Updated: Feb 02, 2026
Location and Projects
Address
1140 STRADA ALMADEN, San Jose, CA, 95120
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Rainbowtechs Construction
Serving residential and commercial clients throughout San Jose, Rainbowtechs Inc has been active in the region for over 15 years. The company specializes in a range of construction and remodeling services tailored to local property needs. Project types include residential interior renovations, tenant improvements, office build-outs, and small-scale commercial upgrades. Rainbowtechs Inc is experienced in working with both homeowners and business owners, providing solutions for kitchens, bathrooms, living spaces, and work environments. The team uses established building practices to address the requirements of Silicon Valley properties, emphasizing functional layouts and reliable materials suited to the area’s market. With more than a decade of service in the San Jose area, Rainbowtechs Inc is familiar with local permitting processes and construction standards, supporting clients from planning through project completion.
Rainbowtechs Inc Services
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Rainbowtechs Inc Contact Information
Phone Number: (408) 309-0145
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Address: 1140 STRADA ALMADEN, San Jose, CA 95120
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Rainbowtechs Inc San Jose
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Rainbowtechs Inc has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Rainbowtechs Inc 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.
Pricing
|
3 projects
|
< $5k |
|
1 project
|
$5k-$20k |
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.
Building code case violations 20-147144: permit to rectify work performed without permits to include: convert garage back to pre-existing - remove 3 walls - legalize (2) (n) windows - remove partition wall enclosure around water heater install new water heater - install washer and dryer in garage - legalize (n) entry door to living room -remove patio cover living room - remove dividin... see more
Valuation:
$16,656
Permit #:
2021 032935 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Scope of work:~392sf area 1) demolish (e) kit & remove wall between kit & dr 2) relo kit to former dr area install partition walls & washer/dryer 3) construct (n) full bathrm 4th bedroom & wic in former kit area 4) frame install 3 (n) windows; infill previous windows 5) construct (n) bathrm in (e) bedroom asso electrical mechanical plumbing as per approved plans
Valuation:
$67,684
Permit #:
2019 119636 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
- 32 sq ft balcony repair & guard rail like-for-like - install (n) cantilever beams & guard rail
Valuation:
$893
Permit #:
2023 102569 MF
Status:
final
Fee:
$720
Permit Type:
Townhouse
Building Type:
N/A
Scope of work: 196 sq ft - minor kitchen remodel 145 sq ft - (2) minor bathroom remodels r/r water heater furnace and electrical subpanel in garage firewall 360 sq ft - remove (e) siding replace with 3/8 ply bracing and stucco at front of house repair replace studs plates for dry rot water damage
Valuation:
$20,255
Permit #:
2019 142693 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
An interior commercial interior alteration of 1134 square foot top accommodate for a foot massage facility. addendum 6/7/2021: adding electric outlets and light switches
Valuation:
$18,000
Permit #:
BLD2020-01145
Status:
issued
Fee:
$18,710
Permit Type:
Alteration
Building Type:
N/A
Convert (e) closet to laundry room and install minii-split hvac system ** not electrification since no gas appliance replaced. jom 20230519 **
Valuation:
$3,000
Permit #:
BLD2023-00028
Status:
complete
Fee:
$750
Permit Type:
Alteration
Building Type:
N/A
Structural repairs required by code enforcement to include replacement of trestles and upper deck/balcony flooring surfaces due to dry rot and termite damage. common balcony used for apartment units in building
Valuation:
$7,560
Permit #:
2018 140274 MF
Status:
final
Fee:
N/A
Permit Type:
Multiple use
Building Type:
N/A
Edr 600sf - convert existing familyrm to a bedrm; addition 2 new bathrms & 1 closet (includes plumbing & electric)
Valuation:
N/A
Permit #:
PMT2019-03940
Status:
final
Fee:
$1,248
Permit Type:
N/A
Building Type:
N/A
Foundation re-enforcement for earthquake protection
Valuation:
$3,000
Permit #:
BLD24-03940
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Non structral kitchen remodel replace cabinets/counters update electrical plumbing & mechanical fixtures. ****revised 3/27/2018 to include r/r water heater in carport (twr)****
Valuation:
$15,100
Permit #:
2018 105657 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2022 657923 RS
Status:
filed
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2022 657922 RS
Status:
filed
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
No Description Available
Valuation:
$15,100
Permit #:
2024 075080 RS
Status:
final
Fee:
$0
Permit Type:
Single-family
Building Type:
N/A
Upgrade recessed panel to 200 amp (same location)
Valuation:
$200
Permit #:
BLD2019-56060
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel
Valuation:
N/A
Permit #:
DEV23-1719
Status:
final
Fee:
$1,146
Permit Type:
N/A
Building Type:
N/A
L & l hawaiian bbq: revised framing from wood to concrete bl
Valuation:
N/A
Permit #:
B-RV18-0203
Status:
final
Fee:
$190
Permit Type:
Crv-com rev
Building Type:
N/A
L & l hawaiian bbq: installation of new window
Valuation:
N/A
Permit #:
B-BP18-0098
Status:
final
Fee:
$517
Permit Type:
Caa-restaurant
Building Type:
N/A
Replace kitchen tiles and sound proof flooring barrier installed. remove existing kitchen cabinets and replace in kind. install new countertops use (e) appliances and fixtures
Valuation:
$10,000
Permit #:
201503231604
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Legalize additions of stackable washer dryer to 4 units 2 tankless water heaters in common area storage room. unit # 1 - legalize enclosure of open walk through shower addition and attached awning. unit 1 2 3 & 4 - legalize the addition of four air conditioning units
Valuation:
$11,450
Permit #:
2012 010494 MF
Status:
final
Fee:
N/A
Permit Type:
Apt/condo/townhouse
Building Type:
N/A
Remodel kitchen replace vanity remove relocate interior wall and addition a closet to bedrom 1. install new wall mouted furnace. includes associated mep work
Valuation:
$15,100
Permit #:
2015 011830 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
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Rainbowtechs Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Rainbowtechs Inc License info
Verified License
| License # | 963421 |
| 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 Rainbowtechs Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 963421 |
| Status | Active |
| City | Milpitas |
| Type | Contractor, General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2017. Check the current license status of Rainbowtechs Inc with the The City of Milpitas, CA
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | State Compensation Insurance Fund |
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
53
Permits
- Building permit records show that Rainbowtechs Inc has worked on 53 permitted projects.
Rainbowtechs Inc Employees
RH
Ren Chau James Hu
Rmo / Ceo / Pres
SH
Shun Hwa Jennifer Hu
Officer