Updated: Jun 02, 2026
Location and Projects
Address
312 N May St, Chicago, IL, 60607
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Oslo Builders Construction
Oslo Builders LLC, 312 N May St, Chicago, IL holds a General Contractor (Class A) license and 4 other licenses according to the City of Chicago license board.
Their BuildZoom score of 106 ranks in the top 7% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Oslo Builders LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Oslo Builders LLC Services
Start a project today:
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Boiler/Water Heater
Fire Sprinkler Systems
Gas and Piping
Sewer Laterals
Septic Tanks and Systems
Plumbing
ADU
Whole Home Remodel
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Single Room Remodel
Oslo Builders LLC Contact Information
Phone Number: (312) 805-6858
Address: 312 N May St, Chicago, IL 60607
Oslo Builders LLC Chicago
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Oslo Builders LLC has a BuildZoom score of 106, which places them above 93% of 65,686 contractors in Illinois.
Activity
|
13 projects
|
2025 |
|
4 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Oslo Builders LLC has worked on at least
28.0 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
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Oslo Builders LLC mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
5 projects
|
$1mil+ |
The typical size of their permits is approximately $301,000. 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.
Self-cert 2019 cbrc: interior office fit-out to entire second floor (10 154 sf) at 217 n. jefferson st (occupancy b-business; type 3a construction 6-story building of approximately 75 feet in height). single tenant floor. work includes demolition of non-structural items non-bearing partitions finishes mechanical electrical plumbing fire alarm and fire protection systems. no structural... see more
Valuation:
$1,250,000
Permit #:
101066722
Status:
issued
Fee:
$4,637
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: alterations to existing 2 story + basement single residence building and attached garage containing 2 car parking spaces. includes new skylights addition of new bay window alteration of windows and window openings interior room layout and framing lowered basement slab. relocation of car parking spaces and garage door opening removal of lower front door site work. ... see more
Valuation:
$5,000,000
Permit #:
101055999
Status:
issued
Fee:
$4,341
Permit Type:
N/A
Building Type:
N/A
Self-cert: interior alterations to 3rd floor lobby and spec suite (3rd floor front). work to include demolish new partitions mechanical electrical and plumbing as per plans. 3a construction b-business occupancy
Valuation:
$250,000
Permit #:
101066462
Status:
issued
Fee:
$1,773
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc interior alterations to include deconversion from 17 to 16 units in an existing apartment to convert unit into a gym for tenants in an existing high-rise residential apartment building. a-3 fitness center ia construction per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$352,000
Permit #:
101043770
Status:
complete
Fee:
$2,375
Permit Type:
N/A
Building Type:
N/A
**************interior non-structural demolition only ********** demolition of non load bearing partitions finishes mep equipment/materials on all floors of existing 6 story vacant building as per plans. originally occupied as a bank/banking offices the building has been vacant since the early 2000s. no change of occupancy is planned under this permit
Valuation:
$1,000,000
Permit #:
101012851
Status:
complete
Fee:
$4,816
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: interior renovation of existing 3-story single family home with window and skylight replacements and removal of exterior stair as per plans (occupancy group r-5; type iii-b construction)
Valuation:
$400,000
Permit #:
101050842
Status:
complete
Fee:
$1,394
Permit Type:
N/A
Building Type:
N/A
Dds 2019 cbrc: non-structural renovation of 8th floor of existing 47-story residential building. eliminate 6 dwelling units to expand amenity space with associated mep/fp modifications. (occ groups: r-2 a-3 b; const type i-a) consultant reviewer: v3 engineering
Valuation:
$1,660,000
Permit #:
101045923
Status:
suspended
Fee:
$5,979
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbc: interior alterations to existing ground floor retail tenant space for new retail store with coffee shop as per plans (occupancy m type iiib construction)
Valuation:
$200,000
Permit #:
101072518
Status:
issued
Fee:
$1,825
Permit Type:
N/A
Building Type:
N/A
Self-certification project for the restoration pf the existing coach house due to fire damage. work to include structural reinforcement and new structural work and renovation of the existing space as per plans. no work to the main front building to be done under this permit. demolish work issued under permit no. 100982736
Valuation:
$400,000
Permit #:
100987075
Status:
complete
Fee:
$815
Permit Type:
N/A
Building Type:
N/A
