




4645 Portside Way, Boulder, CO, 80301
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.
Getting Around
Schools
Construction
Condition
- Property condition: Updated/Remodeled
- Year built: 1980
Materials
- Foundation: Slab
- Roof: Composition
- Construction materials: Frame,Wood Siding
Type & Style
- Home type: SingleFamily
- Architectural style: Contemporary
- Property subType: Duplex
Interior
Appliances
- Appliances included: Convection Oven,Dishwasher,Disposal,Microwave,Oven,Range,Refrigerator,Self Cleaning Oven
- Laundry features: In Unit
Basement
- Has basement: Yes
- Basement: Full,Unfinished
Bathroom
- Level: Main
Bathroom
- Level: Upper
Bedroom
- Features: Primary Suite
- Level: Upper
Bedroom
- Level: Upper
Bedrooms & Bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 1
- 1/4 bathrooms: 1
- Main level bathrooms: 1
Dining Room
- Level: Main
Features
- Ceiling Fan(s),Eat-in Kitchen,Smart Thermostat,Smoke Free,Stone Counters
- Finished area below ground: 0
- Finished area above ground: 1,024
- Common walls with other units/homes: 1 Common Wall
Heating & Cooling
- Heating features: Forced Air
- Cooling features: None
Interior Area
- Total structure area: 1,536
- Total interior livable area: 1,536 sqft
Kitchen
- Level: Main
Living Room
- Level: Main
Property
Details
- Parcel number: R0083999
- Attached to another structure: Yes
- Zoning: SR
- Special condition: Standard
- Exclusions: None
Features
- Levels: Two
- Stories: 2
- Patio & porch: Patio
- Exterior features: Balcony,Private Yard
- Fencing: Partial
- Has view: Yes
- View description: Mountain(s)
Lot
- Lot size: 1,942 sqft
- Features: Greenbelt,Open Space
Parking
- Total spaces: 2
- Parking features: Carport
- Covered spaces: 2
- Carport: Yes
- Carport spaces: 2
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Lightning
- Hail
- Winter Weather
- Inland Flooding
- Strong Wind
- Tornado
- Wildfire
How This Home’s Risks Compare
FEMA Declared Disasters Across Colorado Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $2,523 | $30,276 |
| Home Insurance * | $171 | $2,052 |
| Property Taxes | $216 | $2,592 |
| Electricity | $186 | $2,232 |
| Total | $3,096 | $37,152 |
Income You'd Need if You Spent...
Colorado FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2026-04-23 | Price change | $499,999 |
| 2026-04-13 | Listed for sale | $515,000 |
| 2022-01-10 | Listing removed | -- |
| 2022-01-03 | Listed for rent | $1,375 |
| 2020-12-03 | Listing removed | $1,375 |
| 2020-11-30 | Listed for rent | $1,375 |
| 2020-07-25 | Listing removed | $1,375 |
| 2020-07-23 | Listed for rent | $1,375 |
| 2020-07-02 | Sold | $240,000 |
