Updated: Dec 30, 2025
Location and Projects
Address
Phoenix, AZ, 85021
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Olson Bros Construction Co LLC
Serving the Phoenix, Arizona area, Olson Bros Construction Co LLC brings over two decades of experience to residential and commercial construction projects. The company specializes in building and remodeling services, including new home construction, room additions, and renovations for both single-family homes and commercial spaces. Olson Bros Construction Co LLC manages projects throughout the greater Phoenix region, assisting property owners with navigating every phase of construction — from initial planning through completion. With 22 years in the industry, their portfolio demonstrates experience handling a variety of project types and responding to the particular needs of Arizona properties. The firm works with clients to ensure that each build or renovation aligns with local building codes and the specifications required for long-term durability in the desert climate.
Olson Bros Construction Co LLC Services
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Olson Bros Construction Co LLC Contact Information
Phone Number: (602) 625-8868
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Olson Bros Construction Co LLC Phoenix
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Olson Bros Construction Co LLC has a BuildZoom score of 102, which places them above 89% of 71,576 contractors in Arizona.
Activity
|
4 projects
|
2025 |
|
5 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Olson Bros Construction Co LLC has worked on at least
11.0 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
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Olson Bros Construction Co LLC mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $9,000. 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.
Olson Bros Construction Co LLC Reviews
5 out of 5 stars, based on
1
review
-
By NcFebruary 10, 2017Build outside 12 foot fence$1,0001 day
Building Permits by Olson Bros Construction Co LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Effective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018 phx fire code scope: new detached adu - 600 s.f construction type: frame roofing: asphalt shingles energy code: prescriptive existing water meter: 3/4” fixture units: over 21.0 water meter required: existing 3/4 meets requirement. finished floor elevations are grandfathered in to ... see more
Valuation:
$50,000
Permit #:
CTR-102504474
Status:
final
Fee:
$1,319
Permit Type:
Accessory dwellin...
Building Type:
Single family
Effective building codes: 2024 ibc 2024 irc 2024 imc 2024 ipc 2024 upc 2024 ifgc 2024 ispsc 2023 nec 2018 phx fire code description: detached 320 sf adu construction type: frame/stucco roofing: asphalt shingles water meter: 5/8” required 3/4 fixture units: 23 sewer: city hillside: no flood plain: no finishd floor elev: must comply with 2024 irc r4041.6 *** height above finished grade.... see more
Valuation:
$50,000
Permit #:
CTR-102509534
Status:
issued
Fee:
$1,252
Permit Type:
Accessory dwellin...
Building Type:
Single family
New two-car garage laundry room and office addition effective building codes: 2018 irc 2018 ibc 2017 nec const type: frame roofing: asphalt shingle utility: aps fence: n/a finished floor elev: match existing* hillside: no floodplain: no post-tension slab: no reviewer(s): zoning: tjoha res: msimp special inspections per ibc 1704: n/a *finished floor elevations are grandfathered in to m... see more
Valuation:
$50,000
Permit #:
CTR-102406745
Status:
final
Fee:
$1,102
Permit Type:
Addition only
Building Type:
Single family
Revision to approved plan ctr-102406745 to addition gas work to scope: replace ~16 lf of glavanized metallic gas pipe from meter to house and addition new 200k btu gas water heater effective codes: 2018 irc reviewer: msimp note: permit holder must conduct gas test with gauge that reads in 1/10lb. increments test results must be verified by inspector
Valuation:
$6,000
Permit #:
RVSN-102406745-01
Status:
issued
Fee:
$300
Permit Type:
Revision to appro...
Building Type:
Single family
Effective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018 phx fire code zoning: re-24 zoning variance: no hillside: no site reviewer: kschn residential reviewer: lkoll letters of encroachment: no description of work: installation of 100’ linear feet x 6’ of block wall fence per approved site plan. (no other work allowed) ****************... see more
Valuation:
$9,000
Permit #:
CTR-102402345
Status:
issued
Fee:
$222
Permit Type:
Fence and or reta...
Building Type:
Single family
One inspection only for completion of work started under permit rsme 99018932 date of last passed valid work inspection: 06-oct-1999 title of last passed valid work inspection: rough plumbing original description of work: remodel existing carport into family room addition of laundry room addition of dining room also addition of 447 sqft carport and 534 sqft covered patio *installation... see more
Valuation:
N/A
Permit #:
CTR-102307907
Status:
issued
Fee:
$150
Permit Type:
Addition and remodel
Building Type:
Single family
Effective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018 phx fire code description of work: new electrical panel and meter installation 200 amp on detached garage reviewer: glimo contact your electric service provider to verify any additional panel requirements
Valuation:
$2,500
Permit #:
CTR-102406443
Status:
issued
Fee:
$168
Permit Type:
Service upgrade -...
Building Type:
Single family
Effective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018 phx fire code revision # 01 revision to approved permit ctr-102306481 new meter and panel section relocation to detached garage and installation of new 100 amp subpanel for adu
Valuation:
$2,500
Permit #:
CTR-102406435
Status:
issued
Fee:
$300
Permit Type:
Revision to appro...
Building Type:
Single family
Ffective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018 phx fire code water meter: existing to remain building supply: existing to remain fixture units: n/a description of work: conversion existing carport into a garage and existing front porch into office per approved site plan all work subject to field inspector's approval finished fl... see more
Valuation:
N/A
Permit #:
CTR-102307884
Status:
final
Fee:
$560
Permit Type:
Remodel - with ex...
