Updated: Jul 08, 2026
Location and Projects
Address
P O BOX 231, Alviso, CA, 95002
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ROS Builder Construction
ROS Builder, Alviso, Po Box 231, Alviso, CA (Owned by: Rene Orellana Salazar) holds a General Building license according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ROS Builder, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
ROS Builder Services
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ROS Builder Alviso
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
ROS Builder has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that ROS Builder has worked on at least
9.0 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.
Pricing
|
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.
1291 sq ft addition to single family residence (kitchen sunroom and master bedroom/bath) 189 sf addition to existing third floor exterior deck. 45 sf first floor exterior potting area addition (not conditioned space)
Valuation:
N/A
Permit #:
DEV23-0117
Status:
issued
Fee:
$10,399
Permit Type:
N/A
Building Type:
N/A
New 1000 sf detached adu
Valuation:
$475,000
Permit #:
BLD24-0263
Status:
issued
Fee:
$54,956
Permit Type:
Detached 801-1200...
Building Type:
N/A
Building (n) 2346 sf single family residence with 863 sf covered porches 358 sf balconies/decks (n) owts/septic 5000 gal water tanks and propane tank
Valuation:
N/A
Permit #:
DEV20-2472
Status:
issued
Fee:
$15,847
Permit Type:
N/A
Building Type:
N/A
Hvac & structural upgrades for ex davit system at roof -
Valuation:
$73,000
Permit #:
B24-2569
Status:
final
Fee:
$10,337
Permit Type:
Alteration
Building Type:
N/A
Building (n) 930sf pool house with new bbq area (see related record)
Valuation:
N/A
Permit #:
DEV22-3172
Status:
final
Fee:
$7,386
Permit Type:
N/A
Building Type:
N/A
Scope of work: addition to 2nd floor addition of 258 sq.ft above (e) garage to create (n) family room
Valuation:
$26,290
Permit #:
2020 149682 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
New addition (852 sf) rear portion of house for master bedroom and remodel (e) master bedroom to become master bathroom and closet (30 sf) extend family room and addition new office/guest bedroom
Valuation:
$100,000
Permit #:
18000-00509
Status:
final
Fee:
$3,952
Permit Type:
N/A
Building Type:
N/A
Building (n) 2 detached trellis. (1) 269sf trellis and (2) 184sf trellis (see related records)
Valuation:
N/A
Permit #:
DEV22-3315
Status:
final
Fee:
$3,633
Permit Type:
N/A
Building Type:
N/A
Convert garage to living space retaining walls for spa/land
Valuation:
$50,000
Permit #:
BLD2021-00394
Status:
final
Fee:
$4,421
Permit Type:
Interior remodel
Building Type:
N/A
Total 70sf alteration to (e) 1-story sfd: remodel hall bathroom with replacement of swing door to pocket door. m.e.p. included
Valuation:
$9,000
Permit #:
BD-2018-269067
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Grading 1084 cy cut 1163 cy fill
Valuation:
N/A
Permit #:
DEV20-2473
Status:
final
Fee:
$17,080
Permit Type:
N/A
Building Type:
N/A
Kitchen and bathroom remodel
Valuation:
$25,000
Permit #:
BLD2020-00753
Status:
final
Fee:
$1,194
Permit Type:
Kitchen remodel
Building Type:
N/A
Building (n) 1344 sf horse barn w/paddocks and corral
Valuation:
N/A
Permit #:
DEV20-2477
Status:
issued
Fee:
$7,540
Permit Type:
N/A
Building Type:
N/A
Reroof
Valuation:
N/A
Permit #:
BLD23-01760
Status:
final
Fee:
$420
Permit Type:
Main structure
Building Type:
N/A
Building (n) site ret'g walls 2330sf
Valuation:
N/A
Permit #:
DEV20-2478
Status:
final
Fee:
$3,624
Permit Type:
N/A
Building Type:
N/A
Install new photo-voltaic canopy structure install new photo voltaic system (roof mounted) on pool house
Valuation:
N/A
Permit #:
BLD2017-00370
Status:
final
Fee:
$2,026
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom 70 sf - not touching shear walls
Valuation:
$35,000
Permit #:
B17-0450
Status:
final
Fee:
$874
Permit Type:
N/A
Building Type:
N/A
Bld-pool demolish in fill clean fill. rec'd notarized notice of fill condition. jvid
Valuation:
N/A
Permit #:
BLD2017-05069
Status:
final
Fee:
$233
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom 70 sf - not touching shear walls
Valuation:
N/A
Permit #:
B17-0450
Status:
final
Fee:
$873
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
65118088
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
ROS Builder Reviews
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Verified License
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ROS Builder License info
Verified License
| License # | 1009233 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for ROS Builder at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
21
Permits
- Building permit records show that ROS Builder has worked on 21 permitted projects.
ROS Builder Employees
RS
Rene Orellana Salazar
Owner