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Renovated Duplex with Basements
For Sale
$1,125,000

303 & 307 S Gilpin Street, Denver, CO 80209

Two residential units offer private back yards, partially finished basements, and dedicated parking improvements.

Days on Market27

Property Features for 303 & 307 S Gilpin Street

General Information

Standard status Active
Property subtype Duplex

Amenities

partially finished basements
private back yards

Building Details

Building Size 4,078 SF
Year Built 1923
Listing Agency: Pinnacle Real Estate Advisors
Listed By: Connor Knutson
Source: Guidere
Added: Jul 6 Changed: Jul 31 Last Checked: Aug 1 at 11:18AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Pinnacle Real Estate Advisors

Investment Insights

Based on property information with market context.

This Denver duplex includes two large two-bedroom, one-bath units with renovated interiors, partially finished basements, and private back yards. The property also includes a detached garage and one off-street parking space. A new roof is planned for Summer 2026.

Located at 303 & 307 S Gilpin Street in Denver, the property is 3 blocks from Washington Park. The two-unit configuration, basement areas, exterior space, and parking improvements support a residential income property format with an owner-occupant opportunity.

Key Highlights

  • Two large 2 Bed/1 Bath units
  • Partially finished basements and private back yards
  • Detached garage plus one off‑street parking space

Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $102.8k $25.20
− Vacancy −$6.0k −$1.46
EGI $96.8k $23.74
− OpEx −$29.0k −$7.12
NOI $67.8k $16.62
4,078 SF · lease $25.20/SF/yr · vacancy 5.79% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$968.2K
$847.1K – $1.13M (±1% cap)
NOI $67,771 @ 7.0% cap · market cap 6.02%
Second Best
Apartment 5plus
$884.6K
$774.0K – $1.03M (±1% cap)
NOI $61,919 @ 7.0% cap · market cap 5.50%
Theoretical Best
Office A
$1.30M
$1.14M – $1.51M (±1% cap)
NOI $90,872 @ 7.0% cap · market cap 8.08%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Food Market Daycare Center (Bike/Boat/Book/etc) Store HVAC Service Electrical Service Storage Facility

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

1,310
Businesses Nearby

Demographics for 80209, CO

27,061
Population
16,045
Households
1.7
Avg Household Size
38
Median Age
80%
College-Educated
99%
High-School Grad
3.5 sq mi
ZIP Area
7,732
Density / Sq Mi
$118,759
Median Household Income
$81,604
Median Earnings
$1,981
Median Rent
$971,500
Median Home Value

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Two residential units offer private back yards, partially finished basements, and dedicated parking improvements.
Where is this duplex located?
The property is located at 303 & 307 S Gilpin Street Denver, CO.
What is the asking price?
The asking price for this property is $1,125,000.
What are key features of this property?
This property features: Two large 2 Bed/1 Bath units; Partially finished basements and private back yards; Detached garage plus one off‑street parking space
More about this property
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