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Location and Projects

Address
459 East 51st Ave, Denver, CO, 80216
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Mastec North American Site Work Contractor

Mastec North American Inc, 459 E 51st Ave, Denver, CO (Owned by: Jose Mas) holds a Row license and 17 other licenses according to the Colorado license board.

Their BuildZoom score of 111 ranks in the top 4% of 55,949 Colorado licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Mastec North American Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Mastec North American Inc Services

Start a project today:
Demolition Excavation and Grading

Mastec North American Inc Contact Information

Phone: (303) 345-1442 Edit
Address: 459 East 51st Ave, Denver, CO 80216 Edit

Mastec North American Inc Denver

Quality

111
96th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Mastec North American Inc has a BuildZoom score of 111, which places them above 96% of 55,949 contractors in Colorado.

Activity

1 project
 2026
395 projects
 2025
186 projects
 2024
16 projects
 2023
Our building permit records indicate that Mastec North American Inc has worked on at least 598.0 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.

Experience

25 projects
 Home Additions
13 projects
 New Constructions
16 projects
 Excavation and grading projects
Analyzing permits over the last 4 years shows that Mastec North American Inc mostly works on home addition and excavation and grading project projects.

Pricing

78 projects
 < $5k
14 projects
 $5k-$20k
3 projects
 $20k-$50k
2 projects
 $50k-$100k
3 projects
 $100k-$250k
1 project
 $250k-$500k
Value Not Public: 472.0 projects
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 Mastec North American Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Right of way
1029 S County Rd, #29, Loveland, CO, 80537
2025-05-30
Mastec wants to bore 2-2 hdpe conduit for the purpose of housing fiber optic cable approximately 4108 beginning at the intersection of s co rd 29 and pole hill rd west on the south row approximately 4108 ft to tie in infrastructure for poudre valley rea. mastec will also be performing potholing hh installation (6) and traffic control
Valuation:
N/A
Permit #:
25-ROW0113
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right of way
7450 County Rd, #20, Loveland, CO, 80537
2025-05-30
Beginning apx 1430feet east of cr29 on cr20 mastec will bore 1036feet on the south row placing new vaults at the beginning and end of the pathway. permit request will be for potholing excavation boring and traffic control
Valuation:
N/A
Permit #:
25-ROW0118
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
4840 Meredith Way, Boulder, CO, 80303
2025-10-17
Jb0001636617 - need row for traffic control to overlash fiber on 48th st and bore on private property parking lot. **contractor must notify impacted residents as soon as possible** **contractor must coordinate with complex management** **residents must be allowed in and out of driveways as needed** **contractor must maintain minimum separation of utilities per city standard at all tim... see more
Valuation:
N/A
Permit #:
ROW2025-00856
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
1900 9th St, Boulder, CO, 80302
2025-10-11
Jb0002169171 | fiber splicing aerial and in vault **contractor must coordinate with parking services 303-413-7300 prior to starting work** **work hours 9 am - 3 pm** **residents must be able to get in and out of their properties** **residents must be notified as far in advance as possible** **contractor must notify non-emergency police and fire departments as far in advance as possibl... see more
Valuation:
N/A
Permit #:
ROW2025-00844
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
910 Pleasant St, Boulder, CO, 80302
2025-09-26
Jb0002131178 - requesting approval to place temporary traffic control to complete 2267 of overheard fiber maintenance. no cuts in city right of way. occupancy only. permit dates: 09/01 – 09/26 **contractor must notify impacted residents as soon as possible** **residents must be allowed in and out of driveways as needed** **contractor must notify non-emergency police and fire of closure**
Valuation:
N/A
Permit #:
ROW2025-00665
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right of way
6447 W County Rd, #20, Loveland, CO, 80537
2025-05-30
At the intersection of cr23h and w 1st st (cr 20) mastec will bore 2-2 hdpe conduit east and north apx 351 ft setting 2 handholes at the beginning and end of the route. this permit request will include traffic control potholing restoration and boring
Valuation:
N/A
Permit #:
25-ROW0114
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right of way
7760 W County Rd, #24, Loveland, CO, 80538
2025-09-16
From a private easement to the south glade rd and cr 24 mastec will install aerial fiber west to apx 3859 ft to the intersection of n co rd 27. at a handhole f28 mastec will bore 241 ft into the larimer co fiber vault (mas-va15). at f19 mastec will bore west to f21 apx 967ft. and install ane vault at f19 and f20 on the planset
Valuation:
N/A
Permit #:
25-ROW0300
