Updated: May 16, 2026
Location and Projects
Address
3833 EL MORENO ST, La Crescenta, CA, 91214
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Ahn Stuart Sungju Architect
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
If you are thinking of hiring Ahn Stuart Sungju, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ahn Stuart Sungju Services
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Ahn Stuart Sungju Contact Information
Phone Number: (213) 388-4118
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Address: 3833 EL MORENO ST, La Crescenta, CA 91214
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Ahn Stuart Sungju La Crescenta
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ahn Stuart Sungju has a BuildZoom score of 92, which places them above 68% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Ahn Stuart Sungju has worked on at least
3.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$100k-$250k |
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.
Manufactured - (units 1211 1227 1247) remove existing stucco on (e) balconies remove soffits & replace w new 3 coat stucco system
Valuation:
N/A
Permit #:
XR2025-0199
Status:
issued
Fee:
$1,120
Permit Type:
N/A
Building Type:
N/A
Convert a 2 story duplex with attached garage into duplex with accessory dewlling unit no change in height or floor area. (multiple adu per state law)
Valuation:
$35,000
Permit #:
20016-10000-03732
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 2 story accessory dwelling unit per ab 494 & sb 229 w/att garage
Valuation:
$150,000
Permit #:
19010-10000-03152
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior alterations to 12 dwelling units (in 2-story 146 unit apartment bldg): addition partition wall in living room to create 3rd bedroom in each (units # 104 105 204 205 131 132 231 232 156 157 256 and 257)
Valuation:
$12,000
Permit #:
13016-20000-03486
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Proposed exterior remodel to existing 3-unit apartment. scope willinlcude the removal of existing exterior stairs and replace with new on grade stairs at different location
Valuation:
$2,000
Permit #:
19016-10000-17308
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Convert existing closets into bathrooms in all units of an existing 2-story 4-unit apartment building by adding plumbing fixtures. no new partitions. see comments
Valuation:
$36,000
Permit #:
17016-10000-04938
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Building permit extension (18014-10000-06157)
Valuation:
N/A
Permit #:
18014-10001-06157
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Minor interior remodel: 2 door relocation replacing plumbing fixtures some non bearing partitions etc on 2nd floor
Valuation:
N/A
Permit #:
19016-10000-16538
Status:
plancheck
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Interior remodeling of existing 3 unit apratment and convert into 4 unit apartment. replace 2 kitchens addition one bathroom. comply with housing order
Valuation:
$25,000
Permit #:
18016-10000-19384
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tenant improvement to the (e) warehouse for (n) interior non bearing partitions
Valuation:
$15,000
Permit #:
18016-20000-33852
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Chg of use from mfg to same hydroponics
Valuation:
N/A
Permit #:
19016-20000-00684
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Attn: zaw han supplemental to 18016-10000-19384 rebuild (ee) noncomforming wood stairway
Valuation:
$3,500
Permit #:
18016-10001-19384
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Proposed one-strory addition to single family dwelling
Valuation:
$10,000
Permit #:
18014-10000-06157
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e)storage into a unit at garage level & (e)two bedroom unit #201 into two units (one bed unit & studio) to convert (e)59 unit into (n)61 unit apartment per za 2005-8092(zv)(zaa)(zad)
Valuation:
$30,000
Permit #:
12016-20000-23704
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Re-construction of balustrade (gfrc railing). new railing shall be located on the front porch. height of guardrail is 36 per hpoz
Valuation:
$12,500
Permit #:
16016-10000-24390
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
13014-10002-02731
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
13014-10001-02731
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior tenant improvement to (e) apartment unit # 611 on ground floor: remodel (e) bathroom room and kitchen including repair to (e) unit separation wall
Valuation:
$2,500
Permit #:
14016-10000-22344
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reconstruct/replace an exterior stair to the (e) single family dwelling at 2nd floor
Valuation:
$3,500
Permit #:
13016-10000-19580
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Demolish (e) 20'x20 garage parking requirements to be met under 13010-10000-02151
Valuation:
N/A
Permit #:
13019-20000-02673
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Ahn Stuart Sungju Reviews
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Recent Buildzoom Projects
Ahn Stuart Sungju License info
License Not Verified
| License # | C8137 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of Ahn Stuart Sungju with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 477820 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Ahn Stuart Sungju at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 356276 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Ahn Stuart Sungju at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Indemnity Company Of California |
| Bond Value | $7,500 |
23
Permits
- Building permit records show that Ahn Stuart Sungju has worked on 23 permitted projects.
Ahn Stuart Sungju Employees
AS
Ahn Stuart Sungju
Owner
PC
Peck C L Contractor
Entity
SA
Stuart Sungju Ahn
Sole Owner