Updated: Apr 19, 2026
Location and Projects
Address
23615 WELBY WAY, West Hills, CA, 91307
Use our bidding system to
request a quote
Building Design Specialists Construction
Serving West Hills and the greater Los Angeles area, Building Design Specialists offers design and construction services with more than 35 years of experience. The firm specializes in custom home design, additions, remodels, and new construction projects. Their portfolio demonstrates expertise in residential building design, including kitchen and bathroom remodels, garage conversions, single-family home upgrades, and room extensions. Building Design Specialists works with property owners to create plans tailored to individual needs, guiding projects from initial concept through completion. The company’s experience spans both traditional and contemporary architectural styles, utilizing CAD software to produce detailed plans for city approval and permitting. Their work focuses on homes throughout the San Fernando Valley and surrounding neighborhoods.
Building Design Specialists Services
Start a project today:
Building Design Specialists Contact Information
Phone Number: (818) 887-5833
Edit
Address: 23615 WELBY WAY, West Hills, CA 91307
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Building Design Specialists
This is a sample of this contractor's permits. Click here to access their complete permit history.
New enphase m215 inverter system installed on roof of single family dwelling. two strings of 11 one combiner panel and upgrade residential service to 200 amperes. zoning clerence was orignally obtained for an express permit #11041-20000-25164. permit issued on application 11041-20000-25164 and 11041-20001-25164
Valuation:
N/A
Permit #:
12041-20000-02809
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for permit number 06020-20000-00969. additional inspection per inspection correction notice # u12698 dated 4/13/06. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
06020-20001-00969
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for __1______ (number) additional inspection(s) per inspection notice # _n 10235________or date______. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
06047-20001-00824
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for permit number 08047-20000-01232. additional inspection per inspection correction notice dated 4/30/09. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
08047-20001-01232
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for permit number 09041-20000-19632. additional inspection per inspection correction notice dated 3/15/10. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
09041-20001-19632
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Demolish exist 20 x 21 two car attach garage and replace with irr 47 x 63.5 two story addition with bedrms bathrm family room dining room entry way kitchen and two car garage. remodel exist single family dwelling to convert exist kitchen into bathrm and closet
Valuation:
N/A
Permit #:
04014-20000-08854
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for ( 3 ) additional inspection(s) per inspection correction notice # or 7/10/06 this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
06010-20001-00712
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplement to permit # 98014-20000-04379 to modify roofing material. replace t&g/hot mop roofing with 1/2 plywood & tile. (larr#23700)392 sq ft no change in plot plan
Valuation:
N/A
Permit #:
98014-20001-04379
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Propose 32'x16 pool w attached 6'x6'spa and 4 wide bridge per standard plan# 267 and additional engineering design for south of pool/spa wall to be freestanding
Valuation:
N/A
Permit #:
00047-70000-01033
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to permit #11041-20000-25166 to change work description to: ground mounted photovoltaic system
Valuation:
N/A
Permit #:
11041-20001-25166
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) freestanding 147sf lattice arbor w 12 neoclassical columns w 2ft overhangs at posts. 13ft separation to main dwelling & 13ft from side property line
Valuation:
N/A
Permit #:
07010-20000-04535
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change (e) chain link fenced trash enclosure (30'-0"x 14'-8") to block wall fence per la city standard detail (same location & size) nochange in parking layout
Valuation:
N/A
Permit #:
08020-20000-02278
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to pcis# 06020-20000-00969 increase the height of the wall to 5 revise the detail and change engineer of record. no change in plot plan
Valuation:
N/A
Permit #:
06020-20002-00969
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pound per sq. ft. (replace underlayment and reset same tile). smoke detectors required
Valuation:
N/A
Permit #:
09016-20000-16768
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revise 04014-20000-08854 to convert irr 23 x 37.5 garage into bonus room and pantry revise kitchen layout and addition 22 x 34.5 two car garage
Valuation:
N/A
Permit #:
05014-20000-04135
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 18'x38 pool & 7'x11 spa with 6'x8 waterfall at 8 high _ la city standard plan #268 with engineered details #320 600 602 and 617
Valuation:
N/A
Permit #:
08047-20000-00492
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 8.46kw ground mounted solar system for a single family residence. methane buffer zone
Valuation:
N/A
Permit #:
11041-20000-24040
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 6 high x 16 lineal feet block wall to be used as a pool-equipment enclosure. block wall per la city standard details (p/bc 2002-096)
Valuation:
N/A
Permit #:
08020-20000-02663
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revise 04014-20000-08854 to revise location of attached garage. no change in size only building footprint is changed. see revised plot plan
Valuation:
N/A
Permit #:
05014-20002-04135
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pool & spa outdoor fireplace 434 sq ft patio 104 sq ft arbor 20 lf of 5 high garden wall & 4 pilasters
Valuation:
$37,704
Permit #:
B00-017-333
Status:
final
Fee:
$1,333
Permit Type:
Pool
Building Type:
N/A
Similar Contractors See more
177
BZ Score
$10K
Avg Project
-
Projects
190
BZ Score
$9.9K
Avg Project
-
Projects
193
BZ Score
$27.9K
Avg Project
-
Projects
Building Design Specialists Reviews
BuildZoom hasn't received any reviews for Building Design Specialists. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Building Design Specialists License info
Verified License
| License # | 614706 |
| 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 Building Design Specialists 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 | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
149
Permits
- Building permit records show that Building Design Specialists has worked on 149 permitted projects.
Building Design Specialists Employees
KS
Kenneth Scott Sampson
Sole Owner