Building Type:
Single family
Office addition to home per plans. field to verify conditions and window framing rpbi: this project is being reviewed and permitted under the residential permit by inspector (rpbi) program. additional plans and specifications may be required by the field inspector as deemed necessary. the owner or owner’s representative must schedule a job site meeting with the inspector and be pres... see more
Valuation:
N/A
Permit #:
CTR-102309784
Status:
final
Fee:
$733
Permit Type:
Addition only
Building Type:
Single family
Master bedroom bathroom and patio addition. description of work: 360 sf bedroom closet + 525 sf patio at rear addition with 150 sf remodel bathroom to existing single family residence per approved plans. other approvals:(xx)no **smoke alarms are required per irc r314 for all new construction/additions or alterations that require a permit & carbon monoxide alarms are required for new/... see more
Valuation:
$60,000
Permit #:
CTR-102204949
Status:
expired
Fee:
$1,143
Permit Type:
Addition and remodel
Building Type:
Single family
No Description Available
Valuation:
$6,000
Permit #:
QPR-202406055
Status:
canceled
Fee:
N/A
Permit Type:
Repairs replacements
Building Type:
Single family
Temp power
Valuation:
N/A
Permit #:
RE-21044162
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel of existing residence effective building codes:2012 irc 2012 iecc 2012 ibc 2011 nec 2012 imc 2012 upc or 2012 ipc 2012 ifc 2012 ifgc log number:rprm 15621 construction type:(x)frame energy code:(x)prescriptive water meter:existing livable s.f.- 1st floor:517 patio s.f.:635 remodel area(s) s.f.: 1100 zoning:r1-10 zoning: res: struct: esy description of work: residential additio... see more
Valuation:
$164,592
Permit #:
RSME-15030870
Status:
final
Fee:
$1,356
Permit Type:
N/A
Building Type:
Addition. & alter...
Addition to existing residence effective building codes:2012 irc 2012 iecc 2012 ibc 2011 nec 2012 imc 2012 ipc 2012 ifc 2012 ifgc construction type:(xx)frame roofing: existing foam addition modified bitumen energy code:(xx)prescriptive water meter: existing 5/8 fixture units: 18.4 wra: 2 livable s.f.- 1st floor: addition of 336 remodel area(s) s.f.: 395 fire sprinklers:(xx)no()yes fen... see more
Valuation:
$54,834
Permit #:
RSME-15009589
Status:
final
Fee:
$1,055
Permit Type:
N/A
Building Type:
Addition. & alter...
Addition to existing residence effective building codes:2012 irc 2012 iecc 2012 ibc 2011 nec 2012 imc 2012 upc or 2012 ipc 2012 ifc 2012 ifgc construction type:(x)frame()masonry()other: roofing: asphalt shingles energy code:(x)prescriptive water meter: 5/8 existing 3/4 required building supply: 1 fixture units: 22.2 wra: 1 livable s.f.- 1st floor: 320 fire sprinklers:(x)no fence:(x)no... see more
Valuation:
$35,520
Permit #:
RSME-17003633
Status:
final
Fee:
$1,289
Permit Type:
N/A
Building Type:
Addition. & alter...
Addition & remodel
Valuation:
$164,592
Permit #:
RSME-15030870
Status:
final
Fee:
$1,356
Permit Type:
N/A
Building Type:
Addition. & alter...
Room addition
Valuation:
$77,700
Permit #:
RSME-15006949
Status:
final
Fee:
$2,071
Permit Type:
N/A
Building Type:
Addition. & alter...
Create master suite off bedroom 1
Valuation:
$35,520
Permit #:
RSME-17003633
Status:
final
Fee:
$1,289
Permit Type:
N/A
Building Type:
Addition. & alter...
Addition studio remod mstr addition closet & tub
Valuation:
$54,834
Permit #:
RSME-15009589
Status:
final
Fee:
$1,055
Permit Type:
N/A
Building Type:
Addition. & alter...
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BZ Score
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BZ Score
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Projects
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BZ Score
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Projects
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Olson Bros Construction Co LLC License info
Verified License
| License # | 198146 |
| Status | Active |
| State | Arizona |
| Type | General Residential |
| Business Type | Llc |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Olson Bros Construction Co LLC at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 275122 |
| Status | Inactive |
| State | Arizona |
| Type | General Commercial |
| Business Type | Llc |
- According to the Arizona Registrar of Contractors, 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 Olson Bros Construction Co LLC at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
34
Permits
- Building permit records show that Olson Bros Construction Co LLC has worked on 34 permitted projects.
Olson Bros Construction Co LLC Employees
MO
Mark Lee Olson
Qualifying Party
OL
Olson Mark Lee
Qualifying Party
Mark Olson and his team Jeff and Ernie installed a fence for me! WOW, Mark has been doing this for 45 years and his attention to detail along with his team was crème de la crème--THE BEST!!! If you are looking for an excellent company, I highly recommend Olson Bros Construction Co LLC. The price was extremely reasonable, and Mark and his team went above and beyond. I am so happy with the work they performed, I can't say enough. If I could give this company 10 stars, I would. Thanks Mark, Jeff and Ernie for superior work!