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Location and Projects

Address
1411 RIDERWOOD AVE, Hacienda Heights, CA, 91745
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John Chonghyun Woo Construction

Serving the Hacienda Heights area for over 25 years, John Chonghyun Woo brings extensive experience to residential construction projects throughout Southern California. Active since 1997, Woo manages a range of home improvement and remodeling work, with a portfolio that includes both interior and exterior renovations. The company works with homeowners seeking updates to kitchens, bathrooms, living spaces, and outdoor areas. Each project is overseen by John Chonghyun Woo, who applies decades of field expertise to trades such as framing, drywall, finish carpentry, tile, and flooring installation. Based in Hacienda Heights, Woo serves clients in the surrounding communities and is committed to delivering projects that align with local building codes and standards.

John Chonghyun Woo Contact Information

Phone: (626) 224-2813 Edit
Address: 1411 RIDERWOOD AVE, Hacienda Heights, CA 91745 Edit

John Chonghyun Woo Hacienda Heights

Quality

100
87th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
John Chonghyun Woo has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.

Activity

1 project
 2025
3 projects
 2024
1 project
 2023
Our building permit records indicate that John Chonghyun Woo has worked on at least 5.0 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.

Experience

3 projects
 New Constructions
Analyzing permits over the last 4 years shows that John Chonghyun Woo mostly works on new construction projects.

Pricing

1 project
 < $5k
1 project
 $500k-$1mil
2 projects
 $1mil+
Value Not Public: 1.0 project
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 John Chonghyun Woo

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Bldg-new
954 S Catalina St, 1, Los Angeles, CA, 90006
2023-05-09
Proposed 19-unit apartment 5-story and basement and 1st floor parking. this is a toc tier 3. basement and 1st floor area type 1a and 4 levels of type iiia construction with rooftop deck guardrails are deferred
Valuation:
$2,617,041
Permit #:
17010-10000-03028
Status:
withdrawn
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-new
3682 N Harriman Ave, Los Angeles, CA, 90032
2025-06-30
New 2-story (4)-unit apartment with private basement parking garage
Valuation:
$780,000
Permit #:
19010-10000-01038
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-alter/repair
6331 E Church St, Los Angeles, CA, 90042
2021-11-23
Supplemental to permit #19010-20000-01539 to revise floor plan to show office instead of bedroom. no structural changes to be made
Valuation:
$501
Permit #:
19010-20001-01539
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Grading permit - residential
804 N Lois Ln, Fullerton, CA, 92832
2024-10-17
Proposed 660 s.f. of bedroom and 327 s.f. of garage addition
Valuation:
N/A
Permit #:
GRA-2024-0040
Status:
filed
Fee:
$698
Permit Type:
N/A
Building Type:
N/A
Grading
1123 S Normandie Ave, 5, Los Angeles, CA, 90006
2018-03-15
**site grading (3480cy)** for: (n) 29 unit apartment building with roof deck: 3 story type v-a structure over type i-a ground and basement parking garage
Valuation:
N/A
Permit #:
17030-10000-04689
Status:
applied
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Nonbldg-new
1123 S Normandie Ave, 5, Los Angeles, CA, 90006
2018-03-15
**site retaining walls** for: (n) 29 unit apartment building with roof deck: 3 story type v-a structure over type i-a ground and basement parking garage
Valuation:
N/A
Permit #:
17020-10000-01976
Status:
applied
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-alter/repair
3680 N Harriman Ave, Los Angeles, CA, 90032
2019-07-24
Attn: vu nguyen supplemental to 19010-10000-01038 resubmittal for redesign (architectural and strutural) for a 3 story 4 units apartment and 33% hillside
Valuation:
N/A
Permit #:
19010-10001-01038
Status:
triage
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Grading
3682 N Harriman Ave, Los Angeles, CA, 90032
2024-12-09
New construction of (4)-unit apartments with parking garage. 972 cu.yrd
Valuation:
$982
Permit #:
19030-10000-01565
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-new
627 N Juanita Ave, 17, Los Angeles, CA, 90004
2024-03-20
New 17 unit 5 story apartment toc project: dir 2018-1421-toc-spp
Valuation:
$3,800,000
Permit #:
19010-10000-03235
Status:
canceled
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-new
4537 W Santa Monica Blvd, Los Angeles, CA, 90029
2020-09-01
A new 23- unit mixed use apartment 100 % privately funded. planning case #dir-2019-2431-spp-toc 1 of 3
Valuation:
N/A
Permit #:
19010-10000-04334
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Nonbldg-new
4537 W Santa Monica Blvd, Los Angeles, CA, 90029
2020-09-01
Shoring for a new 23- unit mixed use apartment planning case #dir-2019-2431-spp-toc 3 of 3
Valuation:
N/A
Permit #:
19020-10000-02667
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Grading
9220 S Compton Ave, Los Angeles, CA, 90002
2018-09-27
Site grading for new apartment under #17010-10000-02258 (cut 50cy fill 310cy import 260cy r&r 803 cy)
Valuation:
$803
Permit #:
17030-10000-07209
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Nonbldg-new
9220 S Compton Ave, Los Angeles, CA, 90002
2021-06-02
Retaining/block wall at property line per eng design
Valuation:
$20,664
Permit #:
18020-10000-00297
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Nonbldg-new
3682 N Harriman Ave, Los Angeles, CA, 90032
2020-01-02
New retaining wall
Valuation:
$5,000
Permit #:
19020-10000-00679
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-new
6331 E Church St, Los Angeles, CA, 90042
2021-12-04
New 48 x 27 irregular-shaped 2-story single family dwelling with attached 23 x 27 irregular-shaped 2-story accessory dwelling unit and attached 28 x 30 6 basement garage undernearth single family dwelling. all work done per structural engineering
Valuation:
$400,000
Permit #:
19010-10000-01539
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
160 N Ocean Way, Santa Monica, CA, 90402
2014-11-18
Supplemental to permit # 11014-30000-01056 to revise great room uppermost floor level to setback the north front facing wall by 4'-1 to comply with coastal commission's approved plans dated 10/25/2013 and to revise the structural inventory
Valuation:
$10,000
Permit #:
11014-30004-01056
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Grading
6331 E Church St, Los Angeles, CA, 90042
2021-11-03
Site preparation for new single family dwelling with attached accessory dwelling unit & basement garage and backfill retaining wall
Valuation:
$997
Permit #:
19030-10000-02323
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Nonbldg-new
9626 N Hanna Ave, Chatsworth, CA, 91311
2007-03-22
New fence/sound wall along rear property line facing topanga canyon blvd. max. wall height is 6ft. above finished approved grade (see permitted grading plans). new fence wall will be constructed above caltrans ret. wall where height varies up to 10ft
Valuation:
N/A
Permit #:
06020-30000-04785
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Nonbldg-new
9602 N Hanna Ave, Chatsworth, CA, 91311
2007-03-22
New fence/sound wall along rear property line facing topanga canyon blvd. max. wall height is 6ft. above finished approved grade (see permitted grading plans). new fence wall will be constructed above caltrans ret. wall where height varies up to 10ft
Valuation:
N/A
Permit #:
06020-30000-04790
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Nonbldg-new
9632 N Hanna Ave, Chatsworth, CA, 91311
2007-03-22
New fence/sound wall along rear property line facing topanga canyon blvd. max. wall height is 6ft. above finished approved grade (see permitted grading plans). new fence wall will be constructed above caltrans ret. wall where height varies up to 10ft
Valuation:
N/A
Permit #:
06020-30000-04778
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A

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