Updated: May 14, 2026
Location and Projects
Address
23400 PARK ST, Excelsior, MN, 55331
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CN Ostrom and Son Construction
CN Ostrom and Son Inc at 23400 PARK ST, Excelsior, MN 55331, held a General Contractor license (#BC001907) with the Minnesota contractors license board with an expiration date of 03-31-2022. We last verified the license was expired on 05-13-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 77,973 Minnesota contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
CN Ostrom and Son Inc Services
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CN Ostrom and Son Inc Contact Information
Phone Number: (952) 470-1693
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Address: 23400 PARK ST, Excelsior, MN 55331
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CN Ostrom and Son Inc Excelsior
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are CN Ostrom and Son Inc, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
Our building permit records indicate that CN Ostrom and Son Inc has worked on at least
1.0 project over the past year.
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.
Pricing
|
1 project
|
< $5k |
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 CN Ostrom and Son Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
$19,000
Permit #:
SL066326
Status:
final
Fee:
N/A
Permit Type:
Addition residential
Building Type:
N/A
Replace garage floor building 2x4 walls in garage perimeter foam insulate drywall
Valuation:
N/A
Permit #:
NH057010
Status:
final
Fee:
$616
Permit Type:
Single family
Building Type:
N/A
No Description Available
Valuation:
$4,000
Permit #:
25-3279
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install garage floor
Valuation:
$22,500
Permit #:
GV086743
Status:
final
Fee:
$644
Permit Type:
Garage
Building Type:
N/A
New construction
Valuation:
N/A
Permit #:
GV081438
Status:
final
Fee:
$300
Permit Type:
Stormwater manage...
Building Type:
N/A
Residential
*irc1-r/r partial finish of basement for family bathroom and storage rooms repl 3 windows at single family dwelling (jag # 1) perimeter energy with spray foam (handout) per designer. separate permits are required for electrical plumbing and heating/air conditioning/ventilation work. carbon monoxide alarms required in accordance with mn. stat. 299f.50 irc 313.2.1. when interior alterat... see more
Valuation:
$35,000
Permit #:
BLDG77172
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family house
Commercial
R3/rem kitchen and bathroom remodel of a duplex kitchen: demolish existing non-load bearing wall between the kitchen and bedroon area - 8'0 long install 2 - 1 3/4 x 9 1/2 microlam - 8 long existing bedroom is now converted to dining room. install new cabinet and snacks bars. bathroom remove existing bathroom fixtures and replace with new ones install new ceramic tiles flooring install... see more
Valuation:
$48,000
Permit #:
BLDG253206
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Duplex
Commercial
R3/rem kitchen remodel to single family dwelling including installation of (2) 9.5 lvl at new 7.5 opening. (dmh#2) gut interior and install insulation vapor barrier on exterior wall where required and drywall walls and ceiling. replace large sliding patio door with new in existing opening. separate permits are required for electrical plumbing and heating/air conditioning/ventilation w... see more
Valuation:
$22,000
Permit #:
BLDG215676
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family house
Addition (22'x19'5") on crawl sp/new deck (8'x7.45') w/ramp (16')
Valuation:
$84,000
Permit #:
GV081513
Status:
final
Fee:
$1,589
Permit Type:
Main structure
Building Type:
N/A
Residential
Int/ext bathroom remodel window french doors ll#1 all interior and exterior work to be completed within one year of permit issuance per minneapolis city ordinance section 89.165. when the valuation of an addition alteration or repair to a dwelling exceeds $1, 000 and a permit is required or when one or more sleeping rooms are added or created smoke detection shall be installed: a. on... see more
Valuation:
$12,000
Permit #:
BLDG57034
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family house
Commercial
R3/rem remodel work of existing kitchen of a single family dwelling. aaa #2. remove non load and load bearing walls in kitchen area and install 9 1/2 microlam beams. install new sheet rock - patching around newly install beams. relocate existing kitchen sink remove vinyl floor and install hard wood floor remove existing kitchen cabinets and counter tops and install new ones. see plan ... see more
Valuation:
$9,000
Permit #:
BLDG212418
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family house
Install thin veneer stone on porch & column basees and garage hand frame 2 non structural garages on
Valuation:
$12,800
Permit #:
MI213595
Status:
final
Fee:
$415
Permit Type:
Single family
Building Type:
N/A
Commercial
R3/rem non-structural remodel to 2nd floor bathroom. gut existing and install (dmh) insulation vapor barrier (where necessary) and drywall. install glass block window in existing opening. install mechanical. ventilation. applicant has plan. no plan kept. separate permits are required for electrical plumbing and heating/air conditioning/ventilation work. this work must be completed by ... see more
Valuation:
$4,500
Permit #:
BLDG217286
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family house
Plans attached 12 6 x 15 laundry room addition over unheated lawn storage 12 x 20 6 garage stall misc. interior alterations foundation insp reqd for rebar before pouring special insp for receipt of piling installers report
Valuation:
N/A
Permit #:
P20014616
Status:
issued
Fee:
$1,352
Permit Type:
N/A
Building Type:
N/A
Open wall on 1st fl, install bathroom on 2nd fl
Valuation:
$21,500
Permit #:
SL256333
Status:
final
Fee:
$530
Permit Type:
Alteration Reside...
Building Type:
N/A
Remove 1 non-bearing wall/3 bumpout into garage
Valuation:
$7,500
Permit #:
EP127415
Status:
final
Fee:
$372
Permit Type:
Sfd/remodel
Building Type:
N/A
Addition (13'6x16') shell/ftg/frame/insul/roof/siding
Valuation:
$41,000
Permit #:
GV061620
Status:
final
Fee:
$990
Permit Type:
Main structure
Building Type:
N/A
Remove 1 wall/3 news windows/1 patio door/open 1 wall section
Valuation:
$7,500
Permit #:
EP138952
Status:
final
Fee:
$372
Permit Type:
Sfd/remodel
Building Type:
N/A
Kitchen remodel
Valuation:
$1,000
Permit #:
EP128650
Status:
final
Fee:
$102
Permit Type:
Sfd/remodel
Building Type:
N/A
Partial finish of basement for family bathroom and storage rooms repl 3 windows at single family dwelling (jag # 1)
Valuation:
$35,000
Permit #:
3076738
Status:
Done
Fee:
$905
Permit Type:
Bire
Building Type:
Single family det...
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CN Ostrom and Son Inc Reviews
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CN Ostrom and Son Inc License info
Inactive License
| License # | BC001907 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Contractors |
| Business Type | Corporation |
- According to the Minnesota Department of Labor & Industry, 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 CN Ostrom and Son Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1907 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Building Contr |
| Business Type | Corporation |
- According to the Minnesota Department of Labor & Industry, 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 CN Ostrom and Son Inc at the Minnesota Department of Labor & Industry.
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 CN Ostrom and Son Inc, click “This is My Business” to update your information.
72
Permits
- Building permit records show that CN Ostrom and Son Inc has worked on 72 permitted projects.
CN Ostrom and Son Inc Employees
KO
Kathleen A. Ostrom