Updated: Apr 22, 2026
Location and Projects
Address
24307 MAGIC MOUNTAIN PKWY 556, Valencia, CA, 91355
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Southwest Tenant Development Construction
Southwest Tenant Development, 24307 Magic Mountain Park, Valencia, CA (Employees: Bonnae Thomas, Eugene Austin Swaim, and James Lewis Thomas) holds a General Building, Drywall, Electrical 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 Southwest Tenant Development, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Southwest Tenant Development Services
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Southwest Tenant Development Contact Information
Phone Number: (805) 732-9129
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Address: 24307 MAGIC MOUNTAIN PKWY 556, Valencia, CA 91355
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Southwest Tenant Development Reviews
5 out of 5 stars, based on
1
review
-
By Ben J.May 13, 2016Office remodels and new office construction (build-out).$45,00015 days
Building Permits by Southwest Tenant Development
This is a sample of this contractor's permits. Click here to access their complete permit history.
Plan check for title 24 only. project site is a suite on the 10th floor of an existing commercial high-rise building. project scope is a tenant improvement. no work is being done in patient care areas. total lighting area = 1, 180 sq. ft. note: building application has been generated under 16016-10000-13806
Valuation:
N/A
Permit #:
16041-30000-25354
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Changes to approved set of plans. this is full plan check for power wiring system. checking for medical clinic article 517. providing grounding type conduit with additional ground wire for power wiring
Valuation:
N/A
Permit #:
16041-10001-25354
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior tenant improvement to existing medical office space. new non-load bearing partitions ceiling millwork and finishes. area of work is 1, 156 s.f
Valuation:
$30,000
Permit #:
16016-10000-13806
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
T-24 pc for energy only.ti to an existing high rise commercial building for suite 1008. scope includes new lights and receptacles. total affected area is 1018 sq. ft
Valuation:
N/A
Permit #:
16041-10000-38551
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior non-structural tenant improvement (1, 249 sf); scope of work to include: new framing finishes and t-bar ceiling
Valuation:
$60,000
Permit #:
16016-10000-26133
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for permit #15041-20000-17156 to change contractor to southwest tenant development lic#397368
Valuation:
N/A
Permit #:
15041-10001-17156
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior first floor lobby repair replace (e) plaster + lathe suspended gypsum wall board ceiling
Valuation:
$4,000
Permit #:
16016-10000-08600
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for title 24 only in exising highrise suite # 1010 tenant improvement. total area: 1, 162 sq ft
Valuation:
N/A
Permit #:
16041-10000-39157
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for application 16041-10000-38551 for one new panel and circuits
Valuation:
N/A
Permit #:
16041-10001-38551
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for application 16041-10000-39157 for one new panel and circuits
Valuation:
N/A
Permit #:
16041-10001-39157
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. to consist of new framing and new t-bar ceiling (844sf) located at suite #1008
Valuation:
$60,000
Permit #:
16016-10000-26134
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior non-structural tenant improvement (1, 249 sf); scope of work
Valuation:
$60,000
Permit #:
16016-10000-26133
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Permit for low voltage wiring
Valuation:
N/A
Permit #:
17041-10000-03399
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Permit for low voltage wiring
Valuation:
N/A
Permit #:
17041-10000-03388
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. on previous permit 01016-10000-08717 - this permit is to capture only phase 1 (1500 sqft). no physical construction. phase ii under previous permit with remaining 3900 sqft
Valuation:
N/A
Permit #:
01016-10000-14161
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Low voltage
Valuation:
N/A
Permit #:
17041-10000-10192
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. - construct 2 non-bearing partitions walls within existing museum gallery spaces on the 3rd floor (garden level): 12 high 15 long and 27'-10 long
Valuation:
N/A
Permit #:
03016-30000-25618
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New stairway doors and hardware each floor for floors 4 9, 10, 11. two doors on each floor are replaced with 90 min assembly self closing self gasketed
Valuation:
N/A
Permit #:
97016-10000-16870
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. to consist of new framing and new t-bar ceiling (844sf) located
Valuation:
$60,000
Permit #:
16016-10000-26134
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior remodel to extend (e) ground floor lobby area 372 sf within (e) high rise building. addition steel frame ceiling at enlarged lobby area
Valuation:
N/A
Permit #:
03016-30000-05688
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Southwest Tenant Development License info
Verified License
| License # | 397368 |
| Status | Active |
| State | California |
| Type | General Building, Drywall, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Southwest Tenant Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 524036 |
| Status | Inactive |
| State | California |
| Type | General Building, Drywall, Painting And Decorating |
| Business Type | Corporation |
- 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 Southwest Tenant Development 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 | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
22
Permits
- Building permit records show that Southwest Tenant Development has worked on 22 permitted projects.
Southwest Tenant Development Employees
BT
Bonnae Thomas
Officer
ES
Eugene Austin Swaim
Ceo/President
JT
James Lewis Thomas
Officer
PS
Patricia Dale Swaim
Rmo / Ceo / Pres
RF
Robert Edward Farmer
Rmo / Ceo / Pres
Great contractor! Came in under budget. The cleanest remodel and build-out we have ever seen!