Updated: Jan 03, 2026
Location and Projects
Address
10425 ALABAMA AVENUE, Chatsworth, CA, 91311
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TJ Design / Build Construction
Specializing in custom luxury pools, spas, and outdoor living spaces, TJ Design / Build Inc has served Southern California since 1984. Based in Chatsworth, the company focuses on designing, engineering, and building backyard paradises, with projects ranging from new pool construction and spa installation to fire pits and major home remodeling. Their scope includes drafting architectural plans, managing city permitting, and overseeing construction for both residential properties and major remodels. With nearly four decades of experience, their portfolio demonstrates custom-designed outdoor environments throughout Southern California. Clients are guided through each phase—from concept and design to build completion—ensuring comprehensive project management on pool, spa, and outdoor living upgrades.
TJ Design / Build Inc Services
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TJ Design / Build Inc Contact Information
Phone Number: (818) 395-3890
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Address: 10425 ALABAMA AVENUE, Chatsworth, CA 91311
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TJ Design / Build Inc Chatsworth
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
TJ Design / Build Inc has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that TJ Design / Build Inc has worked on at least
2.0 projects over the past 2 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 |
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.
Building Permits by TJ Design / Build Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace 9 window(s). same size location number type. replace 3 door(s). same size location number type. new stucco w/wire lath over (e) siding to remain. area = 1000 sqft. interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$18,000
Permit #:
21016-90000-55723
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install fire wall to separate building d from building c b & a
Valuation:
$501
Permit #:
22016-20000-34416
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Elec.for int.ti.only: instl partitions in exstg 2195 sf unit to create new retail & office****hush baby****bella terra & assoc.**** ****sup: rev. approved for addl switches/outlets - jt9/13/07**** ***plans sent to scanning sm 06/11*** entered by: chuorp
Valuation:
N/A
Permit #:
E2007-004225
Status:
final
Fee:
$867
Permit Type:
N/A
Building Type:
N/A
Elec.for int.ti.only: create new coffee house w/prep.service in exstg 765 sf unit****cofo in file****mr.ps---espresso italliano cafe**** ***plans sent to scanning - 3/4/09 jt*** ***plans sent to scanning-tl 1/10*** entered by: chuorp
Valuation:
N/A
Permit #:
P2008-005447
Status:
final
Fee:
$585
Permit Type:
N/A
Building Type:
N/A
Bathroom addition (45 sq. ft.)
Valuation:
$75,000
Permit #:
B15-00523
Status:
ISSUED
Fee:
$$2,431.52
Permit Type:
N/A
Building Type:
N/A
New 11 x 21 solid patio cover at rear of single family dwelling and remove and install new pre-fab fireplace. addition 1/2 ply shearwall to entire west wall. and kitchen remodel new kitchen new cabinets and soffits
Valuation:
N/A
Permit #:
97014-20000-04916
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Int.ti.only: instl partitions in exstg 2195 sf unit to create new retail & office ****hush baby****bella terra & assoc.**** cofo in file **plans sent to microfilm -bd-12/007**** entered by: chuorp
Valuation:
N/A
Permit #:
B2007-004222
Status:
final
Fee:
$1,300
Permit Type:
N/A
Building Type:
N/A
Elec.for int.ti.only: create new coffee house w/prep.service in exstg 765 sf unit****cofo in file****mr.p's---espresso italliano cafe**** ***plans sent to scanning - 3/4/09 jt*** entered by: chuorp
Valuation:
N/A
Permit #:
E2008-005446
Status:
final
Fee:
$249
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel: expand (e) bathroom under (e) porch (6'-2 x 4'-0 25sf); replace all interior doors (same size type & location) all work per la city wfpp stds
Valuation:
N/A
Permit #:
11016-20000-06459
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Int.ti.only: create new coffee house w/prep.service in exstg 765 sf unit****cofo in file****mr.ps---espresso italliano cafe**** ***plans sent to scanning-tl 3/09*** entered by: chuorp
Valuation:
N/A
Permit #:
B2008-005443
Status:
final
Fee:
$809
Permit Type:
N/A
Building Type:
N/A
Supplemental of permit #02vn15632 to addition irr-shaped open trellis at rear of (e) single family dwelling addition 14'x5'4 front porch per engineered plans. work conform to standard type v sheet
Valuation:
N/A
Permit #:
02014-20001-05434
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 11'x5"x 22'9 garage extension and enclose an existing roofed patio and convert to dining room and convert a portion of the garage to a laundry and 1/2 bathroom
Valuation:
N/A
Permit #:
06014-20000-09804
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tear off (e) roof and apply 42 squares. of b.u.r. system. (replace flashings). re-stucco and paint exterior. drywall patch and paint. smoke detectors required
Valuation:
N/A
Permit #:
04016-20000-22610
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Commercial and industrial mechanical
2007-10-04
Mech.for int.ti.only: instl partitions in exstg 2195 sf unit to create new retail & office****hush baby****bella terra & assoc.**** ***plans sent to microfilm -bd-12/2007*** ***plans sent to scanning sm 06/11*** entered by: chuorp
Valuation:
N/A
Permit #:
M2007-004226
Status:
final
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Structural framing for new air conditioning unit
Valuation:
$3,000
Permit #:
20016-10000-00140
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tear off (e) roof and apply 42 squares. of b.u.r. system. (replace flashings). re-stucco and paint exterior. drywall patch and paint. smoke detectors required
Valuation:
N/A
Permit #:
04016-20000-22610
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Fire damage repair: replace roof rafters ceiling joists headers shearwalls stucco and window replacement. electrical plumbing and hvac work
Valuation:
N/A
Permit #:
99016-20000-17875
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
15'-2 x 36'-9 irreg. shaped addition@sw corner 27'-5 x 27 irreg. shaped addition@nw corner & 36 x 6'-6 patio cover in between. see comments
Valuation:
N/A
Permit #:
06014-20000-01227
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit - kitchen and bathroom remodel - drywall countertops floor tiles cabinets painting and related plumbing and electrical
Valuation:
N/A
Permit #:
02014-20002-05434
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed 29 sq. ft. addition - addition new elevator shaft & mechanical room; and 2nd floor closet; all work per engineering design
Valuation:
N/A
Permit #:
08014-20000-04082
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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TJ Design / Build Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
TJ Design / Build Inc License info
Verified License
| License # | 708597 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for TJ Design / Build Inc 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
24
Permits
- Building permit records show that TJ Design / Build Inc has worked on 24 permitted projects.
TJ Design / Build Inc Employees
LM
Lisa Louise Moglia
Officer
TJ
Thomas Elliot Johnson
Rmo / Ceo / Pres