Updated: Apr 13, 2026
Location and Projects
Address
P O BOX 301, San Mateo, CA, 94401
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BAYWORKS Construction
For over three decades, BayWorks Inc has served homeowners throughout the San Francisco Peninsula, with projects spanning Hillsborough, Burlingame, San Mateo, Atherton, and Woodside. Established in 1991, the company specializes in a full spectrum of residential construction services, including building new homes, home additions, kitchen and bathroom remodels, and electrical work. Their project portfolio features modern living spaces, bathroom renovations, and kitchen reconfigurations, as well as construction of guest houses, pool houses, and accessory dwelling units (ADUs) designed to add functional living space or home offices. BayWorks Inc is experienced in a variety of design styles, from modern and contemporary to Spanish restoration, modern farmhouse, refined French, and Hamptons classic. The company partners directly with homeowners on each project, focusing on design and interior craftsmanship tailored to each client’s needs.
BAYWORKS INC Services
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BAYWORKS INC Contact Information
Phone Number: (650) 401-3642
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Address: P O BOX 301, San Mateo, CA 94401
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BAYWORKS INC San Mateo
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
BAYWORKS INC has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that BAYWORKS INC has worked on at least
8.0 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
|
4 projects
|
Home Additions |
|
3 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that BAYWORKS INC mostly works on
home addition
and multi-room remodel
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Front door area - repair of dryrot; remove and replace dryrot and replace stucco and sheetrock. remove and replace roof repair dryrot and install sheathing repair sub-floor. installation of asphalt comparable (20sq)
Valuation:
$42,000
Permit #:
BD-2025-297694
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This project involves a partial remodel of an existing bathroom with a primary focus on moving the shower to a new designated location within the same bathroom footprint resub1 - jzb - 12/2/25 - response to building
Valuation:
N/A
Permit #:
BLD2025-02781
Status:
filed
Fee:
$435
Permit Type:
N/A
Building Type:
N/A
Residential addition alteration to existing residence
2024-09-11
Complete remodel and reconfiguration of 1st & 2nd floor. new 482 sf deck at rear. new walkway and 190 sf deck at front. re-roof. relocate kitchen. new bathrooms and locations. new bedrooms and locations. new laundry room resub01- sge- 12/31/24- building pln geo related: bld2025-00815 - fire sprinkler (issued)
Valuation:
N/A
Permit #:
BLD2024-02122
Status:
issued
Fee:
$23,551
Permit Type:
N/A
Building Type:
N/A
(e) 1-story sfd: demolish 735.5sf (e) family room sun room utility room closet wet bar pantry and powder room into construct 658.9sf (n) family room with fireplace back hall powder room pantry and breakfast area (includes m.e.p work). demolish 104sf (e) uncovered deck/patio and construct new 280sf deck. *deferred gas line piping plans and sizing calculation to (n) fireplace.*
Valuation:
$121,449
Permit #:
BD-2019-271660
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bathroom & den: install 9 can lights; bathroom - exhaust fan 2 gfci receptacles 2 scance lights; 6 switches 10 arc fault receptacles in hall & den
Valuation:
N/A
Permit #:
E202411148239
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bathroom: remode toilet sink and tub for flood repair. install toilet sink & curbless shower. 1 shower pan
Valuation:
N/A
Permit #:
PP20241114071
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel upgrade existing electrical service to 200amps
Valuation:
$75,000
Permit #:
BPA2022-01212
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
A kitchen remodel and upgrade of an existing electrical service to 200amps for a single family residence
Valuation:
$75,000
Permit #:
BLD2022-01302
Status:
complete
Fee:
$646
Permit Type:
Alteration
Building Type:
N/A
Remove flood damaged wall surfaces flooring. updae c-p-m-e. restore wall ceilings & floor
Valuation:
$20,000
Permit #:
202411145031
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Kitchen addition and remodel upper floor master bathroom
Valuation:
N/A
Permit #:
BLDG2021-0098
Status:
final
Fee:
$3,187
Permit Type:
Main residence
Building Type:
N/A
Remodel 2 bathrooms
Valuation:
N/A
Permit #:
BP24-00374
Status:
final
Fee:
N/A
Permit Type:
Bathroom remodel
Building Type:
N/A
Expand 375sf area at the rear of garage and convert partial 187sf of existing non-habitable garage to adu (total 562sf adu to include 1 bed 1 bathroom with new mini split and tankless water heater on 1st story of existing detached garage). *deferred truss and fire sprinkler*
Valuation:
$85,000
Permit #:
BD-2021-282380
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
#scanned# dryrot repair: repair some fungus damaged joists to 10x14 2nds story deck: patch walkable roof membrane replace garage door header beam; replace some guard posts; replace existing glass guard with new tempered to height 42. all repair/replacement material to be like for like
Valuation:
$6,200
Permit #:
BLD2013-01507
Status:
final
Fee:
$601
Permit Type:
N/A
Building Type:
N/A
Response to ce case ce2015-257716 kitchen remodel: new cabinets countertops appliances associated mep and no wall alterations. hall bathroom and master bathroom remodels: new fixtures vanity r/r windows associated mep no wall alterations. remodel to entry: demolish soffit and addition new lights. [guides attached]
Valuation:
$45,000
Permit #:
BD-2015-255489
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To comply with nov201518773 to obtain a final inspection for work completed er previous permit e201309193783
Valuation:
$0
Permit #:
E201502026019
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To comply with nov201518773 to obtain a final inspection for work completed under previous permit e201309193783
Valuation:
N/A
Permit #:
E201502026019
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen 2 bathrooms lary: 16 lights 12 switches 12 receptacles 3 fans 8 circuits 1 dishwasher 1 garbage disposal 1 microwave 1 range
Valuation:
$0
Permit #:
E20130514674
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 story single family dwelling with 4 beds 3 baths and attached 2 car garage resubmittal #1 mjp 4/25/01 - corrections per pw resubmittal #2 mjp 7/12/01 - corrections per plan check revision #1 mjp 10/18/01 - drainage plan
Valuation:
$7,340
Permit #:
BLD2001-00382
Status:
final
Fee:
$11,903
Permit Type:
N/A
Building Type:
N/A
Kitchen 2 bathrooms laundry: 16 lights 12 switches 12 receptacles 3 fans 8 circuits 1 dishwasher 1 garbage disposal 1 microwave 1 range
Valuation:
N/A
Permit #:
E20130514674
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of 619sf including family room with full bathroom and master bathroom remodel of 400sf to master bedroom #2 and bedroom #3 f1 - fire sprinklers 22 heads [bd-2015-254853]
Valuation:
$3,416
Permit #:
FS-2016-257602
Status:
final
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
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BAYWORKS INC License info
Verified License
| License # | 613511 |
| Status | Active |
| State | California |
| Type | General Building, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for BAYWORKS 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 | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | Mid Century Insurance Company |
72
Permits
- Building permit records show that BAYWORKS INC has worked on 72 permitted projects.
BAYWORKS INC Employees
BM
Brendan Anthony Murphy
Sole Owner