Updated: Feb 25, 2026
Location and Projects
Address
Peoria, AZ, 85381
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Kelso Custom Builders Construction
Kelso Custom Builders Inc, Peoria, AZ (Employee: Mark Elgin Kelso) holds a General Residential license and 2 other licenses according to the Arizona license board.
Their BuildZoom score of 100 ranks in the top 13% of 71,576 Arizona licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Kelso Custom Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Kelso Custom Builders Inc Services
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Kelso Custom Builders Inc Contact Information
Phone Number: (602) 361-2310
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Kelso Custom Builders Inc Peoria
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kelso Custom Builders Inc has a BuildZoom score of 100, which places them above 87% of 71,576 contractors in Arizona.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Kelso Custom Builders Inc 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
|
7 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Kelso Custom Builders Inc mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $92,500. 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.
Building Permits by Kelso Custom Builders Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Effective building codes: 2018 irc 2018 ibc 2017 nec remodel of existing liveable of 3279 sf to include roof vault in living area. addition of 14 sf storage room outside existing footprint *special inspections trt and gas iso deficient and being submitted soon* const type: frame roofing: asphalt shingle water meter: 5/8 existing; 3/4 required building supply: fixture units: 33.9 sewer... see more
Valuation:
$300,000
Permit #:
CTR-102411536
Status:
issued
Fee:
$6,351
Permit Type:
Addition and remodel
Building Type:
Single family
Per inspector rpbi revision for the following: 1. fire block @ drop ceiling in garage 2. install ceiling drywall backing @ bathroom room and fire stop 3. install ceiling drywall backing @ patio 4. no top out 5. revise plan for cooling garage and installing duct work through garage effective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018... see more
Valuation:
$35,000
Permit #:
CTR-102500122
Status:
final
Fee:
$2,588
Permit Type:
Accessory dwellin...
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 work includes: struct elect scope: convert carport 245 s.f. to garage and addition 204 s.f. reviewers: site: mrot 7/14/25 res: mbail 7/14/25 *** all work subject to field inspector's approval *** “finished floor elevations for accessory dwelling units are the respons... see more
Valuation:
$10,000
Permit #:
CTR-102507495
Status:
final
Fee:
$525
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 log number: rprm 2110178 construction type: frame and masonry roofing: asphalt shingles energy code: prescriptive exist. water meter: 5/8” needs to be upgraded to 3/4” building supply: 1-1/4” fixture units: 23 wra: on livable s.f.- 1st floor: 964 2nd floor: n/a porch... see more
Valuation:
$203,130
Permit #:
RPRM 2110178
Status:
final
Fee:
$2,329
Permit Type:
Addition and remodel
Building Type:
Single family
999 square foot livable 250 square foot patio and remodel 99 square foot storage **this project is being reviewed and permitted under the residential permit by inspector (rpbi) program. a limited review was performed on these plans with the remainder of the review to be completed in the field by the inspector. additional plans or information may need to be provided to the field insp... see more
Valuation:
$135,000
Permit #:
CTR-102203140
Status:
final
Fee:
$1,834
Permit Type:
Addition and remodel
Building Type:
Single family
Description of work: 480 sf detached non-livable addition with 132 sf porch per approved plans. revision 1. 9/16/22 hvac to strucutre 3/4 water meter upgrade required new meter required size of meter to be determined by plans civil permits/water services counter or fixture count. 5/8” old standard size will need upgrade if fixture units are 21 = ¾” min; 50 = 1’ min. effective building... see more
Valuation:
$50,000
Permit #:
CTR-102203915
Status:
expired
Fee:
$1,551
Permit Type:
New accessory str...
Building Type:
Single family
Custom home existing slab
Valuation:
$352,563
Permit #:
RSF-19025092
Status:
final
Fee:
$3,372
Permit Type:
N/A
Building Type:
Single family det...
863 conversion of stroage and patio to livable and 321 square foot new addition
Valuation:
$20,000
Permit #:
CTR-102204116
Status:
final
Fee:
$754
Permit Type:
Remodel - with ex...
Building Type:
Single family
New guesthouse
Valuation:
$195,000
Permit #:
RPRL 2203743
Status:
final
Fee:
$1,608
Permit Type:
Addition and remodel
Building Type:
Single family
Davis casita g&d
Valuation:
N/A
Permit #:
CSL-25000923
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Total demolish of single family residence
Valuation:
N/A
Permit #:
RDEM-20029572
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$46,565
Permit #:
269578
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical pedestal for shared well
Valuation:
N/A
Permit #:
B202311667
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Addition and patio
Valuation:
N/A
Permit #:
CTR-102200621
Status:
final
Fee:
$836
Permit Type:
Addition and remodel
Building Type:
Single family
Office/pool house addition
Valuation:
$95,904
Permit #:
RSME-18030688
Status:
final
Fee:
$2,346
Permit Type:
N/A
Building Type:
Addition. & alter...
Attached garage
Valuation:
$10,000
Permit #:
RSE-18038626
Status:
final
Fee:
$462
Permit Type:
N/A
Building Type:
Residence. Garage...
Interior remodel
Valuation:
$19,980
Permit #:
RSME-18015758
Status:
final
Fee:
$622
Permit Type:
N/A
Building Type:
Addition. & alter...
Demolish
Valuation:
N/A
Permit #:
RDEM-19016477
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
Residence. Demoli...
Relocating an electrical panel to bring up to code upgrading to a 200 amp all in one panel
Valuation:
N/A
Permit #:
B201602834
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Sp20220135 pool & spa w eqipment including b202300673
Valuation:
N/A
Permit #:
B202300629
Status:
final
Fee:
$952
Permit Type:
N/A
Building Type:
N/A
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Kelso Custom Builders Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Kelso Custom Builders Inc License info
Verified License
| License # | 318269 |
| Status | Active |
| State | Arizona |
| Type | General Residential |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Kelso Custom Builders Inc at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 243160 |
| Status | Active |
| State | Arizona |
| Type | Specialty Residential |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Kelso Custom Builders Inc at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 335669 |
| Status | Inactive |
| State | Arizona |
| Type | Specialty Residential |
- 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 Kelso Custom Builders Inc at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
28
Permits
- Building permit records show that Kelso Custom Builders Inc has worked on 28 permitted projects.
Kelso Custom Builders Inc Employees
MK
Mark Elgin Kelso
Qualifying Party