Updated: May 04, 2026
Location and Projects
Address
3381 MT DIABLO BLVD, Lafayette, CA, 94549
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Kunz & Wendt Builders Construction
Serving homeowners throughout Lafayette and the surrounding areas, Kunz & Wendt Builders specializes in residential construction and remodeling projects. With 17 years in the building industry, the company handles new home construction, full-scale home renovations, kitchen and bath remodels, and additions. Their portfolio includes custom homes suited to a range of architectural styles, as well as major remodels that update floor plans and enhance living spaces. Kunz & Wendt Builders takes a comprehensive approach, managing projects from initial planning through final construction. They work with single-family homeowners seeking to modernize or expand their properties in Lafayette and neighboring communities. The firm emphasizes transparent communication with clients at each stage of a project, coordinating with architects, designers, and trade professionals as needed to achieve the homeowner’s vision.
Kunz & Wendt Builders Services
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Kunz & Wendt Builders Contact Information
Phone Number: (925) 283-3128
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Address: 3381 MT DIABLO BLVD, Lafayette, CA 94549
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Kunz & Wendt Builders Lafayette
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kunz & Wendt Builders has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
3 projects
|
2023 |
Our building permit records indicate that Kunz & Wendt Builders has worked on at least
3.0 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
|
3 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Kunz & Wendt Builders mostly works on
multi-room remodel
projects.
Pricing
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
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.
Building Permits by Kunz & Wendt Builders
This is a sample of this contractor's permits. Click here to access their complete permit history.
We will demolish existing 530 sq ft garage. we are adding a new garage a new office and bathroom. we are remodeling laundry room and master bathroom. new roof over addition/remodel to match existing composition roof. there will be foundation work electrical plumbing framing insulation sheetrock siding and flooring. staying with single story
Valuation:
$525,000
Permit #:
BISUB22-00076
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
242 sf addition and 39 sf conversion of garage to existing single family residence. 82 sf porch addition. remodel existing kitchen (2) bathrooms addition (1) new powder room in existing living space
Valuation:
$300,000
Permit #:
BIAD23-003188
Status:
issued
Fee:
$8,296
Permit Type:
N/A
Building Type:
N/A
Whole house remodel and 529 sf addition to existing single-family residence
Valuation:
N/A
Permit #:
BIAD23-011912
Status:
issued
Fee:
$17,795
Permit Type:
N/A
Building Type:
N/A
Interior remodel of kitchen and family room. new roof construction at gable ends. existing hipped gables changed to full gable with vaulted ceilings
Valuation:
$150,000
Permit #:
BIAL23-008197
Status:
issued
Fee:
$4,072
Permit Type:
N/A
Building Type:
N/A
Building/residential/mir/miscellaneous residential
2023-10-31
Retaining wall extending from rear of bedroom beyond main footprint
Valuation:
N/A
Permit #:
BIMIR23-012763
Status:
expired
Fee:
$1,587
Permit Type:
N/A
Building Type:
N/A
85 sf addition and remodel of existing detached garage shop space
Valuation:
N/A
Permit #:
BIAU23-011913
Status:
expired
Fee:
$3,507
Permit Type:
N/A
Building Type:
N/A
148 sf family room addition and attached 444sf covered porch
Valuation:
$250,000
Permit #:
BIAD22-011810
Status:
expired
Fee:
$7,037
Permit Type:
N/A
Building Type:
N/A
436 sq ft addition for master bedroom master bathroom and bath2. remodel of existing residence bathroom 3 in rear hall 8/10/21 revision to addition skylights in place of sun tunnels and additional 16 sf of bathroom #2 jcollignon/fwiseputra
Valuation:
N/A
Permit #:
BIAD21-006275
Status:
final
Fee:
$7,527
Permit Type:
N/A
Building Type:
N/A
Family room addition and attached covered porch
Valuation:
$250,000
Permit #:
BISUB22-03479
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of 66 sq ft for new mud room that connects the house to the garage; interior remodel to include kitchen living room and family room **12/10/19 revision to remove mud room from scope of work. the garage will no longer be connected to home. cm** 2/1/2021 permit renewal fee paid for final lma
Valuation:
N/A
Permit #:
BIAD19-006173
Status:
final
Fee:
$8,178
Permit Type:
N/A
Building Type:
N/A
Building/residential/r/new single family-duplex
2021-07-27
New 3454 sqft single family residence 91 sqft entry porch 445 sqft rear porch. 4/26/2022 revision- adding 75 sqft conditioned space at rear and minor interior revision. lma/lw 7/26/2022 truss calc review lma/lw
Valuation:
N/A
Permit #:
BIR21-008789
Status:
final
Fee:
$22,817
Permit Type:
N/A
Building Type:
N/A
Building/residential/crc/recreation conditioned building
2018-02-28
New conditioned recreation building 1 597 sqft with max. height 17. 588 sqft covered porch and outdoor kitchen with sink. new electrical meter ok to be installed per lafayette planning and building official (tjh)
Valuation:
N/A
Permit #:
BICRC18-002050
Status:
final
Fee:
$2,669
Permit Type:
N/A
Building Type:
N/A
Demolish existing single family residence 1847 sqft. j# asb124675
Valuation:
$650,000
Permit #:
BID21-013540
Status:
final
Fee:
$369
Permit Type:
N/A
Building Type:
Residential
14 sqft addition and kitchen remodel remodel and reconfigure master bathroom/closet. remove shower on first floor bathroom. window modifications.28/2020 revision - adding/revising windows - revised t24 report
Valuation:
N/A
Permit #:
BIAD19-013432
Status:
final
Fee:
$5,629
Permit Type:
N/A
Building Type:
N/A
Approx 1200sf addition to existing 1753sf single family residence and related hvac and electrical. adding 1 bedroom 2 baths relocating kitchen
Valuation:
N/A
Permit #:
BIAD19-013168
Status:
final
Fee:
$11,306
Permit Type:
N/A
Building Type:
N/A
New front and rear covered porches. additions totaling 133 sq ft. remodel existing kitchen master bedroom library and 3 bathrooms. addition new upstairs bathroom 2/16/22 revision to scope: install new garage door remove rear trellis remove rear porch briee and chimney. rear porch roof change from hip to gable. all new windows. jcollignon
Valuation:
N/A
Permit #:
BIAD21-007332
Status:
final
Fee:
$13,387
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel: remove one bay window and replace with two windows
Valuation:
N/A
Permit #:
BIAL21-000696
Status:
final
Fee:
$1,800
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel to include removal of garden window and replace with standard window. addition new can lights in liv. room family. room and kitchen
Valuation:
N/A
Permit #:
BIAL18-004270
Status:
final
Fee:
$4,254
Permit Type:
N/A
Building Type:
N/A
Turning 1 full bathroom & a closet into 1 full bathroom and 1 half bathroom
Valuation:
$36,400
Permit #:
BISUB22-00493
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel/addition to existing poolhouse
Valuation:
$60,000
Permit #:
BISUB21-01637
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Kunz & Wendt Builders License info
Verified License
| License # | 1067852 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Partnership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Kunz & Wendt Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 930839 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Partnership |
- According to the California Contractors State License Board, 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 Kunz & Wendt Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
52
Permits
- Building permit records show that Kunz & Wendt Builders has worked on 52 permitted projects.
Kunz & Wendt Builders Employees
JW
Jeffrey Robert Wendt
General Partner
MK
Matthew Donovan Kunz
Qualify Partner