Updated: Jun 23, 2026
Location and Projects
Address
221 SHERMAN ST, Longmont, CO, 80501
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Modafferi Construction Company
Their BuildZoom score of 0 does not rank in the top 50% of Colorado contractors.
If you are thinking of hiring Modafferi Construction Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Modafferi Construction Company Services
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Modafferi Construction Company Contact Information
Phone Number: (303) 776-6751
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Address: 221 SHERMAN ST, Longmont, CO 80501
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Modafferi Construction Company Longmont
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Modafferi Construction Company, click “This is My Business” to update your information.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Modafferi Construction Company has worked on at least
9.0 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
|
6 projects
|
Home Additions |
|
5 projects
|
Multi-room remodels |
|
5 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Modafferi Construction Company mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
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.
Building Permits by Modafferi Construction Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition 287 sq. ft. family room addition convert exisitng 266 sq. ft. garage into bedroom/bath living space
Valuation:
$190,023
Permit #:
B202405920
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The scope of work includes a 135sf main level addition filling in an existing covered patio area below the upper level. the addition contains a 1/2 bathroom laundry closet and circulation spaces. scope also includes a patio roof addition (246sf) and raised patio area replacing the existing attached sunroom/greenhouse. alterations to the existing interior include 800 sq. ft. main level... see more
Valuation:
N/A
Permit #:
ELE2021-01783
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The scope of work includes a 135sf main level addition filling in an existing covered patio area below the upper level. the addition contains a 1/2 bathroom laundry closet and circulation spaces. scope also includes a patio roof addition (246sf) and raised patio area replacing the existing attached sunroom/greenhouse. alterations to the existing interior include 800 sq. ft. main level... see more
Valuation:
N/A
Permit #:
PLB2021-00743
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The scope of work includes a 135sf main level addition filling in an existing covered patio area below the upper level. the addition contains a 1/2 bathroom laundry closet and circulation spaces. scope also includes a patio roof addition (246sf) and raised patio area replacing the existing attached sunroom/greenhouse. alterations to the existing interior include 800 sq. ft. main level... see more
Valuation:
N/A
Permit #:
MEC2021-02167
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The scope of work includes a 135sf main level addition filling in an existing covered patio area below the upper level. the addition contains a 1/2 bathroom laundry closet and circulation spaces. scope also includes a patio roof addition (246sf) and raised patio area replacing the existing attached sunroom/greenhouse. alterations to the existing interior include 800 sq. ft. main level... see more
Valuation:
N/A
Permit #:
BLD-SFD2021-00589
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family detached dwelling - addition and remodel
2021-11-18
Remodel of entire main level and addition of 171 square feet. includes removal of entire roof addition of 316 square feet to existing deck in rear and new 34 square foot covered patio at entry.**scope update 4/12/18- areas not previously included added to scope- storage room converted to laundry room re-drywalling in bedroom 3 and replacement of all fixtures in addt'l bathroom existin... see more
Valuation:
N/A
Permit #:
PMT2017-02319
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Enclose existing master bedroom deck into conditioned sitting room
Valuation:
$89,600
Permit #:
B202301568
Status:
expired
Fee:
$3,705
Permit Type:
N/A
Building Type:
N/A
Addition 287 sq. ft. family room addition convert existing 266 sq. ft. garage into bedroom/bath living space
Valuation:
$19,023
Permit #:
B202406808
Status:
issued
Fee:
$2,816
Permit Type:
N/A
Building Type:
N/A
Repair and remodel farmhouse
Valuation:
$300,000
Permit #:
BP-20-2098
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel of bi-level including entryway living room dining room new kitchen and new bathroom and new windows
Valuation:
N/A
Permit #:
BLD-SFD2019-00322
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family detached dwelling - addition and remodel
2025-05-29
Void-180 days no activity *kitchen and living room area remodel (520 sq.ft.) and entryway remodel and addition to entryway (70 sq.ft.) for a single family dwelling
Valuation:
N/A
Permit #:
BLD-SFD2020-00434
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel for a single family detached dwelling for the expansion of a kitchen into an adjoining condition sun-room. scope includes raising the roof of the sun-room area to match the roof line of the existing kitchen. . . . . . .
Valuation:
N/A
Permit #:
BLD-SFD2018-00059
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*voided for inactivity - no inspections within 180 days* interior remodel for a townhome. scope includes removal of a section of an interior bearing wall to be replaced with dropped beam(s) per engineer's specifications and remodel of the kitchen. *resubmittal 1/16/18 to modify structural plans to remove column and run one new beam instead where the load bearing wall is removed.*
Valuation:
N/A
Permit #:
BLD-TWN2018-00017
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel & structural stabilization of existing loafing shed (ca-20-0014)
Valuation:
$27,000
Permit #:
BP-20-2218
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert detached garage into adu. extend sewer line and water service. addition 493sf to existing upper level
Valuation:
N/A
Permit #:
B202002615
Status:
complete
Fee:
$7,404
Permit Type:
N/A
Building Type:
N/A
Basement fin & addition; basement expand 261 sf main level addition 518 sf electric upgrade from 100a to 200a. existing total fin 1843 new total is 2356 fin sq ft
Valuation:
N/A
Permit #:
B201604044
Status:
complete
Fee:
$3,040
Permit Type:
N/A
Building Type:
N/A
Interior remodel including kitchen
Valuation:
$80,000
Permit #:
BP-19-2395
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Handycap ramp @ front & rear entrance enlarge front entry dorr to 3
Valuation:
$2,500
Permit #:
B201901935
Status:
complete
Fee:
$152
Permit Type:
N/A
Building Type:
N/A
Deck
Valuation:
$16,000
Permit #:
BP-24-1060
Status:
complete
Fee:
$632
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PLB2019-00597
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Modafferi Construction Company License info
License Not Verified
| License # | LIC-0005033 |
| 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 Modafferi Construction Company with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0005033 |
| Status | Active |
| City | Boulder |
| Type | General Contractor Class C |
- When BuildZoom last verified this license, it had an expiration date of February, 2015. Check the current license status of Modafferi Construction Company with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-10-0049 |
| Status | Inactive |
| County | Boulder County |
| Type | One And Two Family Residential |
- According to the Boulder County Land Use 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 Modafferi Construction Company at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0005033-GENCC |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class C |
- 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 Modafferi Construction Company at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL1177 |
| Status | Inactive |
| County | Larimer County, Co |
| Type | Class C |
- According to the Larimer County, 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 Modafferi Construction Company at the Larimer County.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Modafferi Construction Company, click “This is My Business” to update your information.
133
Permits
- Building permit records show that Modafferi Construction Company has worked on 133 permitted projects.
Modafferi Construction Company Employees
PM
Peter Modafferi
Owner