4645 Portside Way Boulder, CO 80301
Gunbarrel NeighborhoodEstimated payment $3,002/month
Highlights
- Primary Bedroom Suite
- Mountain View
- Stone Countertops
- Heatherwood Elementary School Rated A-
- Contemporary Architecture
- Private Yard
About This Home
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.
Listing Agent
Posh Realty Brokerage Phone: 303-908-9117 License #100033701 Listed on: 04/13/2026
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $2,525
Year Built
- Built in 1980 | Remodeled
Lot Details
- 1,942 Sq Ft Lot
- Open Space
- Partially Fenced Property
- Private Yard
- Property is zoned SR
HOA Fees
Home Design
- Contemporary Architecture
- Slab Foundation
- Frame Construction
- Composition Roof
- Wood Siding
Interior Spaces
- 2-Story Property
- Ceiling Fan
- Living Room
- Dining Room
- Mountain Views
- Unfinished Basement
- Basement Fills Entire Space Under The House
- Laundry in unit
Kitchen
- Eat-In Kitchen
- Self-Cleaning Convection Oven
- Range
- Microwave
- Dishwasher
- Stone Countertops
- Disposal
Bedrooms and Bathrooms
- 2 Bedrooms
- Primary Bedroom Suite
Home Security
- Smart Thermostat
- Carbon Monoxide Detectors
- Fire and Smoke Detector
Parking
- 2 Parking Spaces
- 2 Carport Spaces
Eco-Friendly Details
- Smoke Free Home
Outdoor Features
- Balcony
- Patio
Schools
- Heatherwood Elementary School
- Platt Middle School
- Boulder High School
Utilities
- No Cooling
- Forced Air Heating System
Community Details
- Association fees include ground maintenance, snow removal, trash
- Twin Lakes HOA, Phone Number (303) 457-1444
- Portal Estates Association, Phone Number (983) 207-5231
- Portal Estates Subdivision
- Greenbelt
Listing and Financial Details
- Property held in a trust
- Assessor Parcel Number R0083999
Map
Home Values in the Area
Average Home Value in this Area
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 | $2,150 | $24,906 | $8,906 | $16,000 |
| 2024 | $2,150 | $24,906 | $8,906 | $16,000 |
| 2023 | $2,115 | $23,015 | $9,548 | $17,152 |
| 2022 | $2,464 | $25,069 | $7,277 | $17,792 |
| 2021 | $2,350 | $25,790 | $7,486 | $18,304 |
| 2020 | $2,339 | $25,390 | $6,650 | $18,740 |
| 2019 | $2,302 | $25,390 | $6,650 | $18,740 |
| 2018 | $2,055 | $22,385 | $5,472 | $16,913 |
| 2017 | $1,994 | $24,748 | $6,050 | $18,698 |
| 2016 | $1,566 | $16,995 | $4,617 | $12,378 |
| 2015 | $1,488 | $15,705 | $5,492 | $10,213 |
| 2014 | $1,522 | $15,705 | $5,492 | $10,213 |
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 04/23/2026 04/23/26 | Price Changed | $499,999 | -2.9% | $488 / Sq Ft |
| 04/13/2026 04/13/26 | For Sale | $515,000 | -- | $503 / Sq Ft |
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Warranty Deed | -- | -- | |
| Special Warranty Deed | $240,000 | Land Title Guarantee | |
| Interfamily Deed Transfer | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Quit Claim Deed | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Interfamily Deed Transfer | -- | -- | |
| Warranty Deed | $68,200 | -- | |
| Warranty Deed | $125,500 | -- |
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Previous Owner | $168,000 | Unknown |
Source: REcolorado®
MLS Number: 6750570
APN: 1463113-10-011
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Ask me questions while you tour the home.