Updated: Feb 09, 2026
Location and Projects
Address
20 ROSEBANK AVE, Kentfield, CA, 94904
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Bay City Contractors Construction
Bay City Contractors Inc operates in Kentfield, CA, serving Marin County and the greater Bay Area. The company specializes in new custom home construction as well as major residential remodels, including kitchens, bathrooms, and additions. Portfolio examples highlight work on hillside homes and properties in areas such as Mill Valley, San Rafael, and Larkspur. Projects often involve site-specific solutions like retaining walls, foundation upgrades, and deck construction to accommodate the region’s varied terrain. Bay City Contractors Inc works primarily with homeowners, collaborating closely with clients and architects throughout the building process. The team is experienced with contemporary and traditional home designs, utilizing a range of building materials suited to the local climate. The firm emphasizes thorough project management from planning to completion.
Bay City Contractors Inc Services
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Bay City Contractors Inc Contact Information
Phone Number: (415) 726-7740
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Address: 20 ROSEBANK AVE, Kentfield, CA 94904
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Bay City Contractors Inc Kentfield
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Bay City Contractors Inc has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
8 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Bay City Contractors Inc has worked on at least
15.0 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
|
Home Additions |
|
6 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Bay City Contractors Inc mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
4 projects
|
< $5k |
|
1 project
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
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 Bay City Contractors Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Units# 207 (2/f) 307 (3/f) 401 (4/f) 410 (4/f): renovation of 4 apartments. new kitchen cabinets and plumbing fixtures. new washer/dryers in units 307 and 410. new lighting at (e) j-boxes. no change to mechanical. no exterior work fire alarm or sprinkler work. no structural work
Valuation:
$260,000
Permit #:
202407267361
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Renovation of unit 23 & 24 on 2nd fl. new kitchen cabinets and plumbing fixtures. new washer/dryer & dishwashers. new lighting at (e) j-boxes. no change to mechanical. no exterior sprinkler structural or fire alarm work
Valuation:
$130,000
Permit #:
202404089520
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Adding 3 unit on first level per ord 162-16. convert (e) garage into new dwelling units within (e) envelope l. 7 new bedrooms 5 new bathrooms 2 new dishwasher 5 new washer/dryer. new windows facing st sprinkler and fire alarm under separate permit. soft story compliance under pa 201912119237
Valuation:
$700,000
Permit #:
202003116811
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Interior only renovation of apartment units 1 2 3 4 5 & 6. no change to unit size or unit count. no fire alarm or sprinkler work. no structural work
Valuation:
$300,000
Permit #:
B2022-02513
Status:
issued
Fee:
$15,156
Permit Type:
N/A
Building Type:
N/A
Unit 401- kitchen remodel remove cabinets fixtures appliances. new washer&dryer bathroom remodel replace fixtures no exterior work no interior walls moved no new framing. terminate exhaust 3 from pl and openings
Valuation:
$60,000
Permit #:
202410223491
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Remove (e) maintenance ladder not in use at rear of building/roof. not visible from street at east end of highest roof level 2 means of egress from roof level shall be maintained
Valuation:
$300
Permit #:
202403188041
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Rev to pa# 202003116811 architectural revisions made to adu layouts to accomodate existing conditions common laundry removed (w/d unit provided in each dwelling) provide fire sprinklers at windows near existing fire escapes
Valuation:
$1
Permit #:
202304256416
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Unit 408: remodel kitchen and bathroom: new subpanel: addition replace switches lights and receptical as needed
Valuation:
N/A
Permit #:
E202412058605
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 408- kitchen and bathroom remodel new cabinets replace fixtures no exterior work no interior wall moved. no new wall framing. provide 100 sq in opening for makeup air. terminate exhaust 3 from pl and opening. new washer/dryer
Valuation:
$60,000
Permit #:
202410223487
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Unit's 23 and 24: remodel bathroom and kitchen addition washer dryer. new fixtures kitchen and bathroom including tub toilet sinks dishwasher and range
Valuation:
N/A
Permit #:
PP20240530101
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 408: kitchen and bathroom remodel: addition washer dryer
Valuation:
N/A
Permit #:
PP20241205409
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 207, 307, 401, 410- remodel of units kitchen bathroom replace bathroom fixtures new sink and appliances w&d
Valuation:
N/A
Permit #:
PP20241105851
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 401- remodel kitchen and bathroom new subpanel addition replace switches recepticals and lights as needed
Valuation:
N/A
Permit #:
E202410237755
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to pa #202304256416 & 202003116811: update title 24 sheets to show in-floor radiant heating only
Valuation:
$1
Permit #:
202403117533
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Convert garage into dwelling into new fixtures for kitchen bathrooms new plumbing washer dryer
Valuation:
N/A
Permit #:
PP20220414305
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 207- install new subpanel remodel kitchen and bathroom new outlets and switches
Valuation:
N/A
Permit #:
E202411058006
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 406: new subpanel. new outlets in kitchen and bathroom new light fixtures: bpa# 202307252967: pp20230725116
Valuation:
N/A
Permit #:
E202307258333
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 401-kithcen and bathroom remodel and washer and dryer install. no shower pan
Valuation:
N/A
Permit #:
PP20241023646
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert (e) carport to (n) garage & building (n) a d u on top of garage; exterior stairs t.d. 2-21-24
Valuation:
$60,000
Permit #:
176384
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Unit 410- new subpanel remodel kitchen and bathroom new outlets and switches
Valuation:
N/A
Permit #:
E202411058005
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Bay City Contractors Inc Reviews
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Bay City Contractors Inc License info
Verified License
| License # | 1069561 |
| 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 Bay City Contractors Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Sirius America Insurance Company |
17
Permits
- Building permit records show that Bay City Contractors Inc has worked on 17 permitted projects.
Bay City Contractors Inc Employees
WB
William Keith Brewer
Rmo / Ceo / Pres