Residential > House
Sold
01/20/2022
Sold Price
$4,500,000$938/ft²
3633 21st St
Boulder, CO 80304
- 7Beds
- 5Baths
- 4,798ft²Living Area
- 0.8acLot Size
- -Pool
- 3Car
- 1987Year Built
- -DOM
- 17Permits
3633 21st St, Boulder, CO 80304 is a 7 bed, 5 bath, 4,798 ft² house built in 1987 on a 0.811 acre lot with 17 construction permits. This house is currently off market, and it was last sold in 2022 for $4,500,000. The latest TopHap estimate of the house's value is $4,429,800.
Property Valuations
Latest estimates for 3633 21st St based on TopHap automated valuation model (AVM).
TopHap Estimate
$4,429,800
$923/ft²
-$70K below Sold Price
Updated 3 months ago
Last Sold Price
$4,500,000
$938/ft²
2 years ago
3633 21st St is valued at $4,429,800 by TopHap AVM 3 months ago.
3633 21st St was last sold in 2022 for $4,500,000.
Permits
3633 21st St has 17 permit records.
Permit History
17
Permits
January 9, 2023
Description: Tap + 15 water line replacement including a new meter pit and curb stop. Replacing 3/4 with 1 copper. Water fees already paid under utl2022-00895. Work is taking place in the utility/access easement not in 21st st. Itself. Asphalt cut will be 3 x tap + 15 water line replacement including a new meter pit and curb stop. Replacing 3/4 with 1 copper. Water fees already paid under utl2022-00895. Work is taking place in the utility/access easement not in 21st st. Itself. Asphalt cut will be 3 x 7Status: issuedType: Right-of-way permit with utilitiesBusiness Name: Apex Plumbing INCEffective Date: 2023-01-09Permit Number: ROW2023-00017
November 9, 2022
Description: Level 2 alteration. Interior remodel of 1, 659 sf (24% of existing floor area). Demolish existing exterior fireplace. Addition of 445 sf roof deck above existing porch roof & associated door. New folding patio doors per plan. New basement door & landing/steps. New bathroom on upper floor. Remodel main floor kitchen addition new bar/kitchenette to basement. Includes all associated mechanical electrical & plumbingStatus: issuedType: plumbing sub-permitEffective Date: 2022-11-09Permit Number: PLB2022-00245
November 9, 2022
Description: Level 2 alteration. Interior remodel of 1, 659 sf (24% of existing floor area). Demolish existing exterior fireplace. Addition of 445 sf roof deck above existing porch roof & associated door. New folding patio doors per plan. New basement door & landing/steps. New bathroom on upper floor. Remodel main floor kitchen addition new bar/kitchenette to basement. Includes all associated mechanical electrical & plumbingStatus: issuedType: Mechanical sub-permitEffective Date: 2022-11-09Permit Number: MEC2022-00634
November 9, 2022
Description: Level 2 alteration. Interior remodel of 1, 659 sf (24% of existing floor area). Demolish existing exterior fireplace. Addition of 445 sf roof deck above existing porch roof & associated door. New folding patio doors per plan. New basement door & landing/steps. New bathroom on upper floor. Remodel main floor kitchen addition new bar/kitchenette to basement. Includes all associated mechanical electrical & plumbingStatus: issuedType: Electrical sub-permitEffective Date: 2022-11-09Permit Number: ELE2022-00521
November 9, 2022
Description: Interior remodel of 1, 659 sf (24% of existing floor area). Demolish existing exterior fireplace. Addition of 445 sf roof deck above existing porch roof & associated door. New folding patio doors per plan. New basement door & landing/steps. New bathroom on upper floor. Remodel main floor kitchen addition new bar/kitchenette to basement. Includes all associated mechanical electrical & plumbingStatus: issuedType: Single family detached dwelling - addition and remodelBusiness Name: Kabili Construction ManagementEffective Date: 2022-11-09Permit Number: BLD-SFD2022-00175
November 9, 2022
Description: Interior remodel of 1, 659 sf (24% of existing floor area). Demolish existing exterior fireplace. Addition of 445 sf roof deck above existing porch roof & associated door. New folding patio doors per plan. New basement door & landing/steps. New bathroom on upper floor. Remodel main floor kitchen addition new bar/kitchenette to basement. Includes all associated mechanical electrical & plumbingStatus: issuedType: Utility sub-permitBusiness Name: Kabili Construction ManagementEffective Date: 2022-11-09Permit Number: UTL2022-00895
November 18, 2021
Status: completeType: Utility permitBusiness Name: Payless Rooter/mato Plumbing LEffective Date: 2021-11-18Permit Number: UTL2021-00958
February 18, 2019
Description: *installation of replacement 36k btu ductless cooling system like for like in same location; no structural work/changes are evident in the approved scope proposed. No approval is given or implied for any structural changes whatsoever in the scope of this permit. Any such work must receive prior review and approval. Installation per manufacturer's specificationsStatus: completeType: HVAC solar water heater wood burningBusiness Name: Precision plumbing& HeatingFees: $916Effective Date: 2019-02-18Permit Number: MEC2018-00557
December 12, 2018
Description: *installation of a replacement 190k btu 85% efficient high-pressure burnham boiler. Installation per manufacturer's specificationsStatus: issuedType: HVAC solar water heater wood burningBusiness Name: Precision plumbing& HeatingFees: $1,070Effective Date: 2018-12-12Permit Number: MEC2018-01580
