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Location and Projects

Address
1671 EAST OCEAN AVENUE, Ventura, CA, 93001
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Williamson Construction Co Inc

Williamson Construction Co Inc, 1671 E Ocean Ave, Ventura, CA (Owned by: Michael Monroe Williamson) holds a General Building license and 4 other licenses according to the California license board.

Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Williamson Construction Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Williamson Construction Co Inc Services

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Williamson Construction Co Inc Contact Information

Phone: (310) 340-9058 Edit
Address: 1671 EAST OCEAN AVENUE, Ventura, CA 93001 Edit

Williamson Construction Co Inc Ventura

Quality

107
94th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Williamson Construction Co Inc has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.

Activity

1 project
2026
7 projects
2025
3 projects
2024
9 projects
2023
Our building permit records indicate that Williamson Construction Co Inc has worked on at least 20.0 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

7 projects
Commercial Renovations
Analyzing permits over the last 4 years shows that Williamson Construction Co Inc mostly works on commercial renovation projects.

Pricing

5 projects
< $5k
1 project
$5k-$20k
3 projects
$20k-$50k
2 projects
$50k-$100k
1 project
$100k-$250k
1 project
$250k-$500k
2 projects
$500k-$1mil
Value Not Public: 9.0 projects
The typical size of their permits is approximately $72,500. 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.

Building Permits by Williamson Construction Co Inc

Sort by: Notable Notable | Date Date | Job Value Job Value
*2025 wildfire eligible project**eplan* new 2-story single family dwelling with attached 2-car garage. nfpa 13d solar installation required to meet 3.41kw per title 24 prior to cofo
Valuation:
$336,000
Permit #:
25010-10000-01890
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Building commercial - tenant improvement
2024-05-15
482 sq ft tenant improvement. to include removal & replacement of ct scanner located at the imaging center on the first floor of st jude medical plaza; (n) casework with sink (n) led ceiling lights relocation of ceiling mounted injector boom replacement of chilled water-cooling system. electrical plumbing and mechanical under separate permits as per approved plans
Valuation:
$811,917
Permit #:
BLDC-2022-0032
Status:
expired
Fee:
$9,548
Permit Type:
N/A
Building Type:
N/A
Plumbing permit
2023-01-06
Tenant improvement - providence: remodel facade. renovate existing space into (4) tenant spaces - (3) spec spaces and (1) clinic area with waiting area and four exam rooms
Valuation:
$500,000
Permit #:
PLM21-01048
Status:
complete
Fee:
$365
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
2023-01-19
Tenant improvement - providence: remodel facade. renovate existing space into (4) tenant spaces - (3) spec spaces and (1) clinic area with waiting area and four exam rooms
Valuation:
$500,000
Permit #:
MEC21-00976
Status:
complete
Fee:
$252
Permit Type:
N/A
Building Type:
N/A
Electrical permit
2023-01-19
Tenant improvement - providence: remodel facade. renovate existing space into (4) tenant spaces - (3) spec spaces and (1) clinic area with waiting area and four exam rooms
Valuation:
$500,000
Permit #:
ELE21-01857
Status:
complete
Fee:
$604
Permit Type:
N/A
Building Type:
N/A
Building permit
2023-01-19
Tenant improvement - providence: remodel facade. renovate existing space into (4) tenant spaces - (3) spec spaces and (1) clinic area with waiting area and four exam rooms
Valuation:
$500,000
Permit #:
BLD21-02483
Status:
complete
Fee:
$24,255
Permit Type:
N/A
Building Type:
N/A
Structural tenant improvement for commercial medical office. work inlcudes interior demolition interior patitions suspend ceilings millwork combine suite 101 & 103 and new storefront system. no change in existing use or occupancy. see comments
Valuation:
$492,000
Permit #:
18016-10000-11723
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
(eplan) unit 305 - tenant improvement - new lighting systemn in new offices and undercabinet lights in (e) offices. this includes receptacle layout and associated wiring
Valuation:
$30,000
Permit #:
BS2302531
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial tenant improvement
2023-03-09
2, 424 sqft commercial tenant improvement inside of an existing building.#
Valuation:
$500,000
Permit #:
BS2113308
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
Medical
Building permit
2025-11-21
Remove and replace 100 sf roofing 400 sf drywall 1200 sf insulation (drywall and insulation in ceilings throughout) 7 outlets new electrical wiring and new furnace for existing residence built in 1984
Valuation:
$1,475
Permit #:
BLD-2025-62352
Status:
final
Fee:
$323
Permit Type:
Residential
Building Type:
N/A
Plumbing permit
2024-01-03
Ten imp made by meg - renovate spec space to create a catering business space with commercial kitchen on the 1st level & offices on the 2nd floor
Valuation:
N/A
Permit #:
PLM22-00942
Status:
final
Fee:
$1,411
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
2024-03-13
Ten imp made by meg - renovate spec space to create a catering business space with commercial kitchen on the 1st level & offices on the 2nd floor
Valuation:
N/A
Permit #:
MEC22-00923
Status:
complete
Fee:
$582
Permit Type:
N/A
Building Type:
N/A
Electrical permit
2024-02-05
Ten imp made by meg - renovate spec space to create a catering business space with commercial kitchen on the 1st level & offices on the 2nd floor
Valuation:
N/A
Permit #:
ELE22-01886
Status:
final
Fee:
$1,272
Permit Type:
N/A
Building Type:
N/A
Building permit
2022-12-15
Ten imp made by meg - renovate spec space to create a catering business space with commercial kitchen on the 1st level & offices on the 2nd floor
Valuation:
N/A
Permit #:
BLD22-02326
Status:
final
Fee:
$36,194
Permit Type:
N/A
Building Type:
N/A
Building permit
2025-09-04
Remove and replace 100 sf roofing 7 outlets and new elc wiring 400 sf drywall 1000 sf insulation and new furnace for existing residence built ???
Valuation:
N/A
Permit #:
BLD-2025-62351
Status:
canceled
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Unit 105 - interior soft demp (no sturctural no exterior work) - inlcudes minor electrical mechanical & plumbing removal
Valuation:
$40,000
Permit #:
BS2503606
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial low gen
Unit 105 - interior soft demp (no sturctural no exterior work) - inlcudes minor electrical mechanical & plumbing removal
Valuation:
$40,000
Permit #:
BS2503605
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial low gen
Unit 105 - interior soft demp (no sturctural no exterior work) - inlcudes minor electrical mechanical & plumbing removal
Valuation:
$40,000
Permit #:
BS2503604
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial low gen
Unit 105 - interior soft demp (no sturctural no exterior work) - inlcudes minor electrical mechanical & plumbing removal
Valuation:
$40,000
Permit #:
BS2503603
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial low gen
Bldg-alter/repair
2023-11-17
Exisiting medical office tenant improvement project at suite 401 located on the fourth floor. approximate area of work is 67 sf all interior partitions are non-load bearing
Valuation:
$20,000
Permit #:
23016-10000-00489
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A

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