Updated: Nov 24, 2025
Location and Projects
Address
3101 EXPOSITION PLACE, Los Angeles, CA, 90018
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Rios Mark William Architect
Rios Mark William, 3101 Exposition Pl, Los Angeles, CA holds a Landscape Architect license and 1 other license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Rios Mark William, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Rios Mark William Services
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Rios Mark William Contact Information
Address: 3101 EXPOSITION PLACE, Los Angeles, CA 90018
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Rios Mark William Los Angeles
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Rios Mark William has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
12 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Rios Mark William has worked on at least
29.0 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
|
6 projects
|
New Constructions |
|
5 projects
|
Commercial Renovations |
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Rios Mark William mostly works on
new construction
and home addition
projects.
Pricing
|
6 projects
|
< $5k |
|
6 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
3 projects
|
$500k-$1mil |
|
8 projects
|
$1mil+ |
The typical size of their permits is approximately $20,000. 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.
Addition (26'-6"x 10'-6") bathroom/closet (30'-0"x 18'-0") irr shape laundry fitness room @ 1st floor and addition (27'-7"x 20'-4") study dressing rm/expand master bathroom @ 2nd floor and remodel to existing 2 story s.f.d. work per engineer
Valuation:
$383,200
Permit #:
21014-20000-02944
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to # 19010-10000-05843 (1) omission of the valet parking waiting area (2) addition of a full-height non structural stucco infill wall a non structural decorative louvered wall and a decorative baffled ceiling within the parking garage accentuating the breezeway; and (3) relocation of one accessible parking space and one ev charging station. no chnage in the total number o... see more
Valuation:
$195,000
Permit #:
19010-10010-05843
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan renovation of exterior courtyard within an existing office development including landscape hardscape seating canopy/trellis retail kiosk and fence with gate
Valuation:
$2,750,000
Permit #:
22016-10000-16988
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Suppl to permit# 21014-20000-02944 to revise & addition (25'-9"x 23'-8") irr shape guest bed# 6 with bathroom & closet to (e) single family dwelling & change architectural sturctural plan. work per engineer
Valuation:
$85,000
Permit #:
21014-20001-02944
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Construct a new 2 level parking structure podium with two (2) new 2 story commercial office buildings above per dir-2019-4899-spr (nrpa 13 thru out) (core and shell)
Valuation:
$20,000,000
Permit #:
19010-10000-05843
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 17014-10000-03544 for revisions to fire-proofing at trellis
Valuation:
$500,000
Permit #:
17014-10001-03544
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 20010-10000-02076 to revise floor plan of the power room
Valuation:
$13,000
Permit #:
20010-10003-02076
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Construct one (1) new 3 story commercial office building per dir-2019-4899-spr (nrpa 13 thru out) core and shell
Valuation:
$6,000,000
Permit #:
20010-10000-00919
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use retail to office recording studio restaurant concert hall ( with no seating) intended for the use of the tenant and addition 210'8 x 79'0 (irregular ) 10 115 sf. second floor addition to ((e) 1-story type iiia building. addition new elevator
Valuation:
$3,579,680
Permit #:
18014-10000-07186
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
(n) open raised deck at rear of convent building and interior/exteiror remodel to remove and addition new partitions plumbing fixtures accessibtle ramps and mill work finishes. no change in floor area nor use
Valuation:
$350,000
Permit #:
20016-10000-20763
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to permit application # 20010-10000-00881 to addition the proposed solar panels to the roof plan and addition the solar combo permit on the checklist items
Valuation:
$10,000
Permit #:
20010-10002-00881
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior and exterior alterations to existing residence. revise interior wall layout and new interior finishes. net decrease in residential floor area
Valuation:
$2,000,000
Permit #:
16016-10000-07410
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental revison to 19010-10000-00001 to relocate indoor long term bicycle parking and addition rated shaft wall to relocate das riser. no structural revisions. no sitework revisions. no reduction in number of bicycle parking
Valuation:
$2,000
Permit #:
19010-10005-00001
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
(n) 1-story s.f.d. w attach. garage. fully equipped w/fire sprinklers nfpa 13r
Valuation:
$646,000
Permit #:
21010-30000-06698
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel and addition to (e) s.f.d. and (n) roof deck ***construction of a roof deck and dumbwaiter exterior gates and fencing and minor interior remodeling.***
Valuation:
$260,000
Permit #:
20016-30000-28003
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*** under construction *** supplemental to permit no. 20016-30000-28003 to enclose existing 2nd floor patio replace all windows and revise structural plans due to changes
Valuation:
$501
Permit #:
20016-30003-28003
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revise use of a portion (5101 sqft) of scope of work from a change of use and tennat improvement per permit (18014-10000-07186) from retail to cafe. no additional sqft is proposed. no change in parking (ez). restaurant is an accessory to the main office use (no monetary transactions). remove structural columns along grid line 11 and addition brace frame
Valuation:
$200,001
Permit #:
19016-10000-39808
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 20030-10000-01595 to transfer permit from contractor g h b w license number 983577 to mata construction services inc license number 842965
Valuation:
N/A
Permit #:
20030-10001-01595
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit no. 19010-30000-05827 to revise foundation plan relocate emergency escape and rescue openning and new walkabel skylight with operative hatch
Valuation:
$501
Permit #:
19010-30004-05827
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 20010-10000-00881 to transfer permit from g h b w license number 983577 to mata construction services inc license number 842965
Valuation:
N/A
Permit #:
20010-10001-00881
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Rios Mark William Reviews
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Verified License
BuildZoom confirmed this contractor's license
Rios Mark William License info
License Not Verified
| License # | 3727 |
| Status | Active |
| State | California |
| Type | Landscape Architect |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Rios Mark William with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C15744 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Rios Mark William at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
153
Permits
- Building permit records show that Rios Mark William has worked on 153 permitted projects.