Updated: Jun 23, 2026
Location and Projects
Address
7452 Mt Sherman Rd, Longmont, CO, 80503
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Mk Construction LLC
Mk Construction LLC, 7452 Mt Sherman Rd, Longmont, CO (Owned by: Michael Kellogg) holds a General license and 3 other licenses according to the Boulder license board.
Their BuildZoom score of 106 ranks in the top 7% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mk Construction LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mk Construction LLC Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Mk Construction LLC Contact Information
Phone Number: (303) 803-8225
Address: 7452 Mt Sherman Rd, Longmont, CO 80503
Mk Construction LLC Longmont
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mk Construction LLC has a BuildZoom score of 106, which places them above 93% of 55,949 contractors in Colorado.
Activity
|
16 projects
|
2025 |
|
2 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Mk Construction LLC has worked on at least
24.0 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
|
10 projects
|
Home Additions |
|
6 projects
|
New Constructions |
|
5 projects
|
Fences |
|
5 projects
|
Multi-room remodels |
|
5 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Mk Construction LLC mostly works on
home addition
and new construction
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $93,608. 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.
Single family detached dwelling - addition and remodel
2025-08-13
Renovation of an existing 2 story home (956 sf) and existing garage (966 sf) with a new 2 story addition with a main level (1217 sf) and finished basement (695 sf) that connects to the existing garage. new addition on the main level adds a kitchen and dining room bedroom and bathroom. the basement addition adds a living room bathroom and laundry room
Valuation:
$433,838
Permit #:
BLD-SFD2025-00155
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
9/3/25 **revision 2: the existing boiler will be relocated from the mechanical room to the garage and a skylight will be added to the upper level bathroom. changes are clouded as revision 2** interior renovation to existing 3-story single-family residence. work includes selective removal of drywall at targeted locations for installation of sound-attenuating insulation and noise-reduci... see more
Valuation:
$66,944
Permit #:
BLD-SFD2025-00180
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project includes removal and replacement of existing materials. an alteration of existing kitchen and addition of a powder room the existing basement. removal and replacement of existing windows. **4/24/25 revised reduced scope of work includes no work in the lower level. existing exterior doors and windows will not be replaced except for the north side of the existing kitchen. northe... see more
Valuation:
$58,743
Permit #:
BLD-SFD2025-00026
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation of an existing 2 story home (956 sf) and existing garage (966 sf) with a new 2 story addition with a main level (1217 sf) and finished basement (695 sf) that connects to the existing garage. new addition on the main level adds a kitchen and dining room bedroom and bathroom. the basement addition adds a living room bathroom and laundry room
Valuation:
N/A
Permit #:
UTL2025-00295
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two-story single family dwelling with attached two car garage and a full walk-out basement. basement to include a guest suite with bathroom media room family room laundry and storage. main level to include another guest suite open kitchen/dining living areas and a mudroom. upper level to include the master suite two additional bedrooms and a hall bathroom. scope also includes a fr... see more
Valuation:
N/A
Permit #:
UTL2019-00586
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two-story single family dwelling with attached two car garage and a full walk-out basement. basement to include a guest suite with bathroom media room family room laundry and storage. main level to include another guest suite open kitchen/dining living areas and a mudroom. upper level to include the master suite two additional bedrooms and a hall bathroom. scope also includes a fr... see more
Valuation:
N/A
Permit #:
BLD-SFD2019-00376
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration of existing 2-story single family dwelling w detached garage. alteration to include: 1. interior remodel of 183 sf on basement level 1023 sf on main level and 689 sf on second level. 2. exterior remodel of replacement of three mail level window units one new main level door opening one new second level window opening and replacement of existing second level balcony guardrails
Valuation:
N/A
Permit #:
BLD-SFD2021-00300
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel of a single family detached dwelling. scope includes reconfiguration of interior walls on three levels and replacement of existing windows in existing openings. on lower level an existing bedroom to become a media room. on the main level the kitchen will be remodeled and replacement of windows railing and finishes per plans. on upper level both bathrooms to be remodel... see more
Valuation:
