Duplex with
New
For Sale
$450,000
929 and 931 Cannon Street, Helena, MT 59601
ResidentialIncome, Helena, MT
Property Size1,680 SF
Lot Size0.14 Acres
Price / SF$267.86
Days on Market2
Property Features for 929 and 931 Cannon Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning
Residential
Zoning description
R-2
Rooms
Laundry Room
Directions
SE corner of Cannon and Lincoln
Standard status
Active
APN
05188725133210000
Size
1,680 SF
Lot size
0.14 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
CANNON ADDN, S25, T10 N, R04 W, BLOCK 52, Lot 1 - 2
Tax Annual Amount
3338
Legal Description
CANNON ADDN, S25, T10 N, R04 W, BLOCK 52, Lot 1 - 2
Building Details
Year built
1963
Number of units
2
Listing Agency:
Keller Williams Capital Realty · Keller Williams Realty
(406) 449-2181
Listed By:
Jeff Barber · License #RRE-BRO-LIC-109439
(406) 422-6647
Added: Oct 21
Changed: Oct 22
Last Checked: Oct 22 at 5:06AM
MLS# 30080140
Copyright © 2026 Montana Regional MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
Built in 1963, this duplex contains two matching residences, each with two bedrooms, one bathroom, and 840 square feet. The property totals 1,680 square feet on a 0.14-acre lot. Each unit has its own outdoor area and one-car garage, and the building includes a laundry room. Recent exterior painting and reported ongoing maintenance round out the physical improvements.
The property is on Cannon Street in Helena, near downtown and Carroll College. Residential zoning applies. The listing covers one duplex; a neighboring duplex at 929 and 931 Cannon Street is identified as a possible joint sale.
The property is on Cannon Street in Helena, near downtown and Carroll College. Residential zoning applies. The listing covers one duplex; a neighboring duplex at 929 and 931 Cannon Street is identified as a possible joint sale.
Key Highlights
- Two matching units, each with 2 bedrooms, 1 bathroom, and 840 square feet
- 1,680‑square‑foot duplex on a 0.14‑acre lot
- Private outdoor space and a one‑car garage for each unit
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$15,174
Cap Rate
3.37%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$303,480
$303.5K
Cap Rate 7%
$216,771
$216.8K
Cap Rate 9%
$168,600
$168.6K
Market Conditions
NOI Build-Up for 1,680 SF
Gross rent
$23.2K $13.80/SF
− Vacancy
−$1.5K −$0.90/SF
EGI
$21.7K $12.90/SF
− OpEx
−$6.5K −$3.87/SF
NOI
$15.2K $9.03/SF
Area
Lewis and Clark County, MT
Vacancy
6.50%
Lease Rate
$13.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$303,480
Cap Rate 7%
$216,771
Cap Rate 9%
$168,600
Alternative Uses
Best Use
Multifamily LT 5
$216.8K
$189.7K – $252.9K
NOI $15,174 @ 7.0% cap · market cap 3.37%
Second Best
Apartment 5plus
$203.1K
$177.8K – $237.0K
NOI $14,220 @ 7.0% cap · market cap 3.16%
Theoretical Best
Office A
$365.0K
$319.3K – $425.8K
NOI $25,547 @ 7.0% cap · market cap 5.68%
Zoning and permitted uses should be independently verified with authorities.
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Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
399
Businesses Nearby
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Business Placement
Demographics for 59601, MT
30,848
Population
15,937
Households
1.9
Avg Household Size
41
Median Age
51%
College-Educated
96%
High-School Grad
130.2 sq mi
ZIP Area
237
Density / Sq Mi
$70,502
Median Household Income
$44,000
Median Earnings
$1,023
Median Rent
$355,000
Median Home Value
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Market
Vacancy Rate% for Multifamily in West region
Frequently Asked Questions
What type of property is this?
Duplex - Both residences include private outdoor areas and individual one-car garages.
Where is this duplex located?
The property is located at 929 and 931 Cannon Street Helena, MT.
What is the asking price?
The asking price for this property is $450,000.
What are key features of this property?
This property features: Two matching units, each with 2 bedrooms, 1 bathroom, and 840 square feet; 1,680‑square‑foot duplex on a 0.14‑acre lot; Private outdoor space and a one‑car garage for each unit
