Report Results for

409 Monroe St Boulder, MT

409 Monroe St Boulder, MT 59632 was built in 1975 The property has a lot size of 12,415 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 254,000, reflecting a -19% change over the past year, with 3 beds, 1 baths, and approximately 1,104 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

 
Last sold Apr 10, 2026
3
Beds
1
Baths
1,104
Sqft
Off Market
$254,000 estimated value
Built in 1975
$230/sqft
12,415 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
51-1490-29-4-26-03-0000
Parking
2
Subdivision
Boulder Original Townsite
Heating
Central
Cooling
Central
Fireplaces
1
Stories
1

Property History

Over the last 12 months, the sales price of 409 Monroe St Boulder, MT 59632 has decreased by -19%, and the tax decreased by -9%.

Price History

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Year Price Price/Sq Ft
2026 $ 236,000 -19 % $ 214
2025 $ 295,000 -2 % $ 267
2024 $ 302,000 -57 % $ 274
2023 $ 712,000 160 % $ 645
2022 $ 273,000 30 % $ 247
2021 $ 209,000 ---- $ 189

Tax History

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Year Taxes Assesments
2025 $ 534 -9 % $ 297,900
2024 $ 589 -29 % $ 236,500
2023 $ 835 78 % $ 236,500
2022 $ 467 4 % $ 145,800
2021 $ 448 ---- $ 145,800
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Owner

People Living at 409 N Monroe St Boulder, MT

Armella Thrapp Armella B Thrapp , Age 93

Lives at 409 N Monroe St, Boulder, MT 59632-7703 Boulder MT 59632 409 N Monroe St
Prior addresses: Po Box 1266, Boulder, MT 59632-1266 Boulder MT 59632 Po Box 1266 400 W Thompson St, Boulder, MT 59632-7855 Boulder MT 59632 400 W Thompson St Po Box 1266, Victor, MT 59875-1266 Victor MT 59875 Po Box 1266

Whalon Gill Whalon G Gill , Age 105

Lives at Po Box 144, Boulder, MT 59632-0144 Boulder MT 59632 Po Box 144
Prior addresses: 409 N Monroe ST, Boulder, MT 59632-7703 Boulder MT 59632 409 N Monroe ST 409 Monroe St, Boulder, MT 59632 Boulder MT 59632 409 Monroe St
Relatives: Katherine Gill

Katherine Gill Katherine M Gill , Age 93

Lives at Po Box 144, Boulder, MT 59632-0144 Boulder MT 59632 Po Box 144
Prior addresses: Po Box 661, Boulder, MT 59632-0661 Boulder MT 59632 Po Box 661 1711 6th Ave, Clarkston, WA 99403-1501 Clarkston WA 99403 1711 6th Ave 2801 Colonial Dr, Apt 223, Helena, MT 59601-8040 Helena MT 59601 2801 Colonial Dr, Apt 223
Relatives: Whalon Gill


Neighbors

302 W Leslie
Boulder, MT

415 N Monroe St
Boulder, MT

421 N Monroe St
Boulder, MT

404 N Adams St
Boulder, MT

FAQs

Who lives at 409 N Monroe St, Boulder, MT 59632?
According to our records, the current person living in 409 N Monroe St is Armella Thrapp.
Is this property currently for sale?
The property is not for sale. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $254,000, reflecting a -19% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 1,104 sq ft of living space on a 12,415 sq ft lot, built in 1975 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 302 W Leslie, 415 N Monroe St, and 421 N Monroe St, each with its own property report to help compare size, value, and residents.