Updated: Jun 02, 2026
Location and Projects
Address
3812 Beechwood Ln, Johnstown, CO, 80534
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Irwin Bros Construction Plumber
Irwin Bros Construction, LLC, 3812 Beechwood Ln, Johnstown, CO (Owned by: Brett Irwin) holds a Plumbing Contractor license and 6 other licenses according to the Colorado license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Irwin Bros Construction, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Irwin Bros Construction, LLC Services
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Irwin Bros Construction, LLC Contact Information
Phone Number: (720) 626-7086
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Address: 3812 Beechwood Ln, Johnstown, CO 80534
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Building Permits by Irwin Bros Construction, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
5180 sf two story new single family dwelling on 3564 unfinished basement w 1471 sf attached garage - two 0-clearance fireplaces - 800 sf covered patio 180 sf uncovered patio and 400 sf covered porch - stucco w lap siding and brick veneer exterior 03/03/2020 - amend permit to addition an lp fireplace to the master bedroom - heathglo mezzo48-stc 03/10/2020 - reviewed and approved to ame... see more
Valuation:
$703,888
Permit #:
RSN19-0201
Status:
final
Fee:
$11,089
Permit Type:
N/A
Building Type:
N/A
3217 sf two story new single family dwelling on 2686 sf crawlspace w/927 sf attached garage - 12x90 uncovered patio & 8x8 uncovered porch - includes one 0-clearance fireplace and air conditioning - wood frame w/siding
Valuation:
$426,835
Permit #:
RSN19-0025
Status:
final
Fee:
$8,345
Permit Type:
N/A
Building Type:
N/A
3378 sf new single family dwelling on slab w/890 sf attached garage w/813 sf finished bonus room above - 30x30 covered patio and 6x28 covered porch - includes air conditioning and one 0-clearance fireplace - wood frame w/shake siding and manufactured stone veneer
Valuation:
$437,810
Permit #:
RSN19-0011
Status:
final
Fee:
$8,634
Permit Type:
N/A
Building Type:
N/A
6037 sf two story wood frame addition on 2623 sf finished 1151 sf unfinished basement and 57 sf crawlspace w 984 sf attached garage to existing dwelling built in 2001 - for mudroom one full bathroom one 1/2 bathroom dining kitchen master bedroom exercise room two laundry rooms theater and mechanical/storage room - 20x20 covered patio 8x120 uncovered deck and 10x10 covered porch - two ... see more
Valuation:
$815,842
Permit #:
RSA18-0527
Status:
final
Fee:
$9,923
Permit Type:
N/A
Building Type:
N/A
9800 sf wood frame detached garage on slab - no utilities - for storage 7.26.19 request to amend to addition warer service and electrical service for light and outlets 07/29/2019 reviewed and approved the request to amend to addition electrical service for light and outlets and water service for hose bibs. - (lcc) - 6/28/21 permit expiration warning mailed to owner and emailed to appl... see more
Valuation:
$249,900
Permit #:
ASN19-0108
Status:
issued
Fee:
$3,986
Permit Type:
N/A
Building Type:
N/A
Re-permit of expired rsa19-0073 - 44x22 42 500 gallon in ground heated residential swimming pool and 8x10 1 526 gallon heated spa w astm certified automatic safety pool cover - utilities included - fees & one year expiration per tonya 05/16/22 - permit expiration warning mailed to owner and emailed to applicant (mw) 6.22.22 - extension request approved for an additional 180 days (12/1... see more
Valuation:
$55,000
Permit #:
RSA21-0204
Status:
final
Fee:
$639
Permit Type:
N/A
Building Type:
N/A
672 sf pool house on slab - includes changing room lounge 3/4 bathroom - utilities included - wood frame w/stucco
Valuation:
$29,991
Permit #:
ASN19-0016
Status:
final
Fee:
$714
Permit Type:
N/A
Building Type:
N/A
Basement finish with kitchen remodel & fireplace
Valuation:
N/A
Permit #:
BLDG17-5917
Status:
final
Fee:
$2,072
Permit Type:
Interior remodel
Building Type:
N/A
Rough plumbingdrains/vents/pipes (dwv)
Valuation:
N/A
Permit #:
18107452 00000PP
Status:
complete
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
Addition patio with gas line & gazebo
Valuation:
N/A
Permit #:
BPR-007857-2018
Status:
final
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
2019 30x64 champion irc modular home on 1941 sf unfinished walkout basement w/1200 sf attached garage - air conditioning and basement plumbing included for rough in bathroom - 20x20 covered deck & 20x10 covered porch - for principal dwelling -
Valuation:
$226,085
Permit #:
RSN19-0120
Status:
final
Fee:
$5,488
Permit Type:
N/A
Building Type:
N/A
Repermit of expired asn19-0147 - 864 sf wood frame detached garage on wooden column with precast on slab w sink - 32x27 uncovered patio & 32x10 uncovered porch - electrical and water included - built in 2002 w/out permit - fee and six month expiration per tonya -
Valuation:
$38,407
Permit #:
ASN21-0097
Status:
final
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
N/A
Permit #:
BPR-006563-2017
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Plumbing
Valuation:
$12,000
Permit #:
2018-PLUMB-0001546
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Single family res...
No Description Available
Valuation:
N/A
Permit #:
18107452 00000PP
Status:
complete
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
N/A
3000 sf basement finish in dwelling currently under construction - utilities included - for one bedroom one full bathroom rec room exercise room and storage area - septic approval for addition - 2/16/21 permit expiration warning emailed to owner (trj) - 3/5/21 extension request approved for an additional 365 days (3/17/22) (trj)
Valuation:
$73,110
Permit #:
RSA20-0094
Status:
issued
Fee:
$963
Permit Type:
N/A
Building Type:
N/A
2019 30x68 highland prairie view irc modular home on 2040 sf crawlspace - no garage - 20x12 covered front porch - utilities included - for principal dwelling
Valuation:
$182,839
Permit #:
RSN19-0097
Status:
final
Fee:
$5,037
Permit Type:
N/A
Building Type:
N/A
Partial demolition of exterior walls & roof removal of interior trim & drywall - demolition of cross hatched areas of existing dwelling built in 2001 - no utilities - 4/8/19 permit expiration warning mailed to owner and emailed to applicant (trj)
Valuation:
$10,000
Permit #:
DEM18-0049
Status:
final
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
596 sqft - one bed one bathroom family room
Valuation:
$48,000
Permit #:
RES18-00413
Status:
final
Fee:
$1,890
Permit Type:
Basement finish
Building Type:
N/A
Basement finish with 3/4 bathroom flex room and rec room
Valuation:
N/A
Permit #:
BLDG17-7390
Status:
issued
Fee:
$1,278
Permit Type:
Basement finish
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Irwin Bros Construction, LLC License info
License Not Verified
| License # | 3725 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of Irwin Bros Construction, LLC with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3725 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Irwin Bros Construction, LLC at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Plbg A |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1700979 |
| Status | Inactive |
| City | Westminster |
| Type | Plumbing Contractor |
- According to the City of Westminster, Colorado, 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 Irwin Bros Construction, LLC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC7598 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, 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 Irwin Bros Construction, LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC201800021 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Plumbing |
- According to the Thornton City Development Contractor License, 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 Irwin Bros Construction, LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
14
Permits
- Building permit records show that Irwin Bros Construction, LLC has worked on 14 permitted projects.
Irwin Bros Construction, LLC Employees
BI
Brett Irwin
Owner
IL
Irwin Bros Construction, Llc
IL
Irwin Bros Plumbing, Llc