2. 821 Spring Dr Boulder CO
821 Spring Dr Boulder CO

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821 Spring Dr Boulder, CO

821 Spring Dr Boulder, CO 80303 was built in 1959 and last sold for $1,275,000. The property has a lot size of 52,494 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 1,294,000, reflecting a -4% change over the past year, with 4 beds, 1.5 baths, and approximately 2,566 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

$1,275,000
Last sold Dec 9, 2025
4
Beds
1.5
Baths
2,566
Sqft
Off Market
$1,294,000 estimated value
Built in 1959
$504/sqft
52,494 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0035983
Parking
3
Subdivision
Paragon Estates 1
Heating
Hot Water
Cooling
Evaporative Cooler
Stories
1

Property History

Over the last 12 months, the sales price of 821 Spring Dr Boulder, CO 80303 has decreased by -4%.

Price History

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Year Price Price/Sq Ft
2026 $ 1,291,000 -4 % $ 503
2025 $ 1,354,000 -6 % $ 528
2024 $ 1,448,000 7 % $ 564
2023 $ 1,347,000 13 % $ 525
2022 $ 1,186,000 8 % $ 462
2021 $ 1,098,000 ---- $ 428

Tax History

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Year Taxes Assesments
2026 ---- $ 90,093
2025 $ 8,333 2 %
2024 $ 8,144 1 % $ 82,806
2023 $ 8,019 28 % $ 87,690
2022 $ 6,218 ---- $ 63,328
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Owner

Kelly Stiller Kelly Stiller , Age 40

Lives at 821 Spring DR, Boulder, CO 80303-5024
Relatives: Gayle Stiller, Kelly Stiller, Peter Garrity, Robert Stiller, Timothy Stiller, Jeffrey Garrity, Matthew Garrity, Tracey Stiller, Lily P
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People Living at 821 Spring Dr Boulder, CO

Kelly Stiller Kelly Stiller , Age 40

Lives at 821 Spring DR, Boulder, CO 80303-5024 Boulder CO 80303 821 Spring DR
Prior addresses: 622 Whedbee St, Fort Collins, CO 80524-3130 Fort Collins CO 80524 622 Whedbee St 80 Circle DR, Fort Collins, CO 80524-4104 Fort Collins CO 80524 80 Circle DR 1707 W Stuart ST, Fort Collins, CO 80526-1530 Fort Collins CO 80526 1707 W Stuart ST
Relatives: Gayle Stiller, Kelly Stiller, Peter Garrity, Robert Stiller, Timothy Stiller, Jeffrey Garrity, Matthew Garrity, Tracey Stiller, Lily P
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Andrea Burns Andrea Louise Burns , Age 68

Lives at 4500 19th St, Lot 190, Boulder, CO 80304-0617 Boulder CO 80304 4500 19th St, Lot 190
Prior addresses: 6338 Oak CT, Apt 3, Arvada, CO 80004-4871 Arvada CO 80004 6338 Oak CT, Apt 3 15 Penview Dr, Rochester, NY 14625-2644 Rochester NY 14625 15 Penview Dr 9164 Field St, Westminster, CO 80021-4434 Westminster CO 80021 9164 Field St
Relatives: Alexandria Burns, Corina Burns, Laura Tesch, Lawrence Burns, Linda Burns, Lorraine Burns, Mark Scally, Michael Scally, Peter Burns
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Peter Garrity Peter William Garrity , Age 77

Lives at 622 Whedbee St, Fort Collins, CO 80524-3130 Fort Collins CO 80524 622 Whedbee St
Prior addresses: 704 Mexico PL, Palos Verdes Estates, CA 90274-1209 Palos Verdes Estates CA 90274 704 Mexico PL 821 Spring Dr, Boulder, CO 80303-5024 Boulder CO 80303 821 Spring Dr 348 S Ogden St, Denver, CO 80209-2324 Denver CO 80209 348 S Ogden St
Relatives: Jeffrey Garrity, Kelly Stiller, Matthew Garrity, Gayle Stiller, Lily P, Lily Garrity, Robert Stiller, Sharon Garrity
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Julie Johns Julie Ann Johns , Age 71

