaces: 0
  • Offstreet Spaces: 0
  • Parking Count: 2
  • Carport Spaces: 2
  • Reserved Spaces: 0
  • RV Spaces: 0
Association Information
Association Information
  • Association Fee Includes: Maintenance Grounds, Snow Removal, Trash
  • Association Fee Total Annual: $1,471
  • Senior Community: No
Site & Location Information
School Information
  • Elementary School: Heatherwood
  • Elementary School District: Boulder Valley RE 2
  • Middle Or Junior School: Platt
  • Middle Or Junior School District: Boulder Valley RE 2
  • High School: Boulder
  • High School District: Boulder Valley RE 2
Site & Location Information
  • Lot Size Acres: .04
  • Lot Size Square Feet: 1942
  • Lot Features: Greenbelt, Open Space
  • Zoning: SR
  • Fencing: Partial
  • Accessibility Features: Abuts Public Open Space, Abuts Private Open Space
  • Property Exclusions: none
Building Information
Outbuildings
  • Out Building Count: 0
  • Horse: No
Building Information
  • Construction Materials: Frame, Wood Siding
  • Property Condition: Updated/Remodeled
  • Roof: Composition
  • Common Walls: 1 Common Wall
  • Exterior Features: Balcony, Private Yard
  • Patio And Porch Features: Patio
  • Livable Structure Count: 0
Water & Utilities
Water & Utilities
  • Water Source: Public
  • Utilities: Forced Air, Eat-in Kitchen
  • Sewer: Public Sewer

Property History for 4645 Portside Way

DateEvent & SourcePriceAppreciation
Jul 1, 2020

Sold (Public Record)

Public Record #674012782

$240,000—
DateEvent & SourcePrice
07/01/2020

Sold (Public Record)

Public Record #674012782

$240,000

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

Public Records for 4645 Portside Way

Taxable ValueLand$8,906Additions$16,000Total$24,906
Tax Record2025$2,525 ($210 / month)
Home Facts
Beds2Baths1.5Total Finished SqFt1,024 SqFtAbove Grade Finished SqFt1,024 SqFtUnfinished Basement SqFt512 SqFtLot Size1,960 SqFtStyleTownhouseYear Built1980Zoning1112CountyBOULDERAPN1463-11-3-10-011

Schools near 4645 Portside Way

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Heatherwood Elementary School
Public - PK to 5
Nevin Platt Middle School
Public - 6 to 8
Fairview High School
Public - 9 to 12
Boulder High School
Public - 9 to 12
Rating
School
Distance
Heatherwood Elementary School
PublicPK to 5

Nevin Platt Middle School
Public6 to 8

Fairview High School
Public9 to 12

Boulder High School
Public9 to 12

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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More information about 4645 Portside Way, Boulder, CO 80301

4645 Portside Way is a multi-family home for sale in Boulder, CO 80301. This property was listed for sale on April 13, 2026 by Posh Realty, it's currently listed at $515,000. It has been on the market for a total of 2 days and was last sold on July 1, 2020. This listing's school district is Boulder Valley Re 2 School District. Nearby schools include Heatherwood Elementary School, Nevin Platt Middle School and Fairview High School. 4645 Portside Way is a 2-bed, 2-bath, 1,536 sqft multi-family home built in 1980.

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.

Listing Courtesy of Posh Realty, Marina Jensen

Based on information submitted to the MLS GRID as of 04/13/2026 05:40 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.