Updated: Dec 18, 2025
Location and Projects
Address
130 Magellan St, Thousand Oaks, CA, 91360
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Cox, Steven Jeffrey Construction
Serving the Thousand Oaks area for nearly three decades, Steven Jeffrey Cox offers extensive experience in residential construction and remodeling. Based in Thousand Oaks, he provides services to homeowners throughout surrounding Ventura County communities. With a portfolio that includes a range of residential projects, Cox specializes in home renovations, remodels, and additions. Clients turn to Cox for guidance on projects such as kitchen and bathroom makeovers, interior upgrades, and structural alterations tailored to each property. Drawing on 29 years in the construction industry, Cox brings seasoned knowledge of local building practices and codes. His longstanding presence in the area has allowed him to work on homes of various styles and ages, adapting his approach to meet the needs of each space and project scope.
Cox, Steven Jeffrey Services
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Cox, Steven Jeffrey Contact Information
Address: 130 Magellan St, Thousand Oaks, CA 91360
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Cox, Steven Jeffrey Thousand Oaks
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cox, Steven Jeffrey has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
29 projects
|
2025 |
|
29 projects
|
2024 |
|
25 projects
|
2023 |
Our building permit records indicate that Cox, Steven Jeffrey has worked on at least
83.0 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
|
23 projects
|
New Constructions |
|
21 projects
|
Home Additions |
|
8 projects
|
Multi-room remodels |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Cox, Steven Jeffrey mostly works on
new construction
and home addition
projects.
Pricing
|
25 projects
|
< $5k |
|
19 projects
|
$5k-$20k |
|
15 projects
|
$20k-$50k |
|
15 projects
|
$50k-$100k |
|
17 projects
|
$100k-$250k |
|
8 projects
|
$250k-$500k |
|
3 projects
|
$500k-$1mil |
|
8 projects
|
$1mil+ |
The typical size of their permits is approximately $20,140. 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.
[eplan] supplemental ref: 13010-10011-01331 alerations of dwelling for changes to finishes and floor plan. enclose patio area living room by relocating glass partition. extend roof deck to cover additional dwelling area. new spiral staircase from bedroom to roof deck. changes to basement to increase storage areas. (**correct structural inventory**)
Valuation:
$1,000,000
Permit #:
13010-10012-01331
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan 1. new 2nd floor attached adu and new storage (below stairs). conversion of portion of existing 2 car garage into new wine room 1 stall remain. facade remodel with new windows. replace existing spanish tile roof with new standing seam metal roof
Valuation:
$400,000
Permit #:
24014-10000-00126
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: supplemental to 13010-30000-01331 for changes to dwelling floor plan. changes to interior stairs. revisions to roof plan for changes to roof material and roof deck
Valuation:
$150,000
Permit #:
13010-10016-01331
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story single family dwelling with attached garage fire sprinkler ---1 of 4---
Valuation:
$3,500,000
Permit #:
24010-30000-04916
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 1-story single family dwelling per sb9 two-unit development ca govt code 65852.21. nfpa 13d fire sprinklers throuhout
Valuation:
$350,000
Permit #:
25010-20000-00680
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed (n) adu per lamc 12.22(c) and (d) over (n) garage located at n/w corner of property. demolish 168 sf of (e) rear deck
Valuation:
$150,000
Permit #:
22010-30000-02388
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) irr. shaped __ x ___ two-story single family dwelling over basement with attach 6-car garage attach accessory dwelling unit [per lamc 12.22 a.33(c) and (e)] attach. deck & structural driveway; nfpa-13d thru-out
Valuation:
$2,250,000
Permit #:
23010-20000-04500
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 16010-30000-03318 to complete work done under previously expired permit #16010-30000-03318. work is 80 % complete (minimum 75% percent completed as determined by inspection)
Valuation:
N/A
Permit #:
16010-10002-03318
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove covered patio (380 sf) roof and columns and addition a new 26'-6 x 12'-10 patio cover (428 sf) to the rear of the (e) single family dwelling. new 9'-5 7/16 x 5'-3 1/2 single family addition(50 sf). remodel existing single family dwelling. raise ceiling height of (e) living room kitchen and bathroom. work done per engineer design
Valuation:
$100,000
Permit #:
24014-10000-00580
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan major remodel of existing single family dwelling with attached garage. new 2nd story addition. to be fully sprinklered nfpa 13d
Valuation:
$281,000
Permit #:
24014-20000-01881
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) detach accessory building. consist of (17'x158') patio trellis with (7'x13.58') full bathroom for sw. pool. note: the patio trellis covered the proposed sw. pool/spa <<sprinklers req'd for bathroom room>>
Valuation:
$125,000
Permit #:
16010-20000-04427
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition and remodel to (e) 2-story single family dwelling with attached 2-car garage and basement. nfpa 13r
Valuation:
$400,000
Permit #:
24014-10000-02243
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Habitable space and trellis addition to (e) single family dwelling convert attached garage and portion of (e) single family dwelling to junior accessory dwelling unit per gcs 65852.2(e)(1)(a) and 65852.22
Valuation:
$100,000
Permit #:
24014-20000-02725
Status:
complete
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
[eplan] supplemental ref: 13030-30000-02393 for revisions to areas along elevated driveway and retaining walls. (*no import or export as part of scope*)
Valuation:
$100
Permit #:
13030-10003-02393
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental ref. permit 13010-30000-01331 for revisions to resolve order to comply (mpo31522-883-1): expanding basement level to addition storage areas and reduce garage area. revisions to building envelope. minor revisions to interior floor plan and framing details. supplemental to 13010-30002-01331 to correct inventory building height to match previously approved plans (**see comme... see more
Valuation:
$150,000
Permit #:
13010-10011-01331
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1.) supplemental to 14010-30000-03040 for change of address and legal and change of use from a.l.q. to (n) single family dwelling w attached garage due to lot line adjustment. 2.) revisions and addition to structure. 3.) revise structural inventory
Valuation:
$500,000
Permit #:
14010-10001-03040
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan supplemental permit to #19010-10000-04124 to capture changes to single family dwelling including new tree well revisions to deck roof framing and extension of the basement wall. new structural detail for beam web openings
Valuation:
$10,000
Permit #:
19010-10012-04124
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: supplemental permit ref 13010-30000-01329 to extend alq deck and addition paddle court with sports court. to be enclosed with min 10ft enclosure. no changes to foundation of existing deck
Valuation:
$55,000
Permit #:
13010-10004-01329
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 21010-20000-01339 to revise structural plans and framing and revise title 24 all work per engineering
Valuation:
$501
Permit #:
21010-20005-01339
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert portion of (e) single family dwelling with with 32'-3 x 35'-9 irregular shaped addition into accessory dwelling unit per lamc 12.22a.33(c) & (e) w 5'-4 x 13'-1 patio cover addition
Valuation:
$82,000
Permit #:
23014-20000-02267
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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BZ Score
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BZ Score
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Projects
Recent Buildzoom Projects
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Cox, Steven Jeffrey License info
Verified License
| License # | CAC48940 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Cox, Steven Jeffrey at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
336
Permits
- Building permit records show that Cox, Steven Jeffrey has worked on 336 permitted projects.
I recommend Steve cox engineering