Home Value
Trulia Estimate
$356KSince last month
Decreased$9K (-2.5%)Since last year
Increased$21K (+6.3%)Learn more about this home's value by checking out its Trulia Estimate and the value of nearby homes.
Trulia Estimate
The of this home's value increased by +26% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $356K |
| August 2026 | $353K |
| July 2026 | $365K |
| June 2026 | $358K |
| May 2026 | $361K |
| April 2026 | $359K |
| March 2026 | $353K |
| February 2026 | $345K |
| January 2026 | $334K |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.02 | $221,700 | 3 | 2 | 2,456 | Off Market | |
0.16 | $366,600 | 3 | 2 | 2,336 | Off Market | |
0.14 | $149,000 | 3 | 1 | 1,066 | For Sale | |
0.20 | - | 3 | 1 | 1,710 | Recently Sold | |
0.18 | $250,000 | 3 | 2.5 | - | For Sale | |
0.19 | $258,000 | 2 | 1.5 | 1,290 | Off Market | |
0.21 | $204,600 | 2 | 1.5 | 1,800 | Off Market | |
0.23 | $375,000 | 4 | 1 | 3,264 | For Sale | |
0.25 | $225,000 | 3 | 1.5 | 1,872 | For Sale | |
0.22 | $207,000 | 2 | 2 | 1,960 | Off Market | |
0.29 | $142,000 | 2 | 1 | 1,170 | Off Market | |
0.30 | $230,800 | 5 | 2 | 1,917 | Off Market |
Local Information
- Map ViewExplore the area around 421 3rd Ave SW.
- Schools1 Preschool School2 Elementary Schools1 Middle School1 High School
- Shop & Eat
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Home Highlights
Multi-Family
Built in 1910
7,000 sqft
$51/sqft
About this House
This multi-family home is located at 421 3rd Ave SW, Sidney, MT. 421 3rd Ave SW is in Sidney, MT and in ZIP code 59270. This property has 5 bedrooms, 3 bathrooms and approximately 7,000 sqft of floor space. This property has a lot size of 7013 sqft and was built in 1910.
421 3rd Ave SW, Sidney, MT 59270 is a 5 bedroom, 3 bathroom, 7,000 sqft multi-family built in 1910. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $356,100, with a rent estimate of $1,469/month.
Home Details for 421 3rd Ave SW
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Interior Details BasementAtticIn-law unitNumber of Rooms: 5Types of Rooms: Walk In Closet, Breakfast Nook, Family Room, Laundry Room, Master Bath, Mud Room, Pantry, Recreation Room, Sun RoomCeiling Fan |
Heating & Cooling Heating: Baseboard, Forced Air, Radiant, Electric, GasHeating Fuel: Baseboard |
Levels, Entrance, & Accessibility Stories: 3Floors: Carpet, Concrete, Hardwood |
Appliances & Utilities Cable ReadyDishwasherDryerMicrowaveRefrigeratorWasher |
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Exterior Home Features Roof: Shake ShingleExterior: Shingle, Vinyl, WoodFoundation Type: ConcreteLawn |
Parking & Garage Parking Spaces: 6Parking: Off Street, On Street |
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Year Built Year Built: 1910Year Updated: 2018 |
Property Type / Style Property Type: Multi FamilyArchitecture: Other |
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Units in Building: 2 |
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Lot Area: 7013 sqft |
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RV Parking Rv Parking |
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Fitness & Sports Basketball Court |
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Assisted Living Community |
Price and Tax history
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $1,121 | $216,702 |
Home facts updated by county records
Market trends in Sidney
Last updated July 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
32
4MoM
Around this home
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.
What Locals Say about Sidney
At least 6 Trulia users voted on each feature.
100 % Say parking is easy
82 % Say kids play outside
80 % Say it's dog friendly
69 % Say there are sidewalks
54 % Say there's wildlife
50 % Say streets are well-lit
50 % Say car is needed
47 % Say neighbors are friendly
47 % Say it's quiet
43 % Say it's walkable to grocery stores
38 % Say people would walk alone at night
36 % Say they plan to stay for at least 5 years
36 % Say it's walkable to restaurants
33 % Say there's holiday spirit
25 % Say yards are well-kept
14 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 421 3rd Ave SW
- What is 421 3rd Ave SW estimated to be worth?Trulia's estimated value for 421 3rd Ave SW in Sidney, MT is $356,100.
- Is Sidney a buyer's or seller's market?Sidney is currently a seller's market, based on recent for-sale activity.
- What do residents say about Sidney?Residents describe Sidney, MT as easy to park in, dog-friendly, and pedestrian-friendly. See recently sold homes in Sidney, MT.
- What are the closest schools to 421 3rd Ave SW?The closest schools to 421 3rd Ave SW in Sidney, MT are Sidney Elementary School (rated 3/10), Sidney High School (rated 5/10), Sidney Middle School (rated 5/10).
- Does 421 3rd Ave SW have laundry facilities?Yes, 421 3rd Ave SW in Sidney, MT has in-unit laundry.
- Does 421 3rd Ave SW have parking?Yes, 421 3rd Ave SW in Sidney, MT has on-site parking.
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Off Market Homes Near 421 3rd Ave SW
SOLDAUG 31, 2026Diana A.N. Seeman, Realty One Group Caliber, Great North MLS
SOLDAUG 26, 2026Angela A Cymbaluk, Basin Brokers Realtors, Great North MLS- SOLDAUG 13, 2026
- SOLDAUG 9, 2026
- SOLDJUL 24, 2026
- SOLDJUL 21, 2026
SOLDMAY 3, 2026- SOLDMAR 31, 2026
SOLDJAN 11, 2026- SOLDDEC 11, 2025
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