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Location and Projects

Address
23300 Thurston Ct, Hayward, CA, 94541
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L7 Principal Development Construction

L7 Principal Development has been providing high quality general contracting services in the Bay Area since 1986. We are fully insured, bonded and licensed, and are LEED Certified Professionals. We specialize in a wide variety of contracting services including home additions, remodeling, home improvements, construction services and much more.

From BuildZoom: L7 Principal Development, 23300 Thurston Ct, Hayward, CA (Owned by: Renard Brown) holds a General Building license according to the California license board.

Their BuildZoom score of 96 ranks in the top 20% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring L7 Principal Development, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

L7 Principal Development Contact Information

Phone: (415) 990-2139
Address: 23300 Thurston Ct, Hayward, CA 94541

L7 Principal Development Reviews
2 out of 5 stars, based on 1 review

  • By Verified Client
    July 17, 2017
    Considered for Exterior Repairs/Remodeling

    Never submitted a real bid

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Building Permits by L7 Principal Development

Sort by: Notable Notable | Date Date | Job Value Job Value
Interior wall infill to separate tenants preparation for new tenant. electrical upgrade to install 2000amp service switchgear for building serving tenants
Valuation:
$455,000
Permit #:
B2019-01323
Status:
issued
Fee:
$22,823
Permit Type:
N/A
Building Type:
N/A
Repair of (e) windows on kearny & pine street floors 2-5. replacement of windows previously removed with new wood windows on st. george alley frontage
Valuation:
$100,000
Permit #:
201804196824
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Interior tenant improvement to expand bellwether coffee by 4 000 sf
Valuation:
$200,000
Permit #:
B2019-05512
Status:
canceled
Fee:
$11,692
Permit Type:
N/A
Building Type:
N/A
Suite 160. to remove and install some non-structural office walls to eliminate 2 rooms and create 2 new offices and one new conference room per plans. relocate one lite and hvac supply and return registers
Valuation:
N/A
Permit #:
BLD2015-03181
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior non-structural demolition new restrooms and modifications to existing mechanical electrical & plumbing
Valuation:
$85,000
Permit #:
B2021-02068
Status:
issued
Fee:
$400
Permit Type:
N/A
Building Type:
N/A
Building Permit
2015-07-30
Revison to 201500608 for foundation and roof changes
Valuation:
$0
Permit #:
201503471
Status:
ISSUED
Fee:
$385
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for new business including new offices confrence rooms breakroom restrooms; upgrage mep
Valuation:
N/A
Permit #:
BLD2016-00676
Status:
final
Fee:
$13,083
Permit Type:
N/A
Building Type:
N/A
Building Permit
2015-01-29
Renovate 1-story bldg, convert r-3 to 1-4 & b occupancyno new square footand, minor site work
Valuation:
$0
Permit #:
201400671
Status:
ISSUED
Fee:
$2,188
Permit Type:
N/A
Building Type:
N/A
Commercial remodel repair ma
2015-01-29
Renovate 1-story building convert r-3 to 1-4 & b occupancyno new square footand minor site work
Valuation:
$21,500
Permit #:
201400671
Status:
complete
Fee:
$2,188
Permit Type:
Commercial remode...
Building Type:
N/A
Residential remodel w/subs
2015-06-08
Remodel (e) single family residence from 2 bedroom 1 bathroom to 3 bedroom2 bathroom no new sq. footage ce14-3697 dbl fees
Valuation:
$65,000
Permit #:
201500608
Status:
final
Fee:
$5,100
Permit Type:
Residential remodel
Building Type:
N/A
Encroachment-major
2016-07-14
Brews & brats. removal of landscaping & providingoutdoor seating area
Valuation:
N/A
Permit #:
201601663
Status:
filed
Fee:
N/A
Permit Type:
Encroachment - major
Building Type:
N/A
Commercial alteration
2016-09-15
Garage/ti space# d125a
Valuation:
$165,000
Permit #:
B16-0740
Status:
final
Fee:
$5,590
Permit Type:
N/A
Building Type:
N/A
Revision permit
2015-07-30
Revison to 201500608 for foundation and roof changes
Valuation:
N/A
Permit #:
201503471
Status:
complete
Fee:
$385
Permit Type:
Revision permit
Building Type:
N/A
Brews & brats. removal of landscaping & providingoutdoor seating area
Valuation:
$0
Permit #:
201601663
Status:
REVIEWING
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Building new construction additions alterations or sign
2015-12-02
Tenant improvement for old republic title
Valuation:
$67,000
Permit #:
B152132
Status:
final
Fee:
$4,541
Permit Type:
Calt
Building Type:
N/A
Repair existing 400 sqft deck plus entry stairs
Valuation:
$9,500
Permit #:
BD15-0639
Status:
final
Fee:
$557
Permit Type:
Residence. Repair
Building Type:
N/A
Building revision to issued permit
2016-01-25
Revision to b152132 - removal of 30 sub panel
Valuation:
N/A
Permit #:
R16030
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvements & exterior entry doors stairs for bellwether coffee
Valuation:
$1,000,000
Permit #:
B2019-01047
Status:
expired
Fee:
$53,608
Permit Type:
N/A
Building Type:
N/A