Updated: Jun 26, 2026
Location and Projects
Address
21001 SAN RAMON VALLEY BLVD A4-154, San Ramon, CA, 94583
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Gentz Construction Inc
Based in San Ramon, Gentz Construction Inc serves clients throughout the East Bay, including Walnut Creek, Pleasanton, Danville, and Alamo. The company specializes in custom home construction, kitchen and bathroom remodels, home additions, and major renovations for residential properties. Portfolio highlights include contemporary whole-home remodels, open-concept kitchen renovations, and spa-inspired bathroom upgrades, with a focus on modern layouts and high-end finishes. Gentz Construction also manages exterior projects such as deck construction, outdoor living spaces, and hardscaping. The firm works directly with homeowners and coordinates with architects and designers to execute projects from initial planning through completion. Over its 23 years in business, Gentz Construction Inc has demonstrated expertise in managing complex residential builds across a range of architectural styles found in the Tri-Valley area.
Gentz Construction Inc Services
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Gentz Construction Inc Contact Information
Phone Number: (925) 570-1242
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Address: 21001 SAN RAMON VALLEY BLVD A4-154, San Ramon, CA 94583
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Building Permits by Gentz Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel remove (3) non-load bearing walls to open area addition new island with new gfci outlet reduce size of existing kitchen window from (6'-0 x 5'-0") to a new bay window sized at (5'-0 x 46"). run dedicated gas line from meter to cooktop 3/4 35ft galvanized 50k btu's addition (9) new led recessed lights wire (2) new 20 amp circuits at countertops new 20amp circuit for mic... see more
Valuation:
$50,000
Permit #:
B18-2338
Status:
final
Fee:
$744
Permit Type:
N/A
Building Type:
N/A
Remodel two bathrooms: remove and replace cabinets countertop plumbimng fixtures electrical fixtures lighting fan flooring (like for like layout)
Valuation:
$10,000
Permit #:
BLDG-2019-00676
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Partial kitchen remodel per plans. relocate exisitng gas range and refrigerator. swap locations replumbing and extend gas line. run new exhaust duct. electric and drywall patch
Valuation:
N/A
Permit #:
BIAL19-001071
Status:
final
Fee:
$745
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen w pem
Valuation:
$75,000
Permit #:
B19-014193
Status:
final
Fee:
$2,110
Permit Type:
N/A
Building Type:
N/A
Replace seven (7) windows with new nail on fin style flash and repair siding. (like for like size)
Valuation:
$8,000
Permit #:
BLDG-2017-02298
Status:
final
Fee:
$222
Permit Type:
N/A
Building Type:
N/A
Master bathroom shower remodel only: new pan replumbing new marble panels with frameless glass
Valuation:
N/A
Permit #:
BIAL18-005436
Status:
final
Fee:
$471
Permit Type:
N/A
Building Type:
N/A
Gas pressure test
Valuation:
N/A
Permit #:
P20-0004
Status:
final
Fee:
$71
Permit Type:
C-code
Building Type:
N/A
Convert existing loft into 4th bedroom at second floor. work to include new closet wall door and electrical for (n) fan and light/outlet
Valuation:
$7,000
Permit #:
BLDG-2018-00883
Status:
final
Fee:
$403
Permit Type:
N/A
Building Type:
N/A
Remodel 16'-6 x 16'-3 (268 sf) kitchen per approved plans:1) to remove wall install 4x12 header supporting ceiling loads only creating an 11 wide opening between the kitchen and dining room. 2) remove french door and install single door. 3) install new lites cabinets appliances etc
Valuation:
N/A
Permit #:
BLD2012-02445
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Accessibility retrofit - master bathroom remodel doorways kitchen remodel bedroom conversion to workout room. exterior ramp at front of house. covered deck with ramp at back of house and pool hoist
Valuation:
$74,557
Permit #:
D150192
Status:
final
Fee:
$874
Permit Type:
Add/alter single ...
Building Type:
N/A
Remove existing cover; install detached sloped covered roof patio cover. new columns
Valuation:
$14,000
Permit #:
D141585
Status:
final
Fee:
$372
Permit Type:
Add/alter single ...
Building Type:
N/A
Remodel hall bathroom 72 sq ft - upgrade all trades to current code standard
Valuation:
N/A
Permit #:
BLD2014-02468
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hall bathroom remodel 38 sq. ft. replace shower toilet and vanity. move door and reframe existing opening (closing it off). adding pocket door
Valuation:
N/A
Permit #:
BLD2013-02470
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove partial kitchen and dining room wall. install 2 support beams relocate electrical subpanel. replace ducts
Valuation:
N/A
Permit #:
BLD2012-01918
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom and upstairs hall bathroom per plans
Valuation:
N/A
Permit #:
BIAL16-009411
Status:
final
Fee:
$1,271
Permit Type:
N/A
Building Type:
N/A
Replace 11 windows two windows to be narrowed by 2 to miss existing metal post rest with same sizes all windows in same locations
Valuation:
$10,000
Permit #:
BIAL11-002445
Status:
final
Fee:
$460
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel (n) exhaust fan (n) 20 gfic (rh) (n) shower tile/walls pan to remain
Valuation:
N/A
Permit #:
B18-01212
Status:
final
Fee:
$581
Permit Type:
Alteration/renova...
Building Type:
N/A
(e)sfd: kitchen remodel & expand rear deck (8' high) and replace kitchen windows,replace rear door with slider.
Valuation:
$40,000
Permit #:
RB0602414
Status:
final
Fee:
$1,937
Permit Type:
N/A
Building Type:
N/A
Building new construction additions alterations or sign
2008-12-18
Minor electrical lighting sub panel upgrade drywall addition wall for laundry plumbing for laundry new shower
Valuation:
$8,000
Permit #:
B081469
Status:
final
Fee:
$417
Permit Type:
Ralt
Building Type:
N/A
Per inspector request: provide special inspection (welding) for work under appl#200503046821 and #200602033763
Valuation:
$5,000
Permit #:
200608169630
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
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Gentz Construction Inc License info
Verified License
| License # | 336930 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gentz Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F113613-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 Gentz Construction Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
37
Permits
- Building permit records show that Gentz Construction Inc has worked on 37 permitted projects.
Gentz Construction Inc Employees
PG
Paul Albert Gentz
Sole Owner
RG
Robin Marie Gentz
Officer