Updated: Apr 11, 2026
Location and Projects
Address
27948 STAGELINE RD, Castaic, CA, 91384
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Mark Tomorsky Construction
Mark Tomorsky, 27948 Stageline Rd, Castaic, CA (Owned by: Mark Joseph Tomorsky) holds a General Building 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 Mark Tomorsky, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark Tomorsky Services
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Mark Tomorsky Contact Information
Phone Number: (310) 350-2763
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Address: 27948 STAGELINE RD, Castaic, CA 91384
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Mark Tomorsky Castaic
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mark Tomorsky has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Mark Tomorsky has worked on at least
1.0 project 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
|
$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.
***see comments*** eplan supplemental permit convert existing shed (type 5 construction previous permit : #21010-1000-04944 complete) to adu adding bathroom space kitchenette. ***see comments***
Valuation:
$60,000
Permit #:
21010-10001-04944
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace drywall/plaster (patch and paint). non-structural repair only. interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$15,536
Permit #:
18016-90000-33070
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Relocate existing toilet from one side of bathroom to another
Valuation:
N/A
Permit #:
19042-90000-02372
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New block wall per p/bc 2014-096
Valuation:
$3,000
Permit #:
16020-30000-00204
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace 2 tubs 2 lavatories 2 toilets addition 1 shower
Valuation:
N/A
Permit #:
18042-90000-24591
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 25 recessed led lights
Valuation:
N/A
Permit #:
18041-90000-39031
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 10 recessed lights
Valuation:
N/A
Permit #:
19041-90000-23817
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel bathroom replace existing tub with shower from in shower new plumbing fixtures tile paint
Valuation:
N/A
Permit #:
17042-90000-04041
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Dry rot repair less than 10% of replacement cost of residential building
Valuation:
$501
Permit #:
17016-20000-06870
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Permit existing garage electrical
Valuation:
N/A
Permit #:
17041-90000-06326
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace existing lighting fixtures
Valuation:
N/A
Permit #:
17041-90000-05955
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Permit existing water heaters
Valuation:
N/A
Permit #:
17042-90000-04300
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Enclose existing 6'11 x 13'7 porch under existing roof for master bedroom extension. addition new exterior partitions over existing footings. all construction per type v sheet
Valuation:
N/A
Permit #:
03014-30000-03288
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace drywall (no new walls added) for single family dwellings and duplexes only
Valuation:
$5,000
Permit #:
22016-20000-06760
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New nonbearing walls to close off existing breezway and create new bathroom and laundry within. wall construction per city standard type v sheet
Valuation:
N/A
Permit #:
03016-30000-07709
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Dry rot repair less than 10% of replacement cost of residential buildi
Valuation:
$501
Permit #:
17016-20000-06870
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Residential kitchen remodel - repair/replace only. no changes in walls or openings. electrical and plumbing combined.
Valuation:
$0
Permit #:
03016-30000-08713
Status:
Permit Finaled
Fee:
N/A
Permit Type:
1 or 2 Family Dwe...
Building Type:
N/A
Interior kitchen remodel/repair (no changes in walls or openings)
Valuation:
N/A
Permit #:
12016-90000-05085
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Repair/replace sink supply toilet washer and addition bathroom sink
Valuation:
N/A
Permit #:
12042-30000-07200
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change of contractor - refer to bs0316226 for fee and other building information. owner's letter on file
Valuation:
N/A
Permit #:
BS0528669
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Mark Tomorsky Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mark Tomorsky License info
Verified License
| License # | 786995 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mark Tomorsky at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Scottsdale Insurance Company |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
15
Permits
- Building permit records show that Mark Tomorsky has worked on 15 permitted projects.
Mark Tomorsky Employees
LN
Ludwin Arnulfo Nunez
Member
MT
Mark Joseph Tomorsky
Owner