Updated: May 26, 2026
Location and Projects
Address
4667 DEVONSHIRE ST, Boulder, CO, 80301
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Mierop Jacob Roofer
Mierop Jacob, 4667 Devonshire St, Boulder, CO (Employees: Jacob Mierop, Jacob Robert Mierop, and Jake Mierop) holds a General license and 20 other licenses according to the Boulder license board.
Their BuildZoom score of 112 ranks in the top 3% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mierop Jacob, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mierop Jacob Contact Information
Phone Number: (303) 505-5084
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Address: 4667 DEVONSHIRE ST, Boulder, CO 80301
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Mierop Jacob Boulder
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mierop Jacob has a BuildZoom score of 112, which places them above 97% of 55,949 contractors in Colorado.
Activity
|
20 projects
|
2025 |
|
48 projects
|
2024 |
|
27 projects
|
2023 |
Our building permit records indicate that Mierop Jacob has worked on at least
95.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
11 projects
|
Home Additions |
|
7 projects
|
Commercial Renovations |
|
3 projects
|
New Constructions |
|
53 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that Mierop Jacob mostly works on
roofing project
and home addition
projects.
Pricing
|
3 projects
|
< $5k |
|
46 projects
|
$5k-$20k |
|
11 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $14,500. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Existing building full roof replacement
Valuation:
$678,000
Permit #:
2025-ROOFSIDE-0001886
Status:
issued
Fee:
$3,856
Permit Type:
N/A
Building Type:
Commercial
Converting current insurance office to a mexican grocery store. rev01: revise layout rev02: removed the requirement for the drinking fountain due to a reduced occupant load. occupant load of establishment is 14
Valuation:
$6,200
Permit #:
BP-24-01578
Status:
complete
Fee:
$426
Permit Type:
N/A
Building Type:
Commercial/indust...
My property has 2 floors above the ground and an unfinished basement. there are 2 bedrooms 2 bathrooms a laundry room and a loft on the 2nd floor. the plan is to convert the loft into the 3rd bedroom by adding partial walls and a double open door. no other works are planned. no electrical work. i and my family will live in this property after the construction for at least 12 months
Valuation:
N/A
Permit #:
2024-RESCON-0002146
Status:
final
Fee:
$176
Permit Type:
N/A
Building Type:
N/A
Finish an existing basement that has an egress window. adding one bedroom in the area where the egress window is located. the existing egress window complies with existing codes. adding one bathroom and a laundry room and a family room
Valuation:
$27,000
Permit #:
2024-LOG-0001235
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair and replace existing shingle roof
Valuation:
$354,937
Permit #:
2514232
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Finish an existing basement that has an egress window. adding one bedroom in the area where the egress window is located. the existing egress window complies with existing codes. adding one bathroom and a laundry room and a family room
Valuation:
N/A
Permit #:
2024-RESCON-0000521
Status:
final
Fee:
$336
Permit Type:
N/A
Building Type:
N/A
Repair and replace existing roof on a single-story building
Valuation:
$400,000
Permit #:
2024-LOG-0011726
Status:
approved
Fee:
$1,225
Permit Type:
N/A
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 20 squares
Valuation:
$4,880
Permit #:
1605031
Status:
issued
Fee:
$215
Permit Type:
Roofing-rt2
Building Type:
N/A
No Description Available
Valuation:
$180,000
Permit #:
CD-24-00212
Status:
issued
Fee:
N/A
Permit Type:
Tenant improvemen...
Building Type:
N/A
Remove and replace siding remove siding and replace
Valuation:
$7,200
Permit #:
2025-ROOFSIDE-0005103
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Interior upgrade no plumbing adding can lights in kitchen only remove wall and addition a beam for support
Valuation:
$25,000
Permit #:
2023-LOG-0004498
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair and replace roof and siding
Valuation:
$20,500
Permit #:
2025-ROOFSIDE-0000865
Status:
issued
Fee:
$187
Permit Type:
N/A
Building Type:
Single family res...
