Updated: Feb 14, 2026
Location and Projects
Address
25 CORTE MADERA AVE #200, Mill Valley, CA, 94941
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R N Development Construction
Based in Mill Valley, R N Development Inc specializes in residential construction and renovation throughout Marin County. The company offers a portfolio that includes major remodels, home additions, and new home construction in neighborhoods such as Mill Valley, Tiburon, and Sausalito. Projects range from whole-house renovations to kitchen and bathroom upgrades, with a focus on maximizing natural light and integrating custom finishes. R N Development Inc works primarily with homeowners seeking to enhance existing properties or build new custom residences. The contractor’s experience spans hillside construction, seismic retrofitting, and the use of energy-efficient materials suited to the Bay Area climate. R N Development Inc draws on over a decade of regional expertise to manage complex building projects from preconstruction through completion.
R N Development Inc Services
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R N Development Inc Contact Information
Phone Number: (415) 389-8523
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Address: 25 CORTE MADERA AVE #200, Mill Valley, CA 94941
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R N Development Inc Mill Valley
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
R N Development Inc has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that R N Development Inc has worked on at least
5.0 projects over the past 2 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.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
1 project
|
$100k-$250k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Facade changes to comply with nov #202296077. convert 2 extg garage door opening in new storefront including at zoe st. and freelon st. replace (3) new doors and the installation of 12 new light fixtures. removal of translucent fil at zoe and freelong st. frontages
Valuation:
$150,000
Permit #:
202301039624
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
41 - auto repairs
New unit subpanel kitchen 2 bathroom fan. 100 amp service #2 feeder 100 amp subpanel. 20 circuits 20 lights 8 switches 30 receptacles 2 fans 1 d/w 1 g/d 1 microwave 1 range 4 s/d gas dryer electric washer
Valuation:
N/A
Permit #:
E202504011332
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to pa# 202501299309: replace knob and tube. install new sub panel. replace non street facing lightwell windows in kind. replace wall coverings throughout
Valuation:
$15,000
Permit #:
202503202705
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Interior tenant improvement. including new mezzanine & ada bathroom upgrade. structural plans only for pa201904036992. maher n/a
Valuation:
$400,000
Permit #:
201904036996
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Interior tenant improvement. including new mezzanine & ada bathroom upgrade. maher n/a. revise structural pa201904036996
Valuation:
$853,243
Permit #:
201904036992
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Interior tenant improvement. including new mezzanine & ada bathroom upgrade. structural plans only for pa201904036994. maher n/a
Valuation:
$150,000
Permit #:
201904036997
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
2 bathroom renovation 1 kitchen 1 laundry box
Valuation:
N/A
Permit #:
PP20250401406
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing forced air heater
Valuation:
N/A
Permit #:
PM20250401407
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New rooftop air conditioning units. new ductwork new exhaust fans. new pressure relief dampers
Valuation:
$50,000
Permit #:
202103297474
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Residence - re-roof. no stated re-sheet. flat membrane or t&g
Valuation:
$13,000
Permit #:
B-043395
Status:
final
Fee:
$699
Permit Type:
Low slope w tear off
Building Type:
N/A
Residential re-roof re-sheet compshingles
Valuation:
$11,800
Permit #:
B-044361
Status:
final
Fee:
$1,073
Permit Type:
Comparable shingl...
Building Type:
N/A
Expired residential re-roof re-sheet compshingles
Valuation:
$28,500
Permit #:
B-044072
Status:
issued
Fee:
$1,955
Permit Type:
Comparable shingl...
Building Type:
N/A
Commercial -install new 400amp service for pge meter release
Valuation:
$16,000
Permit #:
B-046749
Status:
expired
Fee:
$187
Permit Type:
N/A
Building Type:
N/A
Residential nonstructural kitchen and bathroom
2022-10-11
Residential remodel kitchen and bathroom
Valuation:
$45,000
Permit #:
B-044363
Status:
triage
Fee:
$747
Permit Type:
N/A
Building Type:
N/A
Residential - energize exisitng 100 amp main electric servic
Valuation:
$200
Permit #:
B-045178
Status:
final
Fee:
$300
Permit Type:
Electrical panel ...
Building Type:
N/A
Dry rot repair shingles facia
Valuation:
N/A
Permit #:
B-044114
Status:
pending plan submitl
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New windows and doors at south exterior wall
Valuation:
$10,000
Permit #:
201908169105
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Reval
Valuation:
$66,000
Permit #:
REVAL-000397
Status:
final
Fee:
$2,564
Permit Type:
N/A
Building Type:
N/A
New rooftop air conditioning units. new ductwork. new exhaust fans. new pressure relief dampers
Valuation:
$70,000
Permit #:
202101202960
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Addition & remodel
Valuation:
N/A
Permit #:
B-030327
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Projects
R N Development Inc Reviews
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R N Development Inc License info
Verified License
| License # | 833025 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for R N Development Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
15
Permits
- Building permit records show that R N Development Inc has worked on 15 permitted projects.
R N Development Inc Employees
NB
Nessa Brady
Officer
NB
Nessa Brady
Officer
RM
Robert Charles Mellett
Rmo / Ceo / Pres