Updated: Jun 15, 2026
Location and Projects
Address
1057 2ND AVENUE, Napa, CA, 94558
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Cello & Maudru Construction Company Incorporated
Based in Napa, California, Cello & Maudru Construction Company Incorporated specializes in building and renovating custom homes, wineries, and hospitality spaces across the Napa Valley and greater Northern California region. Their portfolio includes ground-up construction, historic restorations, and complex remodels, frequently collaborating with architects and designers to realize high-end residential estates and landmark winery projects. Cello & Maudru serves property owners seeking detailed site development, advanced building technologies, and seamless coordination with multiple project stakeholders. With over three decades in operation, the company is known for managing technically demanding builds, including seismic retrofitting, intricate masonry, and premium woodwork. Projects commonly feature sustainable materials, custom finishes, and integration of state-of-the-art mechanical systems, reflecting the evolving standards of the area’s luxury residential and commercial environments.
Cello & Maudru Construction Company Incorporated Services
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Cello & Maudru Construction Company Incorporated Contact Information
Phone Number: (707) 495-5270
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Address: 1057 2ND AVENUE, Napa, CA 94558
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Cello & Maudru Construction Company Incorporated Napa
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cello & Maudru Construction Company Incorporated has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
1 project
|
2026 |
|
13 projects
|
2025 |
|
18 projects
|
2024 |
|
22 projects
|
2023 |
Our building permit records indicate that Cello & Maudru Construction Company Incorporated has worked on at least
54.0 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
|
9 projects
|
New Constructions |
|
4 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
4 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Cello & Maudru Construction Company Incorporated mostly works on
new construction
and kitchen remodel
projects.
Pricing
|
3 projects
|
< $5k |
|
6 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
5 projects
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
7 projects
|
$250k-$500k |
|
3 projects
|
$500k-$1mil |
|
6 projects
|
$1mil+ |
The typical size of their permits is approximately $250,000. This graph shows the distribution of these job values.
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 Cello & Maudru Construction Company Incorporated
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial alteration interior renovation of the 2nd level of the existing structure. interior improvements include new employee work area and support spaces including break room and new restrooms
Valuation:
$3,050,000
Permit #:
BC24-00374-ALT
Status:
revision pending documents
Fee:
$50,689
Permit Type:
N/A
Building Type:
N/A
Interior renovation of the 2nd level of the existing structure. interior improvements include new employee work area and support spaces including break room and new restrooms
Valuation:
$3,050,000
Permit #:
S24-00336-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Scope of work: - demolish (e) 1 sty 1, 654 sq ft single family residence with detached garage carport and shed - building (n) 2, 662 sq ft 2 sty prefabricated modular single family residence that includes 5 bedroom 3 bathroom and 1 car 280 sq ft attached garage - foundation to be constructed on site after existing residence is demolished *1/19/24 revision # 1 scope: shifted the positi... see more
Valuation:
$321,628
Permit #:
2023 111954 RS
Status:
final
Fee:
$5,515
Permit Type:
Single-family
Building Type:
N/A
Renovation of building interior as well as the partial removal of exterior portico areas storage and covered shipping/receiving area. construction of outdoor seating area. interior renovation includes new restrooms new staircase connecting level 1 to level 2 new walk in cooler in warehouse and new water booster pump room. level 2 work includes interior finishes new conference room and... see more
Valuation:
$8,000,000
Permit #:
S23-01375-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The scope of work consists of the renovation of the building structure and interior as well as removal of the existing south covered walkway and entry vestibule. work at level 1 includes new barrel storage a guest tasting room new restroom facilities for staff and guests as well as support spaces. work at level 2 is limited to core and shell work including building systems serving the... see more
Valuation:
$8,133,000
Permit #:
S23-01260-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Co 2090 sq ft lower level remodel no driveway or sidewalk modifications were made at 2016 madrona ave. no inspection needed in my end. email received from juan gonzalez this backflow was inspected and tested on 2/3 and approveddave cuffman | underground utilities superintendent
Valuation:
$1,000,000
Permit #:
BD2012-012
Status:
final
Fee:
$7,109
Permit Type:
Remodel
Building Type:
N/A
