Report Results for

1899 3rd Ave Longmont, CO

1899 3rd Ave Longmont, CO 80501 was built in 1972 and last sold for $89,900. The property has a lot size of 12,952 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 621,000, reflecting a 7% change over the past year, with 3 beds, 1.5 baths, and approximately 1,684 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

$89,900
Last sold Oct 16, 2025
3
Beds
1.5
Baths
1,684
Sqft
Off Market
$621,000 estimated value
Built in 1972
$369/sqft
12,952 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0046520
Parking
2
Subdivision
Nelsons Amended Replat - Lg
Heating
Forced air unit
Stories
2

Property History

Over the last 12 months, the sales price of 1899 3rd Ave Longmont, CO 80501 has increased by 7%.

Price History

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Year Price Price/Sq Ft
2026 $ 631,000 7 % $ 375
2025 $ 589,000 1 % $ 350
2024 $ 580,000 8 % $ 344
2023 $ 534,000 1 % $ 317
2022 $ 528,000 24 % $ 314
2021 $ 425,000 ---- $ 252

Tax History

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Year Taxes Assesments
2026 ---- $ 39,209
2025 $ 3,127 39 %
2024 $ 2,240 1 %
2023 $ 2,209 20 % $ 30,117
2022 $ 1,838 ---- $ 25,520
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Owner

People Living at 1899 3rd Ave Longmont, CO

Karl Thierstein Karl R Thierstein , Age 83

Lives at 602 Mill Creek Shores Ln, UNIT 7, Lampe, MO 65681-8200 Lampe MO 65681 602 Mill Creek Shores Ln, UNIT 7
Prior addresses: Po Box 511, Lampe, MO 65681-0511 Lampe MO 65681 Po Box 511 564 Bighorn Cir, Silverthorne, CO 80498-9216 Silverthorne CO 80498 564 Bighorn Cir Po Box 1027, Frisco, CO 80443-1027 Frisco CO 80443 Po Box 1027


Neighbors

1901 3rd Ave
Longmont, CO

1903 Arapahoe Dr
Longmont, CO

1901 Arapahoe Dr
Longmont, CO

1905 3rd Ave
Longmont, CO

FAQs

Who lives at 1899 3rd Ave, Longmont, CO 80501?
According to our records, the current person living in 1899 3rd Ave is John Coe.
Is this property currently for sale?
The property is not for sale and last sold for $89,900 on Oct 16, 2025. 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 $621,000, reflecting a 7% 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 1,684 sq ft of living space on a 12,952 sq ft lot, built in 1972 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 1901 3rd Ave, 1903 Arapahoe Dr, and 1901 Arapahoe Dr, each with its own property report to help compare size, value, and residents.