Updated: Nov 12, 2025
Location and Projects
Address
5436 Cadbury Rd, Whittier, CA, 90601
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Tang Long Thanh Construction
Serving homeowners and property managers throughout Whittier, California, Tang Long Thanh brings two decades of experience to a range of residential and light commercial construction projects. The company specializes in home remodeling, including kitchen and bathroom renovations, as well as general repair and improvement services. Tang Long Thanh has completed projects for both single-family residences and multi-unit properties, managing everything from structural upgrades to finished carpentry. With a focus on meeting local building codes, the business works closely with clients to deliver updates that fit both functional needs and style preferences. Active in the Whittier area for 20 years, Tang Long Thanh provides both new construction and renovation solutions tailored to the specific requirements of Southern California properties.
Tang Long Thanh Services
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Tang Long Thanh Contact Information
Address: 5436 Cadbury Rd, Whittier, CA 90601
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Tang Long Thanh Whittier
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tang Long Thanh has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
4 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Tang Long Thanh has worked on at least
10.0 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.
Experience
|
5 projects
|
Home Additions |
|
3 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Tang Long Thanh mostly works on
home addition
and multi-room remodel
projects.
Pricing
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $50,000. This graph shows the distribution of these job values.
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.
Remodel throughout (e) single family dwelling. enlarge (e) bathroom. remodel kitchen and bathroom. convert portion of study room to laundry room. per engineer design
Valuation:
$25,000
Permit #:
24016-20000-35943
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
291 s.f. addition to first floor and 1, 385 s.f. addition of second floor to an (e) single family dwelling
Valuation:
$255,000
Permit #:
18014-10000-01216
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supp. to 22014-10000-03977 revision to change the scope of work. new scope of work: new garage with 2nd story accessory dwelling unit (adu). ***plan check only***
Valuation:
$100,000
Permit #:
22014-10001-03977
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 18014-10000-01216 to addition (n) foundation 1st floor joists spread footings continuous footing underpin (e) footing and (n) 2nd floor beam
Valuation:
N/A
Permit #:
18014-30001-01216
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan proposed 2-story accessory dwelling unit per ordinance. ground floor will be 2-car garage and second floor will contain adu
Valuation:
$61,270
Permit #:
22014-10000-03977
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (31'-9"x18'-5") portion of an existing 2 story single family dwelling to an accessory dwelling unit per state law and a new deck addition to the rear exterior alterations to addition new roofing material (see comments) comply with department order effective date 12/28/2018. permit will expire 30 days from issuance date
Valuation:
$20,000
Permit #:
19014-10000-05372
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 61 sq.ft. front addition for master bedroom extension; new 28 sq.ft. side addition below (e) main roof; interior remodeling for modified kitchen bathroom and closets
Valuation:
$45,000
Permit #:
21016-10000-41033
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1-story addition to existing home reroof existing home with standing seam metal roofing
Valuation:
$150,000
Permit #:
19014-10000-02731
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Conditional use permit for a restaurant use in pa 36
Valuation:
N/A
Permit #:
00951084-PCPM
Status:
triage
Fee:
$3,000
Permit Type:
N/A
Building Type:
N/A
Remodel (e) single family dwelling on 1st floor. enlarge (e) window openings and fill (e) exterior openings. remove and replace (e) windows. remodel kitchen & surrounding rooms. underpin (e) footing for new posts and beams per engineer design
Valuation:
N/A
Permit #:
19016-10000-29947
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #: 21016-10000-41033 to upgrade existing foundation of (e) single family dwelling
Valuation:
$25,000
Permit #:
21016-10001-41033
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 20016-20000-24924. revise framing plans and detials (no change in floor area height)
Valuation:
$5,000
Permit #:
20016-10001-24924
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 19030-10000-03756 for excavation for additional length of retaining walls
Valuation:
$51
Permit #:
19030-10001-03756
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Alteration and addition to the rear of (e) one story single family dwelling
Valuation:
$50,000
Permit #:
22014-10000-01118
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to single family house addition m-bedroom and dining room; convert existing bedroom to closet and new hallway; convert study room to 2 bedrooms???
Valuation:
N/A
Permit #:
20014-10000-04136
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2-story addition to existing 1-story single family dwelling and interior remodel
Valuation:
$103,298
Permit #:
19014-10000-00484
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel on the first floor kitchen area to include new music room and storage space. remodel existing 2nd floor bathroom. remove and infill an interior butler stair on the first floor. no change in building footprint
Valuation:
$20,000
Permit #:
17016-10000-09339
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) detached patio cover
Valuation:
$20,000
Permit #:
21010-10000-01057
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior & exterior remodel of ( e ) one story single family dwelling : remodel ( 3 ) bedrooms and ( 2 ) baths ; relocate & remodel kitchen ; replace windows & patio doors ; finishes
Valuation:
$80,000
Permit #:
17016-10000-34348
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior bathroom remodels to existing 3 story single family dwelling
Valuation:
$40,000
Permit #:
18016-10000-05649
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Tang Long Thanh License info
License Not Required
| Status | Not Required |
- BuildZoom verified in October, 2020 that this contractor does not need a license to be a contractor in California.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
36
Permits
- Building permit records show that Tang Long Thanh has worked on 36 permitted projects.