This minor 510 (sf) interior remodel includes: 1. replacing all plumbing fixtures in bathrooms and kitchen 2. reducing the size of the existing primary bathroom shower by removing a wing wall and adding a glass shower enclosure 3. replacing shower tile in all bathrooms 4. adding & relocating a few j-boxes and outlets
Valuation:
N/A
Permit #:
BLD24-5079
Status:
final
Fee:
$2,351
Permit Type:
N/A
Building Type:
N/A
Replacement of existing roof skylights in-kind. no change to overall appearance height size location of existing skylights. replacing with new skylights as existing skylights leak. work will require demolish around existing skylight curbs to remove and reinstall new skylights. planting medium on roof will be replaced in kind. work will include new skylight curb reframing. framing to b... see more
Valuation:
N/A
Permit #:
BLD24-2029
Status:
issued
Fee:
$588
Permit Type:
N/A
Building Type:
N/A
Horizontal addition. replace foundation & rooms down addition(1680sf of(n) occupied space).bsmt fl reconfiguration incl (n)rooms lightwell stairs pool(under separate permit). excavation of 1620 cubic yards of soil. no work @ (e) carriage house & attached garage
Valuation:
$1,400,000
Permit #:
201604285993
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
4 bathroom power room kitchen appliances
Valuation:
$400,000
Permit #:
BR25-190
Status:
issued
Fee:
$11,408
Permit Type:
Full construction
Building Type:
N/A
**3rd party request** det’d garage remodel: convert gym space on lower level into cond. rec room w wet bar & powder room. convert 2nd floor office to art studio w half bathroom & storage. remove 280 sf on 2nd floor for vaulted ceiling
Valuation:
N/A
Permit #:
BLD21-8572
Status:
final
Fee:
$6,108
Permit Type:
N/A
Building Type:
N/A
Replace exterior siding & trim at single family dwelling and guest house/garage (connected by a roofline due to breezeway)
Valuation:
N/A
Permit #:
BLD25-2098
Status:
issued
Fee:
$576
Permit Type:
N/A
Building Type:
N/A
Co 960 sf fact. built adu w 547sf covered deck needs to submit to the county for septic tank building permit cannot be issued until county issues septic permit they are concurrent
Valuation:
$45,000
Permit #:
BD2112-021
Status:
final
Fee:
$20,191
Permit Type:
Addition
Building Type:
N/A
Revision to #201912230360-s3 202206075750 & 202305177950- revision mechanical systems and reduction of veritcal ducts runs removal of utlitly shaft lofting ceiling of bedroom 303 and non structural layout changes
Valuation:
$1
Permit #:
202403147863
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Renovation of existing buildings of arch & tower and new construction of a single level south wing building. the south wing building replaces the original demolished building under separate demolish permit bc23-01544-dmo the existing tower is converted into a single level tasting room which serves the adjacent wine library of the archway. the arch also includes a converted reception a... see more
Valuation:
N/A
Permit #:
S23-01379-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial alteration reconfigure (e) barrel storage to addition tasting room and restrooms
Valuation:
$8,133,000
Permit #:
BC23-01746-ALT
Status:
revision review to applicant
Fee:
$122,511
Permit Type:
N/A
Building Type:
N/A
Remodel of existing wine production building - new bathroom and relocation of shower - exterior door window and siding changes per plan - new finishes partitions and fixtures - expand outdoor terrace - electrical hvac and plumbing per plans
Valuation:
N/A
Permit #:
BLD22-7730
Status:
plancheck
Fee:
$8,492
Permit Type:
N/A
Building Type:
N/A
Main permit for mayacamas pavilion
Valuation:
$5,845,000
Permit #:
S24-00133-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to pa 202407317686 17th fl. fire only occupancy load clarification for assembly space
Valuation:
$1
Permit #:
202501037671
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
New electrical main service panel upgrade. replace existing 400-amp service with a 600-amp 120/240 single phase panel. backup generator for existing ag meter/well & irrigation pump
Valuation:
N/A
Permit #:
BLD23-1752
Status:
issued
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
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Cello & Maudru Construction Company Incorporated License info
Verified License
| License # | 1080374 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Partnership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Cello & Maudru Construction Company Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 508844 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Partnership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cello & Maudru Construction Company Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 504284 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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 Cello & Maudru Construction Company Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 468270 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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 Cello & Maudru Construction Company Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | National Union Fire Insurance Company Of Pittsburgh, Pa |
225
Permits
- Building permit records show that Cello & Maudru Construction Company Incorporated has worked on 225 permitted projects.
Cello & Maudru Construction Company Incorporated Employees
MC
Michael Taylor Cello
Officer
RC
Robert Christopher Cello
Officer
WJ
William Frank Maudru Jr
Rmo/Ceo/Pres