Updated: Apr 05, 2026
Location and Projects
Address
2308 W Tanya Trl, Phoenix, AZ, 85086
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Gregory Karl Koons Construction
Serving the Phoenix, Arizona area for over three decades, Gregory Karl Koons brings 32 years of experience to residential and commercial construction projects. Operating in the Greater Phoenix region, Koons has worked on a variety of projects that encompass both new construction and property improvements. With expertise spanning general contracting, he manages aspects ranging from project planning to site coordination. Clients in Phoenix and nearby communities rely on Koons for his longstanding presence in the local construction landscape, as well as his familiarity with regional building codes and practices. His portfolio includes both interior and exterior work for homes and businesses. Gregory Karl Koons continues to provide construction services tailored to the needs of property owners throughout Phoenix, drawing on decades of practical knowledge in the field.
Gregory Karl Koons Services
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Gregory Karl Koons Contact Information
Phone Number: (602) 540-9446
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Address: 2308 W Tanya Trl, Phoenix, AZ 85086
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Gregory Karl Koons Phoenix
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gregory Karl Koons has a BuildZoom score of 96, which places them above 80% of 71,576 contractors in Arizona.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Gregory Karl Koons 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
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.
Bathroom & closet addition + rebuild patio
Valuation:
$30,321
Permit #:
RSME-17033667
Status:
final
Fee:
$798
Permit Type:
N/A
Building Type:
Addition. & alter...
Partial interior demolition
Valuation:
$11,700
Permit #:
RDEM-18016701
Status:
final
Fee:
$700
Permit Type:
N/A
Building Type:
Residence. Demoli...
Michael alexander salon-ste 110-ti
Valuation:
$75,000
Permit #:
BLSC-15002399
Status:
final
Fee:
$876
Permit Type:
N/A
Building Type:
Office banks & pr...
New addition to bedroom
Valuation:
$18,800
Permit #:
RSE-14020046
Status:
final
Fee:
$606
Permit Type:
N/A
Building Type:
Addition. & alter...
400 amp upgrade per engineered plan
Valuation:
$3,850
Permit #:
RE-14023160
Status:
final
Fee:
$177
Permit Type:
N/A
Building Type:
Residential non s...
Bathroom room expantion
Valuation:
$7,600
Permit #:
RSME-16004333
Status:
final
Fee:
$426
Permit Type:
N/A
Building Type:
Addition. & alter...
Addition and remodel
Valuation:
$140,291
Permit #:
RSME-12005530
Status:
final
Fee:
$1,914
Permit Type:
N/A
Building Type:
Addition. & alter...
Gas clearance only effective building codes: 2012 irc 2012 iecc 2012 ibc 2011 nec 2012 imc 2012 upc or 2012 ipc 2012 ifc 2012 ifgc pressure test required per uniform plumbing code 1204.3.2. test to remain on system until verified by city inspector zoning:.........pad-2 reviewer:.......omu description of work: gas test for clearance to reset meter
Valuation:
N/A
Permit #:
RNSP-16003705
Status:
final
Fee:
$150
Permit Type:
N/A
Building Type:
Residential non s...
Install (2) portable 23.5 gallon above ground propane tanks and run line to gas range in kitchen
Valuation:
N/A
Permit #:
B201605867
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
741 sq/ft livable addition
Valuation:
$103,740
Permit #:
RSME-08025015
Status:
final
Fee:
$1,707
Permit Type:
N/A
Building Type:
Addition. & alter...
Lot 48 standard residence
Valuation:
$218,009
Permit #:
RSF-10017342
Status:
final
Fee:
$3,948
Permit Type:
N/A
Building Type:
Single family det...
Garage addition
Valuation:
$20,000
Permit #:
15-881/000 000 BGAR 00
Status:
complete
Fee:
$950
Permit Type:
Carports - commer...
Building Type:
Planned area deve...
256 sf garage + 554 sf lvbl to east side
Valuation:
$38,071
Permit #:
RSME-08003177
Status:
final
Fee:
$350
Permit Type:
N/A
Building Type:
Addition. & alter...
Residence addition
Valuation:
$50,000
Permit #:
RSME-99014512
Status:
final
Fee:
$538
Permit Type:
N/A
Building Type:
Addition. & alter...
Residential addition remodel
Valuation:
$43,983
Permit #:
RSME-03018939
Status:
final
Fee:
$445
Permit Type:
N/A
Building Type:
Addition. & alter...
Lot 14
Valuation:
$6,000
Permit #:
RSE-04010036
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Addition. & alter...
Convert carport to garage
Valuation:
$6,000
Permit #:
RSE-04010035
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Addition. & alter...
Convert carport to garage
Valuation:
$6,000
Permit #:
RSE-04010034
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Addition. & alter...
Convert carport to garage
Valuation:
$6,000
Permit #:
RSE-04010033
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Addition. & alter...
Lot# 13
Valuation:
$25,000
Permit #:
RSME-01011758
Status:
final
Fee:
$325
Permit Type:
N/A
Building Type:
Addition. & alter...
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Projects
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Gregory Karl Koons License info
Verified License
| License # | 280346 |
| Status | Active |
| State | Arizona |
| Type | General Commercial |
| Business Type | Sole Proprietorship |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Gregory Karl Koons at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 123284 |
| Status | Active |
| State | Arizona |
| Type | General Residential |
| Business Type | Sole Proprietorship |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Gregory Karl Koons at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 123284 |
| Status | Active |
| State | Arizona |
| Type | General Residential Contractor |
| Business Type | Sole Proprietorship |
- When BuildZoom last verified this license, it had an expiration date of April, 2011. Check the current license status of Gregory Karl Koons with the Arizona Registrar of Contractors
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Hartford Fire Insurance Co |
| Bond Value | $5,000 |
31
Permits
- Building permit records show that Gregory Karl Koons has worked on 31 permitted projects.
Gregory Karl Koons Employees
GK
Greg Karl Koons
Qualifying Party
GK
Greg Koons
Qualifying Party
GK
Gregory Karl Koons
Qp/Owner
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Gregory Koons
Owner