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
<placeholder>, Magnolia, CO, 80302
2024-03-08
Fiber install into existing conduit and traffic only. mastec will access the manhole at in the north westbound lane to the east of 33rd ave and pull fiber eastbound. mastec will continue to pull from the manhole located in the northbound lane of innovation ave requiring closure of northbound lane
Valuation:
N/A
Permit #:
ROW2023-00408
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
1014 Adams Cir, Boulder, CO, 80303
2024-07-25
Jb0001380435 | overlash 2755 of new 48ct fiber addition mid sheaths & storage loops install 1 new aerial pole upgrade to 2x4 node/upgrade to splice case b & addition new 12ch mux splice in row. **the new pole must be at least 10 from the sidewalk due to potential expansion of sidewalk into multi-use path.** **work hours on 30th 9am-3:30pm**
Valuation:
N/A
Permit #:
ROW2024-00502
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
934 Spruce St, Boulder, CO, 80302
2024-10-25
1543997 | 1. upgrade to 2x4 node/replace pigtail/overlash 50 of new 48ct fiber/leave storage loop 2. riser down pole 3. bore & pull 205 of new 48ct fiber 4. riser up pole 5. overlash 180 of new 48ct fiber/place new mid-sheath splice case 6. riser down pole. **must notify effected businesses and residents of the alley closure 5 business days prior to starting work.**
Valuation:
N/A
Permit #:
ROW2024-00310
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
901 Brooklawn Dr, Boulder, CO, 80303
2025-10-22
Jb0002169134 - overlash on existing strand 1600 of 48 ct fiber. **contractor must notify impacted residents as soon as possible** **residents must be allowed in and out of driveways as needed**
Valuation:
N/A
Permit #:
ROW2025-00982
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
1050 55th St, Boulder, CO, 80303
2025-11-21
Jb#2114622 | bore 2395 - place 2-2 conduits - pull cable **bike lane merging with vehicular traffic requires speed reduction to 25 mph and appropriate signage** **work hours 9 am - 3 pm**
Valuation:
$0
Permit #:
ROW2025-00784
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
2750 Moorhead Ave, Boulder, CO, 80305
2025-11-12
Jb0001271300 | jb#1271300 - tie into existing splice case behind address 2805 elm ave place new splice case overlash 2750 of new 48ct fiber replace existing amp w 1x2 node/add splice case behind address 3465 moorhead ave
Valuation:
$0
Permit #:
ROW2024-00434
Status:
complete
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Right of way
2312 Goodwine Ln, Loveland, CO, 80537
2025-09-05
This row permit is for oh overlash aerial fiber installation beginning at hwy 34 and goodwine ln and move south ending at the pvrea substation at carter lake and cr 18 e
Valuation:
N/A
Permit #:
25-ROW0128
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
4142 Amber St, Boulder, CO, 80304
2025-09-26
Jb2110358 | jb#2110358-emergency bore 55 bore and pull new coax from ped to ped 2-potholes 2-bore pits 1-asphalt restoration ph. **street less than 3 years old**
Valuation:
N/A
Permit #:
ROW2025-00140
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way
1234 Innovation Dr, Boulder, CO, 80303
2023-06-03
Fiber install into existing conduit and traffic only. mastec will access the manhole at in the north westbound lane to the east of 33rd ave and pull fiber eastbound. mastec will continue to pull from the manhole located in the northbound lane of innovation ave requiring closure of northbound lane
Valuation:
N/A
Permit #:
ROW2023-00403
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
5480 Valmont Rd, Boulder, CO, 80301
2025-08-13
1. upgrade to 2x4 node/replace pigtail & addition 12ch mux. 2. overlash 360 of new 625 coax to node location. 3. bore & pull 120 of new 625 coax from existing splitter then riser up pole. **all bike lane closures must reduce speed to 25 mph**
Valuation:
N/A
Permit #:
ROW2024-00302
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
680 55th St, Boulder, CO, 80303
2024-05-31
Jb#1330910 - bore 281 overlash 290 replace existing equipment addition vault & splice case splice ****modified working hours 9am-330pm**** ****contractor must obtain cdot permit****
Valuation:
$0
Permit #:
ROW2024-00162
Status:
triage
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Right-of-way permit with utilities
1301 Walnut St, Boulder, CO, 80302
2025-03-12
From an existing hh at 1050 walnut st mastec will overpull in existing conduit east to broadway and continue north to lawry past 13th st to 1301 13th st. from the existing hh on the north side of the building mastec will bore 35 foot to intercept existing conduit into the building. *contractor must coordinate with all businesses/properties in the alley minimum 3 days in advance. if an... see more
Valuation:
N/A
Permit #:
ROW2023-00638
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Public space
2002 1st Ave, Greeley, CO, 80631
2025-05-19
Jb0001634671 - bore 1900 overlash 210 addition peds/vaults
Valuation:
$7,000
Permit #:
PS2504-0388
Status:
issued
Fee:
$786
Permit Type:
General construction
Building Type:
N/A

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