Updated: Jan 26, 2026
Location and Projects
Address
1661 BOTELHO DRIVE SUITE 255, Walnut Creek, CA, 94596
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Younger Brothers Builders Construction
Cam, owner of Younger Brothers Builders, brings over 30 years of construction experience to residential and commercial projects throughout the Bay Area. Based in Walnut Creek, the company works across the region, offering services that include home remodels, kitchen and bathroom renovations, and commercial tenant improvements. Cam’s background spans both local and international building, having begun his career in New Zealand before relocating to California. Younger Brothers Builders emphasizes the use of high-quality materials and established construction techniques to deliver modern design solutions that endure over time. Projects are managed personally by Cam, who actively oversees each phase to ensure clients’ expectations are met. The company’s portfolio includes custom homes, updated living spaces, and commercial build-outs tailored to improve client lifestyles.
Younger Brothers Builders Services
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Younger Brothers Builders Contact Information
Phone Number: (925) 289-8145
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Address: 1661 BOTELHO DRIVE SUITE 255, Walnut Creek, CA 94596
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Younger Brothers Builders Walnut Creek
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Younger Brothers Builders has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that Younger Brothers Builders has worked on at least
6.0 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 |
Analyzing permits over the last 4 years shows that Younger Brothers Builders mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
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.
Building Permits by Younger Brothers Builders
This is a sample of this contractor's permits. Click here to access their complete permit history.
Siding and window replacement - remove and replace t1-11 siding (approx 1100sq ft) with 1x4 spruce trim. replace (2) sliders and (4) window like for like sizes
Valuation:
$16,000
Permit #:
B25-2680
Status:
issued
Fee:
$514
Permit Type:
N/A
Building Type:
N/A
Addition 483 sf major remodel 1821 sf w/pem
Valuation:
$445,000
Permit #:
B24-017852
Status:
final
Fee:
$8,955
Permit Type:
N/A
Building Type:
N/A
308 sqft adu at second story and conversion of existing garage (714 s.f.) into living space. 135 sqft addition at rear to enlarge kitchen and new 3 car garage 728 sqft. 264 sqft new covered pavillion. enlarge existing deck at rear and interior remodel. 5/3/2024 revision delta 2- eliminate covered pavillion keep existing rear decks eliminate firplace in media room and addition windows.... see more
Valuation:
N/A
Permit #:
BIR23-013024
Status:
final
Fee:
$8,967
Permit Type:
N/A
Building Type:
N/A
Construct 143 sq.ft. main floor addition 2. remove area of house between the garage & 2 story portion to subfloor & re-construct per plan 3. remodel lower floor per plans 4. remodel upper floor master suite per plans
Valuation:
N/A
Permit #:
BIAD22-002470
Status:
final
Fee:
$13,904
Permit Type:
N/A
Building Type:
N/A
Construct 143 sq.ft. main floor addition 2. remove area of house between the garage & 2 story portion to subfloor & re-construct per plan 3. remodel lower floor per plans 4. remodel upper floor master suite per plans
Valuation:
N/A
Permit #:
BISUB22-00683
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: rebuild two-story 3368 sf sfd; original was 3008 sf; and 534 sf garage the following conditions are required: backflow: fire sprinklers will be required so a minimum 1” backflow device will be required per current city standard 875. an in-line check backflow per sr water standard. 875 may be installed when only protecting the fire sprinkler system otherwise a do... see more
Valuation:
$600,000
Permit #:
B19-0643
Status:
final
Fee:
$6,105
Permit Type:
N/A
Building Type:
N/A
Family room bedroom laundry room and bathroom addition to existing residence. new covered patio
Valuation:
N/A
Permit #:
BISUB23-00918
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition remodel to front of residence to addition bedroom laundry room enlarge garage remodel hall bathroom and kitchen. replace main panel and relocate gas meter ** 6/10/2020 - revision to addition temp power pole for construction - bdb **
Valuation:
N/A
Permit #:
BIAD20-002112
Status:
final
Fee:
$8,188
Permit Type:
N/A
Building Type:
N/A
Expansion and remodel of master bathroom 10 new skylights other misc. interior ceiling electrical and finish work. no additional floor area no tree removal. **01/12/24 revision- omit footing at line e, 4 was replaced by epoxy anchoring** -aa
Valuation:
$150,000
Permit #:
BIAL23-013551
Status:
issued
Fee:
$4,312
Permit Type:
N/A
Building Type:
N/A
Expansion and remodel of master bathroom 10 new skylights other misc. interior ceiling electrical and finish work. no additional floor area no tree removal
Valuation:
N/A
Permit #:
BISUB23-03727
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel 2 & 1/2 bathrooms (master hall bathroom powder bath). hall bathroom like for like addition (1) vanity lav sink. powder bathroom like fo rlike new vanity/toilet. master bathroom like for like (2) vanity lav sinks toilet. use existing tub. replace window and door with same sizes as existing. all baths have new lighting lef/high efficiency. electrical mechanical & plumbing
Valuation:
N/A
Permit #:
BIAL21-002949
Status:
final
Fee:
$2,085
Permit Type:
N/A
Building Type:
N/A
New 574 square foot addition to exisitng residence **10/27/22 revision to change layout to kitchen. install skylight at master bath.** cm
Valuation:
$250,000
Permit #:
BIAD22-005103
Status:
final
Fee:
$5,204
Permit Type:
N/A
Building Type:
N/A
220 sf adition to a existing 3, 841 sf residence along with complete interior renovation kitchen and baths
Valuation:
$500,000
Permit #:
BIAD22-012674
Status:
issued
Fee:
$12,843
Permit Type:
N/A
Building Type:
N/A
Kitchen living remodel and 602 addition of master bedroom and bathroom
Valuation:
$255,000
Permit #:
BISUB22-02437
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 384 square foot detached adu **10/27/22 revision to addition 48 sq ft at bedroom to adu for a total of 432 sq ft.** cm
Valuation:
$250,000
Permit #:
BIR22-005104
Status:
final
Fee:
$4,727
Permit Type:
N/A
Building Type:
N/A
124 sf addition remodel to single family residence 7*29*19: revision: enlarge office and great room by 41 sf and move wall at kitchen 8-15-19: structural revision -- to vault ceiling
Valuation:
N/A
Permit #:
BIAD19-004946
Status:
final
Fee:
$5,881
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom and addition hallway bathroom. replace window and addition new window in tub area. vault ceiling in m. bathroom
Valuation:
N/A
Permit #:
BIAL20-000987
Status:
final
Fee:
$1,461
Permit Type:
N/A
Building Type:
N/A
Remodel hall bathroom relocate furnace and water heater w/pem
Valuation:
$18,000
Permit #:
B21-015859
Status:
final
Fee:
$932
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel in kind vanity toilet to remain. laundry room remodel remove sink new cabinetry. lighting in both areas
Valuation:
N/A
Permit #:
BIAL20-012607
Status:
final
Fee:
$1,499
Permit Type:
N/A
Building Type:
N/A
556 sq ft one story addition to the south elevation of an existing residence with a max height of 13'-9
Valuation:
N/A
Permit #:
BIAD19-009418
Status:
final
Fee:
$6,751
Permit Type:
N/A
Building Type:
N/A
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Younger Brothers Builders License info
Verified License
| License # | 818038 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Younger Brothers Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | Old Republic Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
50
Permits
- Building permit records show that Younger Brothers Builders has worked on 50 permitted projects.
Younger Brothers Builders Employees
CY
Campbell Steven Younger
Sole Owner