Dds 2019 cbrc: interior renovation at an existing 3 story office cultural exhibit and banquet hall building to include alterations to the 2nd floor office use to convert to a new banquet hall space with upgrades to mechanical and electrical systems and a new fire alarm system. minor demolish and alterations to 1st floor restrooms as per plans. use: a-2 assembly. construction type: 1a ... see more
Valuation:
$350,000
Permit #:
100956299
Status:
expired
Fee:
$13,182
Permit Type:
N/A
Building Type:
N/A
Self certification 2019 cbrc: interior renovation of existing 3-story single family home with window and skylight replacements and removal of exterior stair as per plans (occupancy group r-5; type iii-b construction)
Valuation:
$400,000
Permit #:
101039192
Status:
issued
Fee:
$1,064
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: interior improvements to a single 3 066 sf office tenant space within existing mixed-use commercial building. reconfiguration of interior partitions only. (occupancy group b construction type ii-b (no changes). no plumbing in scope
Valuation:
$250,000
Permit #:
100980708
Status:
expired
Fee:
$1,056
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbc: restroom interior renovation of (6) existing restrooms (floors 1-2-3). existing business occupancy with selective demolition all new finishes and lighting (lighting to be replaced in same location). plumbing fixtures to be replaced one-to-one in existing locations with no modificatoins to room occupanices or egress. mechanical grilles and sprinkler heads to be repl... see more
Valuation:
$250,000
Permit #:
100979074
Status:
complete
Fee:
$1,575
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc: exterior alterations to existing residential building to include new stone cladding new door installation of new canopy at main entrance (occupancy a2 type ia construction)
Valuation:
$1,500,000
Permit #:
101010612
Status:
suspended
Fee:
$1,675
Permit Type:
N/A
Building Type:
N/A
Interior and exterior alterations to existing 3 story type iiia building with existing bank occupying a portion of the first floor. convert existing vacant office space on 2nd and 3rd floor to 2 residential dwelling units. landlord/base building work to vacant 1st floor tenant space to prepare space for buildout under separate permit. no work in existing bank space to remain
Valuation:
$350,000
Permit #:
100979724
Status:
issued
Fee:
$11,861
Permit Type:
N/A
Building Type:
N/A
2019 spr: construction of a 1-story 2-car masonry garage serving single-family residence as per plans. (occupancy r-5 construction type 3a)
Valuation:
$6,500
Permit #:
101063587
Status:
issued
Fee:
$675
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc alterations for addition of wheelchair lift to fairbanks lobby and reconfiguration of 1st floor exit corridor.new and existing occupancy groups m mercantile b office and a2 tavern: type 1a construction per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$96,000
Permit #:
101015748
Status:
suspended
Fee:
$1,675
Permit Type:
N/A
Building Type:
N/A
Occupancy change to museum occupancy (a-3) of 1st floor of this 2-story type iv (heavy timber) building. conversion of ground floor occupancy to be verified by fire/dob to be no more than 140 persons. de-converting large single-family residence to create separated occupancies with 2nd floor remaining r-2. renovating 1st floor from residential garage & storage space on first floor to a... see more
Valuation:
$480,000
Permit #:
100905246
Status:
issued
Fee:
$5,116
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: interior alterations of an existing historic two-story coach house. restoration of exterior facade including window replacement. no changes to extent of exterior walls no change in use. (occupancy group r-5; construction type iiib)
Valuation:
$350,000
Permit #:
100908621
Status:
expired
Fee:
$575
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement of existing tenant space in the south arcade of navy pier. no change to head house or east terminal building. install plumbing and millwork
Valuation:
$50,000
Permit #:
B200008984
Status:
issued
Fee:
$575
Permit Type:
Nonstructural int...
Building Type:
N/A
Oslo Builders LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Oslo Builders LLC License info
Verified License
| License # | TGC093323 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class A) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Oslo Builders LLC at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | General With Trades |
- According to the Cook County Department of Building and Zoning, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F218777-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Oslo Builders LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | A All Projects No Restrictions |
- According to the City of Chicago Data Portal, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | A All Projects No Restrictions |
- According to the City of Chicago Data Portal, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
73
Permits
- Building permit records show that Oslo Builders LLC has worked on 73 permitted projects.