Updated: Jun 04, 2026
Location and Projects
Address
1406 BARBIS WAY, Concord, CA, 94518
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RaLPh Lammers Construction Inc
Based in Concord, RaLPh Lammers Construction Inc has served Contra Costa County for over three decades. The company specializes in residential construction and remodeling projects, with a portfolio that includes custom home builds, kitchen and bathroom renovations, and home additions. RaLPh Lammers Construction works with homeowners across Concord and neighboring communities in the East Bay, managing projects from initial design through completion. Their approach encompasses structural work, interior and exterior upgrades, and the integration of modern materials and finishes. The firm’s experience spans a wide range of property types, including single-family homes and multi-unit residences. With over 30 years in the construction industry, RaLPh Lammers Construction Inc applies a deep understanding of local building codes and construction standards to every project.
RaLPh Lammers Construction Inc Services
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RaLPh Lammers Construction Inc Contact Information
Phone Number: (925) 352-7099
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Address: 1406 BARBIS WAY, Concord, CA 94518
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Building Permits by RaLPh Lammers Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel. replace kitchen cabinets remove sliding glass door and install 2 new windows in kitchen. update electrical as needed
Valuation:
$10,000
Permit #:
B190351
Status:
final
Fee:
$491
Permit Type:
N/A
Building Type:
N/A
Residental alteration: convert bathroom to a closet, bedroom to a bathroom, and remove wall (200 sq ft)
rev #1 br14023- convert (e)bedroom into bathroom # 2..this will make this house a 1 bedroom- 2 bath house (preparing for a future addition)
Valuation:
$25,000
Permit #:
B140313
Status:
final
Fee:
$991
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen (replace cabinets/countertops, install new led recessed lights & new gas range vent (existing gas line)), & replace wall heater;
inspection in response to a stop work issued on 10/29/12 by mike peschl, building inspector, for remodeling the kitchen without permits. kitchen is gutted (no cabinets/sink/or appliances)
Valuation:
$10,000
Permit #:
BP12002954
Status:
final
Fee:
$1,039
Permit Type:
N/A
Building Type:
N/A
Repairs due to fire damage from oct. 2012. kitchen/dining room repairs down to framing approx. 400 sq. ft. sheetrock replace cabinets replace floor tile repair lighting and electric
Valuation:
N/A
Permit #:
BLD2012-02661
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mstbth subfloor repair; family room alteration (enclose window on rightside of room to create book case unit); back windows in fmly room to be replace with 6 x 4 casement window; remove 2 skylight (fill in and reroof this area only) miscellaneous electrical and addition canned lights; addition wall air conditioning unit (hard wired)
Valuation:
$20,000
Permit #:
BP09002520
Status:
final
Fee:
$554
Permit Type:
N/A
Building Type:
N/A
Interior bathroom remodel: change lights sink vanity top toilet change layout of bathtub and addition shower enclosure per plans
Valuation:
N/A
Permit #:
BIAL14-007404
Status:
final
Fee:
$568
Permit Type:
N/A
Building Type:
N/A
Remodel bathroom remove tub replace with shower replace vanity sink replace fan space heater and lights repair or replace soffit around the house as required
Valuation:
N/A
Permit #:
BIAL12-006437
Status:
final
Fee:
$1,063
Permit Type:
N/A
Building Type:
N/A
Complete kitchen remodel & remove walls between kitchen, living room & entry, can lighting in kitchen, family room and 1 subpanel 100 amp
Valuation:
$20,000
Permit #:
B141837
Status:
final
Fee:
$786
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel bathroom remodel rewire whole house replace sheetrock in few areas replace water heater replace wall heaters. addendum 09/15/09 replace 3 windows 1 in kitchen 2 dining room upgrade electrical panel to 200 amp
Valuation:
$20,000
Permit #:
BP09001811
Status:
final
Fee:
$785
Permit Type:
N/A
Building Type:
N/A
Remove lath and plaster drywall in kind. water damage repair. revision to permit #201204138285. remove windows replace in kind. install new siding & trim @ rear building. not visible from street
Valuation:
$14,000
Permit #:
201206112308
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace hall bth shower only (new tile walls; new shower pan; new valve)
new vanity (no plumbing changes) -- this is the only bthrm in dwelling unit
Valuation:
$3,500
Permit #:
BP12002505
Status:
final
Fee:
$636
Permit Type:
N/A
Building Type:
N/A
Mstbth remodel (tile shower; new pan; new valve; replace dual fan/light; new vanity w/ light bar; gfci to code; occ sensor switch
Valuation:
$10,000
Permit #:
BP12002506
Status:
final
Fee:
$516
Permit Type:
N/A
Building Type:
N/A
Rev # 1- change bedroom 3 to into a bathroom- this makes this house a 1 bedroom 2 bathroom house
Valuation:
$0
Permit #:
BR14023
Status:
Applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of racking for synnex
Valuation:
$363,437
Permit #:
17-2027
Status:
final
Fee:
$4,941
Permit Type:
Commercial
Building Type:
N/A
Addition demising wall in detached garage to create workshop area install pull down stairs in garage area sub panel eleven 120 v. outlets nine light fixtures and five switches
Valuation:
$10,000
Permit #:
D060592
Status:
final
Fee:
$277
Permit Type:
Asfr
Building Type:
N/A
Interior remodel to hall bathroom and masterbathroom per plans
Valuation:
N/A
Permit #:
BIAL13-008563
Status:
final
Fee:
$1,208
Permit Type:
N/A
Building Type:
N/A
Remove lath and plaster replace drywall. all work in kind at 1st floor for water damage repair. rear building
Valuation:
$8,000
Permit #:
201204138285
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Demolition of existing building
Valuation:
$60,000
Permit #:
B2019-01202
Status:
final
Fee:
$3,495
Permit Type:
N/A
Building Type:
N/A
Replace existing sewer pipe under kitchen and living floor
Valuation:
N/A
Permit #:
PL14-0120
Status:
applied
Fee:
N/A
Permit Type:
Single family res...
Building Type:
N/A
T/o bitamin and build a new pitched roof 4/12- reoof w/ comp shingles 12 sq
Valuation:
$20,000
Permit #:
BP12003020
Status:
final
Fee:
$810
Permit Type:
N/A
Building Type:
N/A
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RaLPh Lammers Construction Inc License info
Verified License
| License # | 667467 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for RaLPh Lammers Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 667467 |
| Status | Active |
| City | Vallejo |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of RaLPh Lammers Construction Inc with the The City of Vallejo, CA
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
46
Permits
- Building permit records show that RaLPh Lammers Construction Inc has worked on 46 permitted projects.
RaLPh Lammers Construction Inc Employees
BK
Brandon Norman Kerbs
Officer
LL
Lesley Joy Withers Lammers
Officer
WI
Walter Ralph Lammers Iii
Rmo/Ceo/Pres