520 Madison Avenue, a well-loved home nestled in one of Helena’s cherished historic neighborhoods. Set along a beautiful tree-lined street, this home offers the character and charm Helena is known for, with downtown just minutes away. Enjoy convenient access to local shopping, restaurants, theaters, parks, and the sought-after Mount Helena trail system for hiking and mountain biking.
The inviting covered front porch is the perfect place to relax and enjoy the moments. Inside, you’ll find four bedrooms, one bathroom, and beautiful period details throughout. One bedroom is ideally positioned to also serve as a welcoming home office. Upstairs, the spacious finished attic offers remarkable versatility, featuring custom built-ins with two integrated headboards, two desks, and abundant storage—creating a unique bedroom space or an impressive hobby, craft, or creative area.
Beautiful built-in cabinetry, distinctive fixtures, and thoughtful architectural details showcase the craftsmanship and personality of this special home. Filled with history, warmth, and character, 520 Madison Avenue is an opportunity to enjoy historic Helena living with downtown amenities and outdoor recreation close at hand.
Active
Price cut: $25K (9/15)
$585,000
520 Madison Ave, Helena, MT 59601
4beds
1,372sqft
Single Family Residence
Built in 1887
8,755 Square Feet Lot
$595,300 Zestimate®
$426/sqft
$-- HOA
What's special
Beautiful tree-lined streetInviting covered front porchThoughtful architectural detailsDistinctive fixturesBeautiful period details throughoutFour bedroomsSpacious finished attic
- 10 days
- 992
- 28
Zillow last checked:
Listing updated:
Listed by:
Jenni Swartz 406-439-5304,
RE/MAX Of Helena
Source: MRMLS,MLS#: 30078032
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 1
- Full bathrooms: 1
Heating
- Forced Air, Gas
Appliances
- Included: Dishwasher, Range, Refrigerator
- Laundry: Washer Hookup
Features
- Basement: Unfinished
- Number of fireplaces: 1
Interior area
- Total structure area: 3,114
- Total interior livable area: 1,372 sqft
- Finished area below ground: 0
Video & virtual tour
Property
Parking
- Parking features: Alley Access, On Street
Features
- Patio & porch: Covered, Front Porch, Patio
- Exterior features: Garden, Rain Gutters, See Remarks
- Fencing: Back Yard
Lot
- Size: 8,755 Square Feet
Details
- Additional structures: Shed(s)
- Parcel number: 05188725447050000
- Zoning description: 1
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Bungalow
- Property subtype: Single Family Residence
Materials
- Foundation: Stone
Condition
- New construction: No
- Year built: 1887
Utilities & green energy
- Sewer: Public Sewer
- Water: Community/Coop
Community & HOA
Community
- Features: Curbs, Street Lights, Sidewalks
HOA
- Has HOA: No
Location
- Region: Helena
Financial & listing details
- Price per square foot: $426/sqft
- Tax assessed value: $607,100
- Annual tax amount: $2,633
- Date on market: 9/8/2026
- Listing agreement: Exclusive Right To Sell
- Listing terms: Cash,Conventional
Estimated market value
$595,300
$566,000 - $625,000
$2,570/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/15/2026 | Price change | $585,000-4.1%$426/sqft |
Source:  MRMLS #30078032 Report a problem | ||
| 9/8/2026 | Listed for sale | $610,000$445/sqft |
Source: MRMLS #30078032 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $2,107 +46.3% | $607,100 +40% |
| 2024 | $1,440 -43.6% | $433,500 |
| 2023 | $2,554 | $433,500 +50.3% |
| 2022 | -- | $288,500 |
| 2021 | $1,426 +5.9% | $288,500 +2.6% |
| 2020 | $1,346 -0.2% | $281,300 |
| 2019 | $1,349 -23.5% | $281,300 +1.1% |
| 2018 | $1,763 +5.9% | $278,300 |
| 2017 | $1,665 +133.9% | $278,300 +19.9% |
| 2016 | $712 -3% | $232,200 |
| 2015 | $734 +104.7% | $232,200 +136.2% |
| 2014 | $359 +1.3% | $98,315 +2.7% |
| 2013 | $354 -80.1% | $95,772 +3% |
| 2012 | $1,784 | $92,952 |
| 2011 | -- | -- |
| 2010 | -- | -- |
| 2009 | -- | -- |
| 2008 | -- | $127,000 |
| 2007 | -- | $127,000 |
| 2006 | -- | $127,000 |
| 2005 | -- | $127,000 |
| 2004 | -- | $127,000 |
| 2003 | -- | $127,000 +43% |
| 2002 | -- | $88,800 |
| 2000 | -- | $88,800 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: Euclid Ave South
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