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Sign Up NowProperty Report for 3621 21St St, Boulder, CO 80304
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Property Details
- Property Address 3621 21St St, Boulder, CO 80304
- County Boulder
- Parcel ID 1463-19-1-07-005
- Legal description LOT 5 BLK 7 CAROLYN HEIGHTS
- School district Boulder Valley School District Re-2
- Acreage 0.66
- Property class Single Family Residence
- Zoning Subscribe
- Square footage 4,542
- Year built 2021
- Bedrooms 4
- Bathrooms 5
About the Property
3621 21St St is a single family residence in the city of Boulder, CO 80304. Located in the Boulder Valley School District Re-2, which resides in Boulder County, CO and built in 2021. This Single Family Residence sits on a 28,706 sq ft lot and features 4 bedrooms, 5 bathrooms and 4,542 sq ft of living space.
The most recent property tax for 3621 21St St was $55,752 with an estimated market value range of $9,339,294 to $10,322,377. This property was last sold on June 14, 2022 for $10,000,000.
Property Info
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Flood
Legal
- LOT 5 BLK 7 CAROLYN HEIGHTS
- Classification SINGLE FAMILY RESIDENCE
- County BOULDER
- FIPS 08013
- Civil Division BOULDER
- Census 080130121.031000
- Parcel ID 1463-19-1-07-005
- Neighborhood CAROLYN HEIGHTS - BO
- Tract 0
- Secondary School District N/A
- Primary School District Boulder Valley School District Re-2
Ownership
Land
- Acres 0.66
- Square Feet 28,706
Building
- Units N/A
- Year Built 2021
- Effective Year Built N/A
- Stories N/A
- # Fireplaces N/A
- Garage/Carport 978 sq.ft.
Utilities
- Cooling Central
- Heating Forced Air
Interior
- Square Footage
- Living Area 4,542
- Total Rooms 11
- Bedrooms 4
- Total Bathrooms 5
- Full Bathrooms 1
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Start Free TrialBoulder Residential Market Stats
Median Sale Price
$1,096,011
-14.6% YoY
Median Price/sq ft.
$554
Boulder County Median Sale Price
$1,096,011
-14.6% YoY
See more Real Estate Trends for Boulder including home values, types of properties sold and transaction volumes.
Taxes and Assessments for 3621 21St St, Boulder
| Tax Year | Taxes | Tax Assesed Value | Exemptions |
|---|---|---|---|
| 2024 | $55,752 (+1.8%) | $634,376 (-0.6%) | |
| 2023 | $54,784 (+275.2%) | $638,062 (+305.8%) | |
| 2022 | $14,600 (+4.9%) | $157,223 (-2.8%) | |
| 2021 | |||
| 2020 | |||
| 2019 | |||
| 2018 |
Sales History for 3621 21St St, Boulder
The most recent sale on 3621 21St St took place on Jun 13, 2022 and recorded on Jun 14, 2022 for $10,000,000.
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| Sale Date | Recorded Date | Buyer(s) | Seller(s) | Price | Document ID |
|---|---|---|---|---|---|
Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
| Address | Distance | SqFt | Sale Date | Price | $/SqFt |
|---|---|---|---|---|---|
| 2545 TAMARACK AVE | .87 mi | 4,392 | 08/18/2025 | $2,450,000 | $558 |
| 3132 5TH ST | 1.19 mi | 4,051 | 08/18/2025 | $4,050,000 | $1,000 |
| 5277 WESTRIDGE DR | 2.69 mi | 3,638 | 08/04/2025 | $2,725,000 | $749 |
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
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Nearby Cities
- 1. Boulder
- 2. Niwot
- 3. Jamestown
- 4. Eldorado Springs
- 5. Lafayette
- 6. Louisville
Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.