Updated: Dec 30, 2025
Location and Projects
Address
1971 Ascot Dr, Moraga, CA, 94556
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Kwon Ohsung Construction
Serving Moraga, California, and surrounding areas, Kwon Ohsung specializes in residential construction and remodeling. With a decade of experience in the industry, the company has managed a variety of home improvement projects, including kitchen and bathroom renovations, interior upgrades, and structural alterations. Kwon Ohsung works with homeowners seeking to enhance functionality and aesthetics within existing spaces, drawing on skills in carpentry, layout modifications, and finish installation. The firm collaborates closely with clients from initial planning through project completion, delivering construction solutions that align with local codes and neighborhood styles in Moraga and nearby East Bay communities. With 10 years in business, Kwon Ohsung brings established trade expertise to each residential project undertaken.
Kwon Ohsung Services
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Kwon Ohsung Contact Information
Address: 1971 Ascot Dr, Moraga, CA 94556
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Kwon Ohsung Moraga
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kwon Ohsung has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
17 projects
|
2025 |
|
15 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Kwon Ohsung has worked on at least
41.0 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
|
17 projects
|
Home Additions |
|
9 projects
|
New Constructions |
|
5 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Kwon Ohsung mostly works on
home addition
and new construction
projects.
Pricing
|
3 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
11 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
The typical size of their permits is approximately $95,225. 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.
Convert detached garage to adu with two story addition
Valuation:
$300,000
Permit #:
24014-10000-05570
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Propose detached accessory dwelling unit (per lamc 12.22 a.33(c) and (d))
Valuation:
$101,000
Permit #:
23010-20000-04972
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: convert existing rec room with laundry to adu per engineer design (state adu conversion of accessory structure gc 66323(a)(1))
Valuation:
$25,000
Permit #:
25016-10000-06743
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*** dept error*** supplemental permit to 22014-10000-03178 to correct scope of work and addition fire sprinkler requirement. corrected to: conversion and addition of existing attached garage to create adu per lamc 12.22a.33(c) and (e)
Valuation:
N/A
Permit #:
22014-10001-03178
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan proposed 28'-8 x 29'-6 addition for (n) attached accessory dwelling unit per lamc 12.22 a.33(c) and (e) to (e) duplex. all work per engineering
Valuation:
$175,000
Permit #:
22014-10000-03199
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. new 1-story 24'6'x52 detached accessory dwelling unit per la ordinance
Valuation:
$300,000
Permit #:
22010-10000-00963
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. supplemental to permit 22016-10000-33648 to revise interior layout and addition new structural members. no change in building dimensions or height. no change in plot plan
Valuation:
$3,500
Permit #:
22016-10001-33648
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: enclose mezzanine level of 3 story single family dwelling to bedroom & bathroom to create 4 story building
Valuation:
$20,000
Permit #:
25016-10000-10096
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. new 1-story accessory dwelling unit under lamc 12.22 a.33(c)(d)
Valuation:
$300,000
Permit #:
22010-10000-01038
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 21014-10000-04284 to update architectural plans to revise notes & update structural plans for all new foundation
Valuation:
$150,000
Permit #:
21014-10001-04284
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. proposed addition to (e) single family dwelling and remodel
Valuation:
$100,000
Permit #:
25014-10000-01285
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2- story addition to the (e) 2-story single family dwelling to create bedroom extension new bedroom and trellis covered deck; enclosure of portion of (e) covered patio and convert portion of (e) covered patio to trellis; kitchen relocation and remodel (2) bathroom remodels convert (e) kitchen to bedroom and replace all (e) windows
Valuation:
$180,000
Permit #:
19014-10000-04432
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan - single story 1 bedroom & 1 1/2 bathroom addition. (339 sf) - partial remodel of existing single story house. conversion of attached 2car garage into 1 attached adu (368 sf)
Valuation:
$145,000
Permit #:
22014-10000-03178
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
190 sf second story addition and remodeling existing building including new attached permeable uncovered deck to rear of the building
Valuation:
$120,000
Permit #:
21014-10000-01968
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1-story ground floor addition (23x23) to the rear of (e) 1-story sfd: addition master bedroom laundry area and two bathrooms. subject to dir 2020-7602-coa
Valuation:
$75,000
Permit #:
20014-10000-04395
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan atten: arsalan shabestari. i would like to request a supplemental permit for the following: 1. direct vent gas fireplace relocated. 2. kitchen cabinets & appliances relocated. 3. (2) windows eliminated. no other changes proposed. thank you
Valuation:
N/A
Permit #:
21016-10001-05161
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1-story 25'-1 x 14'-9 addition to (e) single family dwelling. interior remodel of the existing single family dwelling and addition skylight at bedroom
Valuation:
$70,000
Permit #:
19014-10000-00851
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: 662 s.f. adu [ conversion and addition (173 s.f. ) from existing 2-car garage and storage building ( 489 s.f. ) ] detached per ordinance (1-story)
Valuation:
$50,000
Permit #:
21014-10000-04284
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan addition to (e) single family dwelling convert (e) garage to bed-room & addition (n) 2-car garage
Valuation:
$120,000
Permit #:
22014-20000-04820
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel of existing two-story single family dwelling
Valuation:
$85,000
Permit #:
24016-10000-39623
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Kwon Ohsung License info
License Not Required
| Status | Not Required |
- BuildZoom verified in September, 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.
106
BuildZoom Score
71
Permits
- Building permit records show that Kwon Ohsung has worked on 71 permitted projects.