Updated: May 10, 2026
Location and Projects
Address
31210 LA BAYA DR #205, Westlake Village, CA, 91362
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Mc Master and Sons Construction
Serving Westlake Village and the surrounding Los Angeles County area, Mc Master and Sons Construction brings more than three decades of experience to residential construction projects. Active for 36 years, the company specializes in home remodeling and custom renovation work, as reflected in its local project portfolio. Mc Master and Sons Construction manages projects that include kitchen and bathroom remodels, additions, and home updates tailored to the needs of homeowners. The company works directly with residential clients to transform existing properties, drawing on deep knowledge of building techniques and local permit requirements. With a long-established presence in the region, Mc Master and Sons Construction is known for delivering remodeling services that address both functional and aesthetic improvements in Westlake Village and neighboring communities.
Mc Master and Sons Construction Services
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Mc Master and Sons Construction Contact Information
Phone Number: (805) 358-4949
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Address: 31210 LA BAYA DR #205, Westlake Village, CA 91362
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Mc Master and Sons Construction Westlake Village
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mc Master and Sons Construction has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
20 projects
|
2025 |
|
9 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Mc Master and Sons Construction has worked on at least
40.0 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
|
15 projects
|
Home Additions |
|
13 projects
|
Kitchen remodels |
|
11 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Mc Master and Sons Construction mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
6 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
10 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $45,000. 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.
Mc Master and Sons Construction Reviews
5 out of 5 stars, based on
1
review
-
By Kristin S.October 6, 2017Paint and roof work
Building Permits by Mc Master and Sons Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
(e-plan) remodel of 2-story single family residence with attached 3 car garage and covered patio - remodel first floor kitchen/breakfast great room and living room. remodel second floor primary suite and secondary bathrooms. new windows and doors throughout. replacement windows 75 sf or more and new windows must have a shgc value of 23 and a u-value of 30 to meet state of california e... see more
Valuation:
$400,000
Permit #:
BLD-2024-01914
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) room addition for single story residence. rev 7/24/26 change wording on s-1 sheet foundation plan: new level concrete slab over existing concrete slab and replaced with new foundation slab on grade
Valuation:
$150,000
Permit #:
BLD-2025-01183
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel and addition on 1st floor. adding 193 sq. ft. to kitchen and family room 42 sq. ft. to dining room new kitchen adding new windows/doors to addition. all new windows must have a solar heat gain coefficient value of 23 or less and a u-value of.30 or less to meet state of california energy requirements. 7/9/2024 - revisions submited with strc eng/calc's
Valuation:
$35,000
Permit #:
BLD-2023-09557
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Panel upgrade 110 a to 225 a. and restucco house 3363 sf home - all exterior walls. stucco finish 7/8"portland cement plaster over paper backed metal lath with 16 ga stapled @ 6 oc typ. stucco to be smooth finish w integral color. typical note: (may substitute tyrek stucco wrap paper in lieu of building paper install per tyrek specifications). use double layer building paper where stu... see more
Valuation:
$12,000
Permit #:
BLD-2024-00319
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for interior remodel and addition on 1st floor. adding 193 sq. ft. to kitchen and family room 42 sq. ft. to dining room new kitchen adding new windows/doors to addition. all new windows must have a solar heat gain coefficient value of 23 or less and a u-value of.30 or less to meet state of california energy requirements. revision 5/17/23: pex repipe and additional plumbing fi... see more
Valuation:
N/A
Permit #:
PLM-2023-01373
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical for interior remodel and addition on 1st floor. adding 193 sq. ft. to kitchen and family room 42 sq. ft. to dining room new kitchen adding new windows/doors to addition. all new windows must have a solar heat gain coefficient value of 23 or less and a u-value of.30 or less to meet state of california energy requirements
Valuation:
N/A
Permit #:
MEC-2023-01402
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical for interior remodel and addition on 1st floor. adding 193 sq. ft. to kitchen and family room 42 sq. ft. to dining room new kitchen adding new windows/doors to addition. all new windows must have a solar heat gain coefficient value of 23 or less and a u-value of.30 or less to meet state of california energy requirements
Valuation:
N/A
Permit #:
ELE-2023-01628
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroof (3150 sq. ft.). remove existing (concrete tile) roof covering. apply (1 layer of 40lb felt) underlayment over existing wood deck. apply new class a rated (concrete tile) roof covering. icc esr-1388. note: the minimum slope on a flat roof shall be ¼” per foot. a sample shall be made available to the inspector for weight comparison
Valuation:
$3,150
Permit #:
BLD-2024-00318
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing oberhaus-2 story remodel: addition (same footprint of loft) to expand dormers 802 sf patio/deck rear 59 sf entry porch 85 sf arbors. 40 amp ev charger
Valuation:
$388,125
Permit #:
PLM-2023-00296
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical: oberhaus-2 story remodel: addition (same footprint of loft) to expand dormers 802 sf patio/deck rear 59 sf entry porch 85 sf arbors. 40 amp ev charger
Valuation:
$388,125
Permit #:
MEC-2023-00280
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Oberhaus-2 story remodel: addition (same footprint of loft) to expand dormers 802 sf patio/deck rear 59 sf entry porch 85 sf arbors. 40 amp ev charger
Valuation:
$388,125
Permit #:
BLD-2023-07509
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Oberhaus-2 story remodel: addition (same footprint of loft) to expand dormers 802 sf patio/deck rear 59 sf entry porch 85 sf arbors. 40 amp ev charger
Valuation:
$388,125
Permit #:
ELE-2023-00355
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Attached adu 546 sq. ft 1 bed/1bath
Valuation:
$200,000
Permit #:
BLD-2025-00148
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel including removal of a load bearing wall and soffit move ducting registers. mep's under separate permits
Valuation:
N/A
Permit #:
PLM-2025-00350
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel including removal of a load bearing wall and soffit move ducting registers. mep's under separate permits
Valuation:
N/A
Permit #:
MEC-2025-00292
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel including removal of a load bearing wall and soffit move ducting registers. mep's under separate permits
Valuation:
N/A
Permit #:
ELE-2025-00653
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel including removal of a load bearing wall and soffit move ducting registers. mep's under separate permits
Valuation:
N/A
Permit #:
BLD-2025-00764
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for new attached patio cover and deck above 500 sq. ft with electric. direct vent fireplace and bbq center
Valuation:
N/A
Permit #:
PLM-2025-00396
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical for new attached patio cover and deck above 500 sq. ft with electric. direct vent fireplace and bbq center
Valuation:
N/A
Permit #:
ELE-2025-00726
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(eplan) mechanical for remodel - remove post in kitchen replace existing window with new sliding glass door. repair replace existing landing for new door. install new gas line for new gas stove
Valuation:
$8,000
Permit #:
MEC-2023-00659
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Projects
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mc Master and Sons Construction License info
Verified License
| License # | NAT-F230621-1 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mc Master and Sons Construction at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1033151 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mc Master and Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 467897 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Mc Master and Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
81
Permits
- Building permit records show that Mc Master and Sons Construction has worked on 81 permitted projects.
Mc Master and Sons Construction Employees
DI
Donald Russell Mc Master Ii
Owner
JH
Jonathan James Hill
Officer
KM
Karen Lorraine Mc Master
Officer
Jon is an excellent contractor. They showed up on time, and did an excellent job on painting, and roof work for us. They are reasonable and I highly recommend.