License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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TT CONSTRUCTION AND ENGINEERING INC
- License Number
- 754446
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 3527 MT DIABLO BLVD #301 LAFAYETTE, CA, 94549 Contra Costa County
- Phone
- (925) 932 0689
License Dates
Issued
09/24/1998
Expires
09/30/2026
Expires in 6 months — verify renewal before long contracts
CSLB Last Updated
09/30/2025
License Classifications
Personnel & Officers
THORENFELDT KIM TROELS
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: HUDSON INSURANCE COMPANY
Bond #30142609
Effective: 07/14/2024
Workers' Compensation
Carrier: STATE COMPENSATION INSURANCE FUND
Policy #9024419
Effective: 10/01/2020
Expires: 10/01/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
2010 Lyon St, 94115
to obtain final inspection for work approved under pa#200604189238. all work is complete.
$1
2011-05-25
additions alterations or repairs
111 Santa Paula Av, 94127
enclose 2nd floor balcony by adding space to (e) adjoining room
$50,000
2009-09-17
otc alterations permit
35 Rockwood Ct, 94127
remodel master bedrm and bath on upper fl; install beams and posts where walls are removed or altered; replace front window sash to match existing; repair rear window sash and frame (smaller unit)
$80,000
2009-06-23
otc alterations permit
44 Elsie St, 94110
revision to app.#200809161749. shearwall revision @ ground level.
$1
2009-02-11
additions alterations or repairs
44 Elsie St, 94110
interior remodeling, renovate kitchen and family room w/supporting electrical changes, renovate bathroom, change & increase size of 4 windows @ main floor and basement. seismic improvements @ main flo
$125,000
2008-12-17
otc alterations permit
539 14th Av, 94118
replace existing toilet, tub, shower fixts, sink w/ new in place(on extng place). replace extng tile w/ new tile(work done on unit#a) electrical done would be on diff. permit w/ diff elect. contractor
$15,000
2008-01-07
otc alterations permit
355 Melrose Av, 94127
add hot tub add raised concrete pad retaining wall
$5,000
2000-09-12
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.