N/A
Permit #:
BLD-SFD2019-00594
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition remodel and deck
Valuation:
$1,851,095
Permit #:
BP-22-2895
Status:
complete
Fee:
$34,517
Permit Type:
N/A
Building Type:
N/A
New exterior finish material at (e) rear deck with new window and door per schedule new overhead garage door interior remodel of 755 sf of kitchen powder mudroom living room gas fireplace master bathroom and upper secondary bathroom
Valuation:
N/A
Permit #:
BLD-SFD2021-00203
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition & remodel
Valuation:
$400,000
Permit #:
BP-22-1689
Status:
complete
Fee:
$10,316
Permit Type:
N/A
Building Type:
N/A
Detached building with garage office gym (sprw-22-0062)
Valuation:
$650,000
Permit #:
BP-23-1371
Status:
issued
Fee:
$15,713
Permit Type:
N/A
Building Type:
N/A
*new one-story single family residence with attached garage partial basement and crawl space for mechanical/storage. the scope will include three bedroom suites. the dwelling will be arranged in wings with family room laundry and bedroom suites in the west wing kitchen living mudroom powder room and garage in the east wing and entry office dining and yoga room in the central section. ... see more
Valuation:
N/A
Permit #:
BLD-SFD2020-00288
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New construction of 2-story 3, 984 sf single family dwelling with finished basement. basement level: bedroom bathroom recreation mechanical room storage room laundry and wine storage. first floor: entry kitchen living dining study half-bath and pantry. second level: 2 bedrooms bathroom master suite with bathroom and stairway to roof. roof: deck. associated meps including 320 amp servi... see more
Valuation:
N/A
Permit #:
BLD-SFD2018-00288
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel and addition to a single family detached dwelling. remodel scope includes basement finish of one bedroom and laundry room on lower level relocation of kitchen and one bedroom and bathroom remodel on main level and remodel of master suite and expansion into existing attic area with new roof above
Valuation:
N/A
Permit #:
PMT2016-01477-PLB
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel and addition to a single family detached dwelling. remodel scope includes basement finish of one bedroom and laundry room on lower level relocation of kitchen and one bedroom and bathroom remodel on main level and remodel of master suite and expansion into existing attic area with new roof above
Valuation:
N/A
Permit #:
PMT2016-01477-MEC
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel and addition to a single family detached dwelling. remodel scope includes basement finish of one bedroom and laundry room on lower level relocation of kitchen and one bedroom and bathroom remodel on main level and remodel of master suite and expansion into existing attic area with new roof above
Valuation:
N/A
Permit #:
PMT2016-01477-ELE
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Propane tank (underground - buried)
Valuation:
$10,000
Permit #:
BP-25-1097
Status:
issued
Fee:
$444
Permit Type:
N/A
Building Type:
N/A
Accessory structure - enclosed structure with heating and/or cooling accessory to single family dupl
2025-06-24
Detached garage with office space above. this accessory building was previously permitted under building acc2019-00009 that has since been closed for inactivity. the building has been constructed and we are applying to obtain a new permit under permit number acc2024-00128 as issued in our initial application
Valuation:
$93,608
Permit #:
BLD-ACC2024-00128
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Void- 180 days no activity replacement of existing rear deck (292 sqft) with same size dimensioned deck. construction to meet class 2 iwuic 2018. building coverage remains unchanged and at pud approved limit
Valuation:
N/A
Permit #:
BLD-ACC2021-00023
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mk Construction LLC Reviews
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Mk Construction LLC License info
Verified License
| License # | LIC-0010673-GENCC |
| Status | Active |
| City | Boulder |
| Type | General |
| Class | Class C |
| Date Issued | 04-20-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mk Construction LLC at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-15-0044 |
| Status | Active |
| County | Boulder County |
| Type | One And Two Family Residential |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Mk Construction LLC at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0010673 |
| Status | Active |
| City | Boulder |
| Type | General Contractor |
| Class | Class C |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Mk Construction LLC with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0010673 |
| Status | Active |
| City | Boulder |
| Type | General Contractor Class C |
- When BuildZoom last verified this license, it had an expiration date of August, 2015. Check the current license status of Mk Construction LLC with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
57
Permits
- Building permit records show that Mk Construction LLC has worked on 57 permitted projects.
Mk Construction LLC Employees
MK
Michael Kellogg
Owner