Updated: May 04, 2026
Location and Projects
Address
4737 HILLSIDE DRIVE, Castro Valley, CA, 94546
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Sunday Builders Construction
Serving Castro Valley and the greater East Bay area, Sunday Builders Inc specializes in residential remodeling and home improvement projects. With more than two decades of experience, the company’s focus includes kitchen and bathroom renovations, room additions, and whole-home remodels. Sunday Builders Inc works with homeowners to update living spaces, often handling structural modifications, flooring installation, and cabinetry upgrades. The company’s project portfolio highlights a range of property types, from single-family residences to multi-unit properties. Sunday Builders Inc manages each phase of construction, from initial planning through final completion, emphasizing transparent communication and project management. Drawing on over 22 years in the industry, the firm brings technical expertise to both interior and exterior residential construction in Castro Valley and nearby communities.
Sunday Builders Inc Services
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Sunday Builders Inc Contact Information
Phone Number: (415) 781-9429
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Address: 4737 HILLSIDE DRIVE, Castro Valley, CA 94546
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Sunday Builders Inc Castro Valley
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sunday Builders Inc has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
8 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Sunday Builders Inc has worked on at least
10.0 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.
Experience
|
5 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Sunday Builders Inc mostly works on
kitchen remodel
projects.
Pricing
|
1 project
|
< $5k |
|
5 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $19,500. 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.
Sunday Builders Inc Reviews
5 out of 5 stars, based on
1
review
-
By DonnaFebruary 15, 2024Kitchen and bath remodel, electrical work, carpentry work, backyard.$70,000
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodel existing 2 baths and kitchen and upgrade mep's. construct new bathroom. replacing all windows like-kind. new 200-amp main panel and a 125-amp subpanel will be installed re-roofing new hvac unit new tankless water heater
Valuation:
$45,000
Permit #:
B2024-06117
Status:
plancheck
Fee:
$927
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathrooms new mep's install new 200amps main panel and 125amps sub panel new water heater and furnace. install ev charger. (bldg/elec/mech/plumbing)
Valuation:
$65,000
Permit #:
CB25-0234
Status:
issued
Fee:
$5,868
Permit Type:
N/A
Building Type:
N/A
Single family dwelling kitchen remodel like-for-like: 50 sf. single family dwelling bathroom #1 remodel like-for-like: 35 sf. single family dwelling bathroom #2 remodel like-for-like: 35 sf
Valuation:
$12,250
Permit #:
BLD2025-03701
Status:
final
Fee:
$0
Permit Type:
Residential kitch...
Building Type:
N/A
Replace all windows with retrofitted fiberglass like for like
Valuation:
$19,500
Permit #:
BW25-0023
Status:
final
Fee:
$1,168
Permit Type:
N/A
Building Type:
N/A
Construct new 749sf adu. all mep's included
Valuation:
$110,000
Permit #:
B2025-03398
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace all windows like-kind retrofit remove existing wood garage door and addition new stucco. repair roof membrane
Valuation:
$19,500
Permit #:
BW24-0243
Status:
canceled
Fee:
$241
Permit Type:
N/A
Building Type:
N/A
Interior remodel bathrooms and kitchen upgrade main panel
Valuation:
$45,000
Permit #:
BD25-1112
Status:
issued
Fee:
$6,716
Permit Type:
Remodel
Building Type:
N/A
Roof overlay
Valuation:
$6,500
Permit #:
BD25-0433
Status:
final
Fee:
$657
Permit Type:
Reroof
Building Type:
N/A
Replace handrails and structural awning on (e) front porch **** dr needed permit on hold until the dr is approved***
Valuation:
$5,130
Permit #:
B25-0247
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Aar: main address 772 peralta avenue;772 a peralta avenue to be assigned to office adu conversion
Valuation:
N/A
Permit #:
PREAPP000844
Status:
complete
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Replace handrails and structural awning on (e) front porch
Valuation:
$1,500
Permit #:
PREBLD25-0757
Status:
approved
Fee:
$121
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ESR-2025-00779
