Updated: Jul 01, 2025
Location and Projects
Address
2261 MARKET STREET # 324, San Francisco, CA, 94114
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Antonaros Stephen Architect
Antonaros Stephen, 2261 Market St, San Francisco, CA holds a Architect license and 1 other 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 Antonaros Stephen, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Antonaros Stephen Services
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Antonaros Stephen Contact Information
Address: 2261 MARKET STREET # 324, San Francisco, CA 94114
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Antonaros Stephen San Francisco
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Antonaros Stephen has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
11 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Antonaros Stephen has worked on at least
22.0 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
|
5 projects
|
Home Additions |
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Antonaros Stephen mostly works on
home addition
and new construction
projects.
Pricing
|
14 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
3 projects
|
$500k-$1mil |
The typical size of their permits is approximately $2,250. 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.
New 2-story addition at rear of existing single family dwelling; interior alteration at 1st floor adding 1/2 bathroom & kitchenette at 1st floor -no new dwelling unit
Valuation:
$218,500
Permit #:
202305167832
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Alterations to (e) 2 units to addition new dwelling unit & new 1st & 4th floor. unit# 1 to be 1 bedroom den 1.5 bathroom. unit# 2 to be 2 bedroom & 2.5 bathroom. unit# 3 to be 3 bedroom & 4 baths
Valuation:
$912,671
Permit #:
201804247274
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Convert space at gr floor of (n) building from workshop/gym to new 1-brm 490 sq ft adu. bathroom existing as part of approved space kitchen w/d and partitions added to convert to dwelling. 3 new condo units within building on 2nd 3rd and 4th floors under base building permit # 2007-1228-1474 & 2020-0930-5600
Valuation:
$25,000
Permit #:
202011179083
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
New 1st & 2nd floor decks at rear of existing single family dwelling; interior alterations at 1st floor adding bathroom & bedroom - no new dwelling unit
Valuation:
$77,785
Permit #:
202310249322
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Comply complaint #201893701 (his) & 201888681 (bid). remove 3rd floor additions of den storage closet & sunroom; remove bathroom and kitchen at aground floor to revert to previously approved work under pa#2002.0225.9957. maher a
Valuation:
$15,000
Permit #:
201809241258
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Alteration to 1st & 3rd floors. addition at rear on all floors. addition of new bedroom 2 new baths family room & expand basement level
Valuation:
$415,000
Permit #:
201206192959
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to existing pa# 202008582879s1. move entry door from side to front remove one window from front due to structural; addition new larger window on side
Valuation:
$1
Permit #:
202402286698
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
The project proposes a new 2 bedroom 2 bathroom adu (under the state program) to be created from the converted previously approved but not yet constructed lower floor of a new construction 3-story house. the resulting single family dwelling will be 2-stories and 3 bedrooms 3 1/2 baths
Valuation:
$10,000
Permit #:
202111192834
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Remodel all (e) bathrooms. new windows & doors. repair (e) siding in-kind. relocate (e) wood shear wall at penthouse level. widen (e) roof deck at penthouse level
Valuation:
$55,000
Permit #:
202206085919
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Tenant improvement at vacant ground floor space. new ada restroom lights & electrical plugs. no first use proposed
Valuation:
$32,784
Permit #:
202401103733
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Revision to pa 2019-0425-8975rerevise unit 204 to 486 ft 1 bed/bath reassign previous 2nd bedroom to storage room off corridor. change east rooftop penthouse room designation to mechanical room from previous designation as emergency generator; show uninterrupted power supply room at basement level
Valuation:
$1
Permit #:
201910295843
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Rebuild (e) garage extension built without permit garage extention will be reduced to meet the extent of adjacent neighbor building per planning code section 242(e)(2)(c)(i)
Valuation:
$2,000
Permit #:
202003056244
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Prop h: to comply with awning amesty program to legalize existing sign. no construction. oak street laundry
Valuation:
$1
Permit #:
202405031340
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
06 - laundry/laun...
Erect a single family dwelling one basement 3 story. type 5a building
Valuation:
$685,000
Permit #:
201711224711
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
To erect 2 stories 1 basement type va single family residence
Valuation:
$900,000
Permit #:
201702270142
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Request nfpa change 13 to nfpa 13d (6) sprinkler 400sqft under adu. revision to pa 202008282879 and ref fire pa 20303073148
Valuation:
$2,000
Permit #:
202310249300
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Convert entire lowest floor of existing new (unbuilt) single family house to addition a 1 bedroom adu
Valuation:
$20,000
Permit #:
202011199290
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Erect a type 5 1 story, detached single family dwelling(adu), no basement at rear
Valuation:
$125,000
Permit #:
202008282879
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
As-builts plans for newly constructed single family dwelling and new roof deck above 3rd fl. ref pa#201506229594 (duplicate permit submitted)
Valuation:
$10,000
Permit #:
202101062180
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to pa 201702270142. relocate kitchen and half bathroom to rear at 2nd floor. relocate washer/dryer to 3rd floor from garage level
Valuation:
$1
Permit #:
202102124594
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
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Verified License
BuildZoom confirmed this contractor's license
Antonaros Stephen License info
Verified License
| License # | C14386 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Antonaros Stephen at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 14386 |
| Status | Active |
| State | California |
- When BuildZoom last verified this license, it had an expiration date of June, 2023. Check the current license status of Antonaros Stephen with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
75
Permits
- Building permit records show that Antonaros Stephen has worked on 75 permitted projects.
Antonaros Stephen Employees
AS
Antonaros Stephen
Owner