Updated: May 10, 2026
Location and Projects
Address
1559 SEVENTH ST, Altadena, CA, 91003
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Segal Barry William Architect
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
If you are thinking of hiring Segal Barry William, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Segal Barry William Services
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Segal Barry William Contact Information
Phone Number: (626) 345-9765
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Address: 1559 SEVENTH ST, Altadena, CA 91003
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Segal Barry William Altadena
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Segal Barry William has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
5 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Segal Barry William has worked on at least
15.0 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 |
|
2 projects
|
$50k-$100k |
|
3 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $40,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental to 18010-10000-01682 to change finished elevations and accessible enterance to building. no change in building length width height areas occupant load parking or lid design
Valuation:
$501
Permit #:
18010-20001-01682
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. tenant improvement to existing office & mfg/warehouse. new demising wall at 1st floor. no structural changes to be made. comply with department order effective date 04/15/2022. permit will expire 30 days from issuance date
Valuation:
$20,000
Permit #:
22016-10000-26948
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. tenant improvement to existing office & mfg/warehouse. new demising wall at 1st floor. no structural changes to be made. comply with department order effective date 04/15/2022. permit will expire 30 days from issuance date
Valuation:
$20,000
Permit #:
22016-10000-26948
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire damage rebuild to replace roof. interior tenant improvement with new finishes walls (n) handicap lift and replace existing windows throughout
Valuation:
$325,000
Permit #:
22016-10000-12046
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Warehouse ( unconditioned space) with surface parking
Valuation:
$668,040
Permit #:
18010-10000-04057
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
$0 permit fees due to department error permit fees have been paid for under supplemental application 18041-10001-46075. full plan check for a new warehouse. scope of work includes new 2000amps service 208y/120v 3 phase. circuits equipments and lightin total effected area 22833 sqft. bld# 18010-10000-04057
Valuation:
N/A
Permit #:
18041-10000-46075
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
1 story warehouse w/mezzanine and parking. 1 of 2
Valuation:
$800,000
Permit #:
21010-10000-04357
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit #14010-10000-03527 to increase the mezzanine floor area (810 sq ft) & relocate the stairways serving the mezzanine.for (e) 4-story w one level mezz. type iib ( core & sheel) office building over 1-story type ia parking garage ( total 5 story tenant improvement under separate permit)
Valuation:
$180,000
Permit #:
14010-10002-03527
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New conrete block parking structures. (8, 956 sq/ft.)
Valuation:
$495,000
Permit #:
19010-10000-02008
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New 4-story w one level mezz. type iib ( core & sheel) office building over 1-story type ia parking garage ( total 5 story tenant improvement under separate permit)
Valuation:
$21,500,000
Permit #:
14010-10000-03527
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 18010-10000-01682 to change finished elevations and accessible enterance to building. no change in building length width height areas occupant load parking or lid design
Valuation:
$501
Permit #:
18010-20001-01682
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 19030-10000-00113 to transfer permit from owner-builder to contractor driver spg llc license number 960119
Valuation:
N/A
Permit #:
19030-10001-00113
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 18010-10000-04057 to transfer permit from owner-builder to contractor driver spg llc license number 960119
Valuation:
N/A
Permit #:
18010-10001-04057
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement on 4 floors consisting of new bathroom facilities corridors and extend elevator to roof top (no use on roof top). core and shall only (t.i. for individual tenant shall be under separate permit.)
Valuation:
$275,000
Permit #:
17016-10000-20518
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use from bakery/office to warehouse/office; upgrade (1) existing restroom to be accessible unisex restroom; convert (1) existing standard parking space to (1) new accessibile parking space
Valuation:
$5,000
Permit #:
18016-10000-26608
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Site grading for proposed building removal and recompaction and retaning wall
Valuation:
$1,800
Permit #:
20030-10000-00567
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Power and energy plan check for a new conrete block parking structures. scope includes new 800a service and equipment. total affected area is 9221 sq.ft
Valuation:
N/A
Permit #:
19041-10000-24239
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 16014-30000-04223 to remove exterior slider. new opening for door to deck and move location of interior closet door
Valuation:
N/A
Permit #:
16014-30003-04223
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to single family dwelling
Valuation:
$188,375
Permit #:
16014-30000-04223
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change of use from warehouse & office to office & retail; tenant improvement. (urm building)
Valuation:
$264,500
Permit #:
17016-10000-01447
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Segal Barry William Reviews
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Recent Buildzoom Projects
Segal Barry William License info
License Not Verified
| License # | C17861 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Segal Barry William with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 418209 |
| Status | Inactive |
| State | California |
| Type | Flooring And Floor Covering |
- 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 Segal Barry William at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 379235 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Segal Barry William 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 | Surety Company Of The Pacific |
| Bond Value | $7,500 |
148
Permits
- Building permit records show that Segal Barry William has worked on 148 permitted projects.
Segal Barry William Employees
BS
Barry W. Segal
BS
Barry William Segal
Sole Owner
SW
Segal Barry William
Owner
WS
William Henry Segal
Sole Owner