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ESR-2025-00414
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel (e) house new kitchen cabinets and bathroom fixtures new tank less water heater new hvac construct new bathroom and remove (e) chimney create new laundry building new bedroom closets replace all windows in kind upgrade electrical and addition 200a main panel
Valuation:
$45,000
Permit #:
B2021-05112
Status:
final
Fee:
$3,072
Permit Type:
N/A
Building Type:
N/A
Convert (e) detached office into adu
Valuation:
$30,000
Permit #:
B2021-05113
Status:
final
Fee:
$2,171
Permit Type:
N/A
Building Type:
N/A
Taxicab
Valuation:
$0
Permit #:
COD2004-21650
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rev1(jm) 11/4/2025- replace handrails and structural awning on (e) front porch****interior remodeling upgrade mep's. kitchen remodel and bathroom. construct new suite bathroom. repair rear deck. new gas shut off valve installed. (bldg mechanical plumbing elec)
Valuation:
$5,130
Permit #:
CB25-0054-REV1
Status:
final
Fee:
$1,462
Permit Type:
N/A
Building Type:
N/A
Convert basement into adu 3beds 2 baths 855sqft. addition new electrical and gas meter. new address propose 2340 dwight
Valuation:
$85,000
Permit #:
B2025-04153
Status:
issued
Fee:
$2,544
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ESR-2025-03121
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathrooms new mep's install new 200amps main panel and 125amps sub panel new water heater and furnace. install ev charger
Valuation:
N/A
Permit #:
PREBLD25-0605
Status:
approved
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
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Projects
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Verified License
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Sunday Builders Inc License info
Verified License
| License # | 1112165 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sunday Builders 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 | $25,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
11
Permits
- Building permit records show that Sunday Builders Inc has worked on 11 permitted projects.
Sunday Builders Inc Employees
LT
Lynn Oanh Trannguyen
Officer
NN
Nhat Ho Nguyen
Rmo / Ceo / Pres
Having Sunday Builder to remodel my new home is the best decision I ever made.
It all started with hardwood floor refinishing and replacing kitchen floor from vinyl to tiles.
The tasks expanded after seeing how Sunday’s teams passionate about the project. Sunday is accommodated and able to pick up the additional work immediately. He stopped by to the work site to make sure things got done correctly and would fix anything minor voluntarily.
The project moved quickly to a fully remodeled bathroom and major kitchen remodeled. I like the way that I can communicate with the construction teams clearly with video. We were at the bathroom and I pointed out what I like to be done; what the design would look like. All designs approval are done with me and the crews through the on-site video recording so that we can documented the process and being able to track down the progress. We did not use a blueprint, sketches nor mood board.
I chose the most challenging kitchen floor tiles; the diagonal B&W patterns which requires details workmanship. For kitchen backsplash, I chose the 3D design; and this need an OCD precise attentive eyes. Seeing how the bathroom and kitchen have transformed are out of imagination. Sunday Builder strength show when it easily followed the instructions I had envisioned. It was done verbally with videotaping the ideas. As simple as that. We did it the conventional way and it worked.
I really appreciate Sunday’s kind gestures and efficiency in handling the sudden changes and additional works. The project was done in 2 months for: fully bathroom remodeled, major kitchen remodeled, electrical work and lighting fixtures, flooring, carpentry work, entrance and backyard makeover.
Being a lady homeowner can be very daunting. Sunday was transparent throughout the process. He and his teams picked up every little piece and get the job done. It was a stress free process. He put his best workers to remodel my house. I feel that I was never been left by myself to figure things out. Everybody was there to support and make this project success. It was fun; we had a lot of good time together. I am very pleased with the collaborative work. Sunday Builder made my dream come true. I would keep him around for the next projects to come.