Updated: May 22, 2026
Location and Projects
Address
P O BOX 3219, Los Altos, CA, 94024
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JG Changras Construction
With more than four decades of experience, JG Changras Construction serves clients throughout Los Altos and the surrounding Bay Area. The company specializes in residential construction and remodeling, drawing on extensive experience with both new builds and major renovations. JG Changras Construction manages projects ranging from single-family home additions and kitchen remodels to whole-house renovations. The firm’s portfolio features work in established neighborhoods of Los Altos and adjacent communities, focusing on custom solutions that integrate seamlessly with existing homes. Throughout its 46 years in the industry, the company has worked closely with homeowners to achieve tailored results and navigate the complexities of residential building codes and permitting in the region. JG Changras Construction brings long-term regional expertise to each project.
JG Changras Construction Services
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JG Changras Construction Contact Information
Phone Number: (408) 243-7399
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Address: P O BOX 3219, Los Altos, CA 94024
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JG Changras Construction Los Altos
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JG Changras Construction has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
5 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that JG Changras Construction has worked on at least
11.0 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 |
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that JG Changras Construction mostly works on
new construction
and home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$1mil+ |
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 JG Changras Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
1. updated septic plan based on a rating from percolation test 2. adding a closet to the den to make it a bedroom per new allowable based on perc test rating currently 2bed/2.5bath. revised now 3bed/2.5bath resub01 - bca - 6/5/25 - response to env
Valuation:
N/A
Permit #:
REV2024-00696-001
Status:
issued
Fee:
$2,391
Permit Type:
N/A
Building Type:
N/A
1. updated septic plan based on a rating from percolation test 2. adding a closet to the den to make it a bedroom per new allowable based on perc test rating currently 2bed/2.5bath. revised now 3bed/2.5bath
Valuation:
N/A
Permit #:
APP2025-00093
Status:
canceled
Fee:
$301
Permit Type:
N/A
Building Type:
N/A
A 4 132 square foot new single story single-family residence with a basement attached garage and patio
Valuation:
$1,500,000
Permit #:
BLD2023-00031
Status:
issued
Fee:
$38,548
Permit Type:
New construction
Building Type:
N/A
New single-story sb-9 unit. bedroom kitchen living room
Valuation:
$250,000
Permit #:
BLD24-0343
Status:
issued
Fee:
$8,933
Permit Type:
Sb-9 unit
Building Type:
N/A
New detached adu w/separate basement
Valuation:
$500,000
Permit #:
BLD20-0314
Status:
final
Fee:
$26,274
Permit Type:
Detached 801-1200...
Building Type:
N/A
Installation of new custom raised spa only for a single family residence
Valuation:
$60,000
Permit #:
BLD2025-00083
Status:
issued
Fee:
$686
Permit Type:
New construction
Building Type:
N/A
****vio2024-00161 - permit to mitigate violation scope of work: (n) 260 sf attached covered exterior porch (n) shed roof over entry porch (no other structural or sf this area). (n) roofing over (e) roof structure related: bld2024-00696 - (n) 749 sf addition to main house resub#1-rcc-9/18/24 response to pln and civil comments
Valuation:
N/A
Permit #:
BLD2024-01841
Status:
issued
Fee:
$696
Permit Type:
N/A
Building Type:
N/A
Residential addition alteration to existing residence
2024-04-01
****vio2024-00161 related case related permit bld2024-01841 to mitigate vio 749 sf addition to single-story house. relocated bedrooms (2) relocate bathroom (1) new bathroom (1) new den new office new shed roof over entry. 409.6 sq of porch with roof covering attached to main house resub#1-rcc-6/26/24 response to building pln civil/drainage env health and geo comments note: applicant r... see more
Valuation:
N/A
Permit #:
BLD2024-00696
Status:
issued
Fee:
$17,620
Permit Type:
N/A
Building Type:
N/A
Demolish permit for removal of entire single-story 3 400 sf house
Valuation:
$100,000
Permit #:
BPA2022-01362
Status:
filed
Fee:
N/A
Permit Type:
Demolition
Building Type:
N/A
Alteration to a single family residence for installation of new pre-fabricated gas fire pit
Valuation:
$8,000
Permit #:
BLD2024-03060
Status:
issued
Fee:
$800
Permit Type:
New construction
Building Type:
N/A
Re-roof of existing house w new asphaltic comparable shingles. new gutters new rwls in place
Valuation:
N/A
Permit #:
BLD2024-01873
Status:
final
Fee:
$2,348
Permit Type:
N/A
Building Type:
N/A
One story residence with partial basement
Valuation:
N/A
Permit #:
BLD23-00229
Status:
final
Fee:
$38,110
Permit Type:
One-story
Building Type:
N/A
Addition deck to main house (replacement of previously
Valuation:
N/A
Permit #:
BLDG2022-0531
Status:
final
Fee:
$1,724
Permit Type:
Main residence
Building Type:
N/A
Remodel existing single family home no additional sf
Valuation:
N/A
Permit #:
BLDG2021-0324
Status:
final
Fee:
$48,309
Permit Type:
Main residence
Building Type:
N/A
Upgrade electrical meter to 400amp (from 200amp)
Valuation:
N/A
Permit #:
BLDG2023-0204
Status:
final
Fee:
$756
Permit Type:
Service upgrade
Building Type:
N/A
Temporary power pole
Valuation:
N/A
Permit #:
BLD22-00454
Status:
final
Fee:
$119
Permit Type:
Tpp
Building Type:
N/A
Installation of new custom raised spa only for a single family residence
Valuation:
$60,000
Permit #:
BPA2024-03594
Status:
filed
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
New pavers in portion of existing driveway and
Valuation:
N/A
Permit #:
SITE2023-0004
Status:
final
Fee:
$1,203
Permit Type:
Replace driveway
Building Type:
N/A
Convert existing detached garage into habitable adu
Valuation:
N/A
Permit #:
BLDG2021-0312
Status:
final
Fee:
$5,340
Permit Type:
Structure non hab...
Building Type:
N/A
New attached 648 sf 3-car garage
Valuation:
N/A
Permit #:
BLDG2023-0048
Status:
final
Fee:
$5,755
Permit Type:
Main residence
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
JG Changras Construction License info
Verified License
| License # | 1028051 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for JG Changras Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-54583-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for JG Changras Construction at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 367162 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for JG Changras Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 931525 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for JG Changras Construction 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 | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
26
Permits
- Building permit records show that JG Changras Construction has worked on 26 permitted projects.
JG Changras Construction Employees
GC
Gregory John Changras
Sole Owner
JC
John Gregory Changras
Owner
WF
Walter George Frey
Officer
Fantastic job, can't express how happy we are with John Changras!