Lives at 770 Paragon Dr, Boulder, CO 80303-5013 Boulder CO 80303 770 Paragon Dr
Prior addresses:
Relatives: Mark Johns, Diana Conrad, Janet Hayes, John Hayes, Mary Burpee, Darcy Grandel, David Burpee, David Conrad
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Diana Conrad Diana Johns Conrad , Age 79

Lives at 704 Mexico Pl, Palos Verdes Estates, CA 90274-1209 Palos Verdes Estates CA 90274 704 Mexico Pl
Prior addresses: 695 Town Center DR, Ste 700, Costa Mesa, CA 92626-7187 Costa Mesa CA 92626 695 Town Center DR, Ste 700
Relatives: David Dr, David Conrad, David Conrado, Julie Johns, Mark Johns, Amanda Conrad, August Conrado, Charles Conrad
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Peter Garrity Peter W Garrity

Lives at 821 Spring DR, Boulder, CO 80303-5024 Boulder CO 80303 821 Spring DR
Prior addresses: 622 Whedbee ST, Fort Collins, CO 80524-3130 Fort Collins CO 80524 622 Whedbee ST
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Ivy Sparlin Ivy S Sparlin , Age 28

Lives at 304 Lonnie Ave, Ponca City, OK 74601-1310 Ponca City OK 74601 304 Lonnie Ave
Prior addresses: 2208 Meadowbrook ST, Ponca City, OK 74604-2819 Ponca City OK 74604 2208 Meadowbrook ST 3227 Central St, Apt 15, Kansas City, MO 64111-1341 Kansas City MO 64111 3227 Central St, Apt 15 6230 304th Rd, Arkansas City, KS 67005-5496 Arkansas City KS 67005 6230 304th Rd
Relatives: Aaron Sparlin, Alicia Sparlin, Anita Sparlin, Bailey Sparlin, Briley Sparlin, Burley R, Cheyenne Sparlin, Clara Sparlin
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Warren Longley Warren Warren Longley , Age 117

Lives at 821 Spring Dr, Boulder, CO 80303-5024 Boulder CO 80303 821 Spring Dr
Prior addresses: 17283 Voorhes LN, Ramona, CA 92065-7109 Ramona CA 92065 17283 Voorhes LN
Relatives: Betty Longley
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Mark Johns Mark Allen Johns , Age 76

Lives at 1955 Arapahoe St, Apt 902, Denver, CO 80202-1851 Denver CO 80202 1955 Arapahoe St, Apt 902
Prior addresses: 7481 Knox PL, Westminster, CO 80030-4818 Westminster CO 80030 7481 Knox PL 770 Paragon Dr, Boulder, CO 80303-5013 Boulder CO 80303 770 Paragon Dr
Relatives: Diana Conrad, Julie Johns, Karen Johns, Mark Johns, Steven Johns, Dan Johns, David Dr, David Conrad, David Conrado
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Neighbors

844 Spring Dr
Boulder, CO
View Property Report
770 Paragon Dr
Boulder, CO
View Property Report
754 Wells Dr
Boulder, CO
View Property Report
881 Spring Dr
Boulder, CO
View Property Report

FAQs

Who lives at 821 Spring Dr, Boulder, CO 80303?
According to our records, the current person living in 821 Spring Dr is Kelly Stiller.
Is this property currently for sale?
The property is not for sale and last sold for $1,275,000 on Dec 9, 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 $1,294,000, reflecting a -4% 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 2,566 sq ft of living space on a 52,494 sq ft lot, built in 1959 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 844 Spring Dr, 770 Paragon Dr, and 754 Wells Dr, each with its own property report to help compare size, value, and residents.