Log in required interior renovation of existing 2 343± sf clubhouse building. renovation includes space reconfiguration of less than 50 percent of building area. work complies with section 504 2015 iebc (alteration- level 2) no change to existing egress or accessible elements. no change to existing mechanical and ventilation systems. plumbing work limited to removal and replacement of... see more
Valuation:
N/A
Permit #:
2020-COMMCON-0002094
Status:
final
Fee:
$268
Permit Type:
N/A
Building Type:
N/A
Repair and replaced existing shingles
Valuation:
$13,800
Permit #:
2025-ROOFSIDE-0004277
Status:
final
Fee:
$131
Permit Type:
N/A
Building Type:
Duplex
Repair and replace existing shingles
Valuation:
$13,800
Permit #:
2025-ROOFSIDE-0004273
Status:
final
Fee:
$131
Permit Type:
N/A
Building Type:
Duplex
Comments: tear off 1 layer and reroof with asphalt 15 squares
Valuation:
$6,000
Permit #:
1863313
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Reapair replace existing roof
Valuation:
$9,600
Permit #:
2025-ROOFSIDE-0005682
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
Single family res...
Comments: tear off 1 layer and reroof with asphalt 10 squares
Valuation:
$2,440
Permit #:
1846408
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Interior wall remodel
Valuation:
$15,000
Permit #:
CEN-25-00155
Status:
issued
Fee:
$831
Permit Type:
N/A
Building Type:
N/A
Repair and replace roof
Valuation:
$10,800
Permit #:
2025-ROOFSIDE-0004569
Status:
final
Fee:
$107
Permit Type:
N/A
Building Type:
Single family res...
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BZ Score
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Avg Project
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BZ Score
$10K
Avg Project
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BZ Score
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Avg Project
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Projects
Mierop Jacob Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mierop Jacob License info
Verified License
| License # | LIC-01004274 |
| Status | Active |
| City | Boulder |
| Type | General |
| Class | Class B |
| Date Issued | 10-20-2025 |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Mierop Jacob at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CL-001659-2021 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | General - Class B |
| Date Issued | 10-09-2025 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Mierop Jacob at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | A210190 |
| Status | Active |
| County | Douglas County |
| Type | General A |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Mierop Jacob at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | General Contractor Class A |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC202000561 |
| Status | Active |
| City | Thornton |
| Type | Class D Roofing Expires 2026 04 21 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mierop Jacob at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC6163 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mierop Jacob at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Commercial Building Contractor |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 488211 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Mierop Jacob at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class A Contractor (Unrestricted) |
| Class | Unrestricted |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Mierop Jacob with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of August, 2020. Check the current license status of Mierop Jacob with the City and County of Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0016427 |
| Status | Inactive |
| Pueblo | |
| Type | Limited |
- According to the Pueblo regional Building Department, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the Pueblo regional Building Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC9356 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR22-0810 |
| Status | Inactive |
| Town | Castle Rock |
| Type | General Unlimited Class A |
- According to the Castle Rock Town, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR21-0288 |
| Status | Inactive |
| Town | Castle Rock |
| Type | Contractor Limited Class B |
- According to the Castle Rock Town, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC000691 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- According to the The City of Littleton, CO, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Roofing Contractor |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Roofing Contractor |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Commercial Building Contractor |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2001602 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class A Contractor (Unrestricted) |
| Class | Unrestricted |
- According to the Jefferson County Licensed Contractors, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0008943-GENCB |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class B |
- According to the Boulder Licensing Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mierop Jacob at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | State National Insurance Company |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
193
Permits
- Building permit records show that Mierop Jacob has worked on 193 permitted projects.
Mierop Jacob Employees
JM
Jacob Mierop
JM
Jacob Robert Mierop
Owner
JM
Jake Mierop
Owner
JC
Jake Mierop Construction
Owner
MJ
Mierop Jacob
Owner