# 929 and 931 Cannon Street, Helena, MT 59601 > **TL;DR:** multi-family, $450,000 ($268/sqft), built 1963, 1,680 sqft. > 2-car garage. Est. $2,406/mo. Listed 13 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $450,000 | | Price/sqft | $268 | | Square Feet | 1,680 | | Year Built | 1963 | | Lot Size | 6,098 sqft (0.14 acres) | | Garage | 2-car | | Property Type | Multi-Family (Duplex) | | Status | Active | | Days on Market | 13 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $2,275 | | Estimated Insurance | $131 | | **Total** | **$2,406** | ## Key Amenities - 2-car garage ## Property Highlights - Built in 1963 - 0.14 acre lot ## Description ### Agent Description This is a wonderful duplex on the west side near downtown, Carroll College and everything else Helena has to offer. The duplex contains a pair of identical two bedroom, one bathroom, 840 square foot units. The building has been well maintained and just received a fresh coat of exterior paint. Each unit also comes with its own outdoor space and a one-car garage. Rental history has been excellent. This listing is for one duplex but could be sold jointly with the neighboring duplex, 929 and 931 Cannon ( see MLS #30079287). ## Location - **Address:** 929 and 931 Cannon Street, Helena, MT 59601 - **County:** Lewis and Clark - **Coordinates:** 46.5993887, -112.0493504 - **Google Maps:** https://www.google.com/maps?q=46.5993887,-112.0493504 ## Listing Agent - **Name:** Jeff Barber · **License:** RRE-BRO-LIC-109439 - **Brokerage:** Keller Williams Capital Realty - **Broker Phone:** (406) 449-2181 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/929-Cannon-St_Helena_MT_59601_M82768-84415?f=listhub&s=MWMTAR&m=30080140&c=propsimple) ## Photos ![929 and 931 Cannon Street - Photo 1](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f521077565r.jpg) ![929 and 931 Cannon Street - Photo 2](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2012742544r.jpg) ![929 and 931 Cannon Street - Photo 3](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f1284983575r.jpg) ![929 and 931 Cannon Street - Photo 4](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f3109522920r.jpg) ![929 and 931 Cannon Street - Photo 5](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2201949055r.jpg) ![929 and 931 Cannon Street - Photo 6](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f3428850201r.jpg) ![929 and 931 Cannon Street - Photo 7](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f3719719911r.jpg) ![929 and 931 Cannon Street - Photo 8](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2963932434r.jpg) ![929 and 931 Cannon Street - Photo 9](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2284669167r.jpg) ![929 and 931 Cannon Street - Photo 10](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f1700626197r.jpg) ![929 and 931 Cannon Street - Photo 11](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f65598943r.jpg) ![929 and 931 Cannon Street - Photo 12](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2465385174r.jpg) ![929 and 931 Cannon Street - Photo 13](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2077548821r.jpg) ![929 and 931 Cannon Street - Photo 14](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f3527107499r.jpg) ![929 and 931 Cannon Street - Photo 15](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f3606818100r.jpg) ![929 and 931 Cannon Street - Photo 16](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f2615383276r.jpg) ![929 and 931 Cannon Street - Photo 17](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f552287258r.jpg) ![929 and 931 Cannon Street - Photo 18](http://lh.rdcpix.com/cd0ae370c41446d94602bc29c2f8fc22l-f421786157r.jpg) --- **MLS#:** 30080140 | **Updated:** 2026-10-31 **Source:** listhub *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.* [View on PropertySimple](https://staging.propertysimple.ai/listing/929-and-931-cannon-street-helena-mt-59601-ec9ddc3b36b14bd3abb6a046ccbb308c) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://staging.propertysimple.ai/listing/929-and-931-cannon-street-helena-mt-59601-ec9ddc3b36b14bd3abb6a046ccbb308c#listing", "url": "https://staging.propertysimple.ai/listing/929-and-931-cannon-street-helena-mt-59601-ec9ddc3b36b14bd3abb6a046ccbb308c", "name": "929 and 931 Cannon Street, Helena, MT 59601", "description": "This is a wonderful duplex on the west side near downtown, Carroll College and everything else Helena has to offer. The duplex contains a pair of identical two bedroom, one bathroom, 840 square foot units. 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