Updated: Aug 27, 2025
Location and Projects
Address
1 Allbrook Ct, Mission Viejo, CA, 92694
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John C Gresko Architect
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring John C Gresko, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John C Gresko Services
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John C Gresko Contact Information
Address: 1 Allbrook Ct, Mission Viejo, CA 92694
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John C Gresko Mission Viejo
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are John C Gresko, click “This is My Business” to update your information.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that John C Gresko has worked on at least
6.0 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 |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$1mil+ |
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.
Tenant improvement to (e) medical clinic w ambulatory surgical center (less than 24hr stay) & clinic; addition (3) new operating rooms prep & recovery staff support administration & waiting on 1st flr; addition clinic space offices & staff lounge on 2nd flr; addition rooftop mechanical equipment (nfpa-13 fire sprinklers throughout) **eplan**
Valuation:
$9,000,000
Permit #:
24016-20000-06704
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[e-plan] plan check only to relocate core and shell circuits to existing tenant improvement panels. removal of core and shell panels and move loads to tenant improvement panels. **informational note:** ar 4/22/25 applicant called and stated that all equipment is existing and no new equipment is being added
Valuation:
N/A
Permit #:
24041-10002-17705
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] revisions to previously approved plans 21141-10000-27819 and 21141-10001-27819. office space revised to patient care and support areas. updated circuiting panelboard schedules revised power and lighting plnas
Valuation:
N/A
Permit #:
24041-10000-22657
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. medical facility. full plan check. scope of work includes: new circuits panel and controls. total affected area is: 19 537 square feet. new interior fit out of an existing shell space. the interior space will be a new ambulatory surgical center (less than 24 hour stay) and clinic. the core and shell was completed under permit 22010-20000-02786. the work will include interior fi... see more
Valuation:
N/A
Permit #:
24041-10000-17705
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hcac system heating and cooling ventilation system
Valuation:
N/A
Permit #:
24044-20000-07897
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 21016-10000-59383 for the revision of 1)continuous 1 hour fire barrier in the corridor and re-routed in asc corridor 2)exterior exit door removal in imaging suite 3)existing service doors to remain in imaging suite. 4)area b&c egress path modified
Valuation:
$5,000
Permit #:
21016-10002-59383
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] supplemental pc for delta 3 and 4 clouded revisions. revisions made to admin suite. conference rooms converted to small private rooms. the it/electrical room was shifted down in plan. it/electrical room 141a updated to a dedicated electrical room and the it equipment relocated to it room 187a in the admin suite. upsized transformer rating for 1tbc from 30kva to 45kva. updated ... see more
Valuation:
N/A
Permit #:
21141-10001-27819
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
E plan :patch and repair ceiling and wall systems in support of new fire sprinkler protection work
Valuation:
$500,000
Permit #:
22016-10000-20714
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] plan check only to cover title 24. power plan check completed under 24041-10000-17705
Valuation:
N/A
Permit #:
24041-10001-17705
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hvac tenant improvement. general hvac ductwork
Valuation:
N/A
Permit #:
21044-10002-28957
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] changes to approved plans. revised power and lighting floor plans updated single line revised feeder schedule updated load calculations. clouded changes only
Valuation:
N/A
Permit #:
21141-10002-27819
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 21016-10000-59383 for the revision of creating 5 rooms for business no change in use and occupancy
Valuation:
$50,000
Permit #:
21016-10004-59383
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan new mechanical screened equipment yard (open to sky) for ambulatory surgery center on existing parking lot
Valuation:
$25,000
Permit #:
22020-10000-00203
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan new mechanical equipment building for ambulatory surgery center on existing parking lot
Valuation:
$20,000
Permit #:
22010-10000-00381
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to approved set of plans. revised ventilation calculations hvac layout etc. general hvac. previously approved plans under 21044-10000-28957
Valuation:
N/A
Permit #:
21044-10001-28957
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 21016-10000-59383 for the revision of imaging suite floor plan layout and revision of fire rated walls
Valuation:
$85,000
Permit #:
21016-10003-59383
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Patch (e) wall and ceiling systems in support of new fire sprinkler system throughout level 1
Valuation:
$80,000
Permit #:
22016-10000-21052
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Potable water and waste/vent systems. existing 2 domestic water meter. existing 2 backflow device 2 prv
Valuation:
N/A
Permit #:
24042-20000-09280
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 21016-10000-59383 for the revision of floor plan and layout.no change in occupancy and occ load
Valuation:
$8,500
Permit #:
21016-10001-59383
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for 24016-20000-06704 to change occupancy from i-2.1 to b
Valuation:
$501
Permit #:
24016-20001-06704
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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John C Gresko License info
License Not Verified
| License # | 001018888 |
| Status | Active |
| State | Illinois |
| Type | Licensed Architect |
- When BuildZoom last verified this license, it had an expiration date of November, 2024. Check the current license status of John C Gresko with the Illinois Department of Financial & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
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- *No active license on file. If you are John C Gresko, click “This is My Business” to update your information.