February 6, 2018
Description: Minor interior remodel (250SF) and large new deck (1,616 SF) for SFD. Includes electrical work.Status: completeType: Remodel of a Single Family Detached DwellingBusiness Name: Melton Design BuildFees: $6,653Effective Date: 2018-02-06Permit Number: PMT2014-05276
December 16, 2015
Description: Minor interior remodel (250sf) and large new deck (1, 616 sf) for single family dwelling. Includes electrical workStatus: completeType: Electrical sub-permitBusiness Name: Melton Design BuildEffective Date: 2015-12-16Permit Number: PMT2014-05276-ELE
December 7, 2015
Description: Replace gas fireplaceStatus: completeType: HVAC solar water heater wood burningBusiness Name: Melton Design BuildEffective Date: 2015-12-07Permit Number: PMT2015-02476-MEC
June 22, 2015
Description: Replace gas fireplaceStatus: IssuedType: MechanicalSub Type: ResidentialBusiness Name: MELTON CONSTRUCTION, INCApplicant: MAR DELEffective Date: 2015-06-22Permit Number: PMT2015-02476
June 10, 2011
Description: Tear-off reroof of single family dwelling 46.64 squares on a pitch represented as 5/12. Shingles to comply with astm d225 or d3462 and d3161 class f. Overlay not allowed - see section r907.3 (specifically item 4) of 2006 ircStatus: completeType: Roofing replacementBusiness Name: CJ Roofing Company INCFees: $544Effective Date: 2011-06-10Permit Number: PMT2011-02058-RFG
May 23, 2011
Description: Tear-off reroof of SFD, 46.64 squares on a pitch represented as 5/12. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Overlay not allowed - see section R907.3 (specifically item 4) of 2006 IRC.Status: CompletedType: RoofingSub Type: ResidentialBusiness Name: C J ROOFING COMPANYApplicant: PEGGY CLUTEEffective Date: 2011-05-23Permit Number: PMT2011-02058
January 13, 2010
Description: New comfort coolingStatus: canceledType: HVAC solar water heater wood burningBusiness Name: Precision plumbing& HeatingFees: $242Effective Date: 2010-01-13Permit Number: PMT2006-20150-MEC
June 2, 2006
Description: New Comfort CoolingStatus: VoidedType: MechanicalSub Type: ResidentialBusiness Name: PRECISION PLUMBING & HEATINGApplicant: PEGGY CLUTEEffective Date: 2006-06-02Permit Number: PMT2006-20150
Current Ownership
Information about the current owner(s).
Taxes Billed
Taxes billed in 2022$22,935.18From latest Total Assessed Value9.29%Total Assessed Value$246,976=Land+
Assessed Value$71,488Additions
Assessed Value$175,488
In 2022, taxes billed for 3633 21st St were $22,935.18, which is 9.29% from latest Total Assessed Value of $246,976.
Property History
3633 21st St has undefined property events records (listings, deeds, permits, tax, foreclosure, loan).
Property Events
Environment
Environmental factors around 3633 21st St
Hazard Risks
Particulates105Nat'l Avg100Carb Mono95Ozone94Air Pollution94Lead53Earthquake46Tornado43Weather13Hail0Hurricane0Wind0
9 hazards (Carbon Monoxide, Earthquake Risk, Tornado Index, Air Pollution Index, Ozone Index, Weather Risk, Lead Index, Particulate Matter, National Average) are above the national average around 3633 21st St.
Walkability Index
13 /20
Most Walkable
20-18
Very Walkable
17-15
Somewhat Walkable
14-10
Car Dependent
9-0
3633 21st St has a walkability score of 13 out of 20, which means that it is in a somewhat walkable area.
Temperature
Seasonal temperature sampled over multiple years
Winter
Average
Low
20°F
High
44°F
Summer
Average
Low
54°F
High
83°F
In the winter at 3633 21st St, temperatures range from 19.97°F to 44.14°F with an average of 32.06°F. In the summer, the temperature ranges from 54.48°F to 82.65°F with and average of 68.57°F.
School Information
Public/private schools serving 3633 21st St
Public Schools
Columbine Elementary School
Grades: PK-5
0.66 mi
B-
Boulder High School
Grades: 9-12
1.94 mi
A-
Centennial Middle School
Grades: 6-8
0.27 mi
C
* The school rating is based entirely on the test score performance of each school. It is based on a scale of A-F, A being best.
Nearby public schools serving 3633 21st St have ratings undefined, undefined, and undefined.
Neighborhood
This property is located in Carolyn Heights, Boulder, CO 80304.
Seasonal Housing units 80304
27%of housing is for seasonal rent.
Daytime Population for 80304
+18%of people during work hours.
Boundary map of Carolyn Heights.
Crime Index for 80304
96
96
The crime index in 80304 is 96, which is 1.0 times lower than national average.
Market Trends
Historical market data near 3633 21st St over selected time period.
Nearby Properties on 21st St
- 2015 21st St #Unit B, Boulder, CO 80302 (Whittier) is a 1,328 square foot, 3 bedroom, 3.25 bathroom, 0.16 acre property. It was built in 2014 and has an estimate of $1,659,323 with a price per ft² of $1,249.
- 2015 21st St #Unit C, Boulder, CO 80302 (Whittier) is a 1,340 square foot, 3 bedroom, 3.5 bathroom, 0.16 acre property. It was built in 2014 and has an estimate of $1,667,532 with a price per ft² of $1,244.
- 2015 21st St #Unit D, Boulder, CO 80302 (Whittier) is a 1,340 square foot, 3 bedroom, 3.5 bathroom, 0.16 acre property. It was built in 2014 and has an estimate of $1,667,532 with a price per ft² of $1,244.
- 2015 21st St #Unit E, Boulder, CO 80302 (Whittier) is a 1,340 square foot, 3 bedroom, 3.5 bathroom, 0.16 acre property. It was built in 2014 and has an estimate of $1,667,532 with a price per ft² of $1,244.
- View more properties on 21st St