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Location and Projects

Address
229 VALLEJO ST, Denver, CO, 80223
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We Oneil Const Co of Colorado Construction

For over two decades, We O’Neil Construction Company of Colorado has delivered commercial construction services in Denver and throughout Colorado. With experience spanning a broad range of markets, the company manages projects including ground-up commercial buildings, comprehensive renovations, tenant improvements, and facility upgrades. Portfolio examples highlight work on office complexes, healthcare facilities, hospitality venues, education buildings, and retail developments. The firm serves clients that include private businesses, educational institutions, healthcare organizations, and developers seeking tailored construction management, general contracting, and design-build solutions. We O’Neil’s approach emphasizes collaboration with architects, engineers, and owners from preconstruction planning through project closeout. Their expertise includes managing both complex urban sites and multi-phase renovations in occupied facilities. Founded as part of the national We O’Neil group, the Colorado office draws on established risk management processes, safety protocols, and project delivery methods developed over decades in the industry. The Denver-based team combines local market knowledge with national resources to meet the construction needs of organizations across the Front Range and beyond.

We Oneil Const Co of Colorado Services

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We Oneil Const Co of Colorado Contact Information

Phone: (303) 238-7900 Edit
Address: 229 VALLEJO ST, Denver, CO 80223 Edit

We Oneil Const Co of Colorado Denver

Quality

109
95th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
We Oneil Const Co of Colorado has a BuildZoom score of 109, which places them above 95% of 55,949 contractors in Colorado.

Activity

18 projects
2025
16 projects
2024
8 projects
2023
Our building permit records indicate that We Oneil Const Co of Colorado has worked on at least 42.0 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

9 projects
New Constructions
5 projects
Commercial Renovations
Analyzing permits over the last 4 years shows that We Oneil Const Co of Colorado mostly works on new construction and commercial renovation projects.

Pricing

2 projects
< $5k
2 projects
$5k-$20k
2 projects
$20k-$50k
1 project
$50k-$100k
3 projects
$100k-$250k
2 projects
$250k-$500k
3 projects
$500k-$1mil
7 projects
$1mil+
Value Not Public: 16.0 projects
The typical size of their permits is approximately $43,182. 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.

Building Permits by We Oneil Const Co of Colorado

Sort by: Notable Notable | Date Date | Job Value Job Value
B-add/alt misc electrical
2025-03-10
Per tim pate's request the ev panel on this project is not technically associated with the building 1 permit (although they will share a similar address). this permit application will separate the ev panel from the building 1 permit (11431 via varra) and place it under its own standalone permit
Valuation:
N/A
Permit #:
BP-25-00284
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial/indust...
B-add/alt tenant finish
2025-06-24
Tenant finish - restaurant. proposed to re-demise a portion of an existing mall building for a cold dark shell
Valuation:
$1,639,684
Permit #:
BP-25-00325
Status:
issued
Fee:
$50,041
Permit Type:
N/A
Building Type:
Commercial/indust...
B-new construction business
2025-08-26
Addition and partial demolition of building. remodel of existing building. shell to accommodate future retail/commercial tenant
Valuation:
$5,595,000
Permit #:
BP-25-03354
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial/indust...
Sanitary sewer lift station & fence (1 plan 2 permits)
Valuation:
$480,000
Permit #:
P84795
Status:
filed
Fee:
$2,234
Permit Type:
325 (new public s...
Building Type:
N/A
B-add/alt structural repair
2025-09-23
The proposed work consists of structural foundation repairs to existing caissons at flatiron crossing mall (areas 1?4). repairs include replacement of deteriorated grout pads and anchor bolts installation of new reinforced concrete caisson caps epoxy crack injection cfrp wrapping and corrosion protection measures
Valuation:
$2,000
Permit #:
BP-25-03467
Status:
issued
Fee:
$111
Permit Type:
N/A
Building Type:
Commercial/indust...
Building Permit
2025-02-10
Buildingonline | s79 remodel 3a 3b and 2468
Valuation:
$821,291
Permit #:
1871663
Status:
issued
Fee:
$7,800
Permit Type:
Tenant improvement
Building Type:
N/A
Commercial alteration remodel renovation
2025-10-30
Tenant improvement of new hvac unit
Valuation:
$967,986
Permit #:
25-0191
Status:
final
Fee:
$21,646
Permit Type:
N/A
Building Type:
N/A
New commercial building (conditioned)
Valuation:
$15,340,810
Permit #:
P70482
Status:
filed
Fee:
$45,707
Permit Type:
327 (stores and o...
Building Type:
N/A
B-add/alt structural repair
2025-01-16
Structural repairs at two escalator locations plus an existing pier location. interior mall work caisson structural repair w tenant finish. escalator pit lowering due to soil swelling
Valuation:
$624,915
Permit #:
BP-24-02732
Status:
issued
Fee:
$16,794
Permit Type:
N/A
Building Type:
Residential singl...
B-add/alt miscellaneous
2025-10-02
Fencing and gates around amphitheater
Valuation:
$243,844
Permit #:
BP-25-00806
Status:
complete
Fee:
$6,860
Permit Type:
N/A
Building Type:
Commercial/indust...
Commercial interior remodel
Valuation:
$250,000
Permit #:
P78579
Status:
filed
Fee:
$1,314
Permit Type:
437 (commercial a...
Building Type:
N/A
Multi-family dwelling - remodel
2024-05-08
Mechanical renovation upgrading sorority house hvac system from steam radiant heating to all-electric heat recovery variable refrigerant flow (vrf) system. all existing mechanical equipment (boilers radiators etc.) to remain in place. all spaces are existing to remain unchanged; structural modifications may be required to accommodate roof-mounted equipment; there are no architectural ... see more
Valuation:
N/A
Permit #:
BLD-MFD2022-00035
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
2024-01-26
Buildingonline|marketplace tower ii-11th/12th floor move out|scope of work includes:mechanical|electrical| architectural
Valuation:
$177,562
Permit #:
1778093
Status:
issued
Fee:
$367
Permit Type:
Partial demolitio...
Building Type:
N/A
B-add/alt miscellaneous
2023-08-07
Partial demolition of existing commercial building to accommodate future site work
Valuation:
$313,579
Permit #:
BP-23-01327
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
B-new construction apartments/condos
2022-03-24
New 5-story 216 unit apartment building with ground floor clubhouse and tenant amenities
Valuation:
$42,711,378
Permit #:
BP-22-01113
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Multi-family
New commercial building (conditioned)
Valuation:
$4,273,452
Permit #:
P18011
Status:
final
Fee:
$13,502
Permit Type:
326 (new schools ...
Building Type:
N/A
B-new construction apartments/condos
2022-03-24
New 2-story 3 unit carriage-style apartment townhomes with 6 garage stalls below units
Valuation:
$814,834
Permit #:
BP-22-01108
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Multi-family
B-new construction apartments/condos
2022-03-24
New 2-story 3 unit carriage-style apartment townhomes with 6 garage stalls below units
Valuation:
$814,834
Permit #:
BP-22-01104
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Multi-family
Commercial interior remodel
Valuation:
$7,500,000
Permit #:
P49101
Status:
final
Fee:
$23,564
Permit Type:
437 (commercial a...
Building Type:
N/A
Commercial interior remodel
Valuation:
$1,650,000
Permit #:
P36157
Status:
final
Fee:
$6,014
Permit Type:
437 (commercial a...
Building Type:
N/A

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