Updated: May 17, 2026
Location and Projects
Address
7744 PALMYRA DRIVE, Fair Oaks, CA, 95628
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Square One Design HVAC/Mechanical Contractor
Square One Design, 7744 Palmyra Dr, Fair Oaks, CA (Owned by: Sean Edward Hutton, Cristian Petrisor) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 96 ranks in the top 20% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Square One Design, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Square One Design Contact Information
Phone Number: (916) 799-7481
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Address: 7744 PALMYRA DRIVE, Fair Oaks, CA 95628
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Square One Design Fair Oaks
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Square One Design has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Square One Design has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
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.
(2) (n) open office spaces with freestanding partition walls to 8 aff; no ceilings no (n) lighting and no hvac required to be added mechanical and electrical under separate permits as per approved plans
Valuation:
$18,000
Permit #:
BLDC-2025-0048
Status:
issued
Fee:
$1,310
Permit Type:
N/A
Building Type:
N/A
Electrical for (2) (n) open office spaces with freestanding partition walls to 8 aff; no ceilings no (n) lighting and no hvac required to be added includes: (6) outlets (2) air compressors ref: bldc-2025-0048
Valuation:
N/A
Permit #:
ELEC-2025-0032
Status:
complete
Fee:
$569
Permit Type:
N/A
Building Type:
N/A
Mechanical for walls to 8 aff; no ceilings no (n) lighting and no hvac required to be added includes: (2) refrigerated compressors ref: bldc-2025-0048
Valuation:
N/A
Permit #:
MECC-2025-0021
Status:
pre-issuance status
Fee:
$476
Permit Type:
N/A
Building Type:
N/A
Residential ~ 3 inspections ~ primary & garage: install a presidential 50 year roof over an existing 30 year roof. there is only one existing composition shingle roof layer at this time and it will be left in place as it is in good condition and the roof does not leak
Valuation:
$11,000
Permit #:
RERR2015-01818
Status:
complete
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
Reroof. tear off re-sheet install 41 squares of 50 yr laminated dimensional composition roofing material. in-progress inspection required if 10 sq or greater. cf-6r-env-01 required at final inspection. cf-1r-alt on file. carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$18,800
Permit #:
RES-1511058
Status:
final
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
Permit value$12k remove and replace handrails and guardrails on ramp and rear stairs replacement in kind 11-1-95 addition 9'x4 covering over ramp entry and bathroom remodel to ada standars
Valuation:
N/A
Permit #:
B9504126
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace handrails and guardrails on ramp and rear stairs replacement in kind 11-1-95 add 9'x4' covering over ramp entry and bath remodel to ada standars.
Valuation:
$12,000
Permit #:
B9504126
Status:
Final
Fee:
$467
Permit Type:
N/A
Building Type:
N/A
Repairs per housing report attached; r/r front stairs; reroof; r/r windows (same sizes); kitchen cabinets & sink; new elec. service, new water heater.
Valuation:
$29,000
Permit #:
RB9702920
Status:
Cancelled
Fee:
$816
Permit Type:
N/A
Building Type:
N/A
Bathroom remodeling renewal of bathroom new lights and a small non-structural pony wall; retiling and new cabinetry
Valuation:
N/A
Permit #:
RB9701461
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior modification exterior plaster window foundation
Valuation:
$150,000
Permit #:
RB9402671
Status:
Final
Fee:
$2,294
Permit Type:
N/A
Building Type:
N/A
Permit value$9.4k dry-rot and termite repairs @ front of building replace windows at area of work only
Valuation:
N/A
Permit #:
B9604404
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renewal of bathroom, new lights and a small non-structural pony wall; retiling and new cabinetry.
Valuation:
$7,000
Permit #:
RB9701461
Status:
Expired
Fee:
$288
Permit Type:
N/A
Building Type:
N/A
Kitchen remodeling kitchen and bathroom remodel and new french doors to replace a window
Valuation:
N/A
Permit #:
RB9503522
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical for fire repair/ 4-17-97 add: 100 amp service, new wiring, outlets, etc.
Valuation:
$0
Permit #:
RE9700368
Status:
Final
Fee:
$259
Permit Type:
N/A
Building Type:
N/A
Dry-rot and termite repairs @ front of bldg replace windows at area of work only
Valuation:
$9,400
Permit #:
B9604404
Status:
Final
Fee:
$350
Permit Type:
N/A
Building Type:
N/A
Upgrade service to 200amps. replace any faulty switches or receptacles. install gfi.
Valuation:
$0
Permit #:
E9503649
Status:
Final
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
Area ii 2 signs, 1 elect and 1 awning
Valuation:
$2,000
Permit #:
SGN2006-00295
Status:
Finaled
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Final inspection needed on permit #b9201685(master bath/bed and family addition)
Valuation:
N/A
Permit #:
RM9400841
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Final inspection needed on permit #b9201685(master bath/bed and family addition)
Valuation:
$0
Permit #:
RM9400841
Status:
Expired
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
Final inspection on permit #b9201685(master bed/bath and family room addition)
Valuation:
N/A
Permit #:
RP9401361
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Square One Design Reviews
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Verified License
BuildZoom confirmed this contractor's license
Square One Design License info
Verified License
| License # | 1120623 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Partnership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Square One Design at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 992171 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Partnership |
- According to the California Contractors State License Board, 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 Square One Design at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
27
Permits
- Building permit records show that Square One Design has worked on 27 permitted projects.
Square One Design Employees
CP
Cristian Petrisor
General Partner
CP
Cristian Petrisor
General Partner
SH
Sean Edward Hutton
Qualify Partner
SP
Sean Edward Hutton, Cristian Petrisor
Owner