Updated: May 16, 2026
Location and Projects
Address
115 ASPEN DRIVE, Pacheco, CA, 94553
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RICHLEN PARTITION COMPANY Construction
Founded in 1978 by Rich Zavala, Richlen Partition Company operates from offices in both Pacheco and San Francisco, serving commercial clients throughout the entire Bay Area with a primary focus on San Francisco’s Financial District. The firm brings nearly 50 years of experience to tenant improvement and interior construction projects, working within some of the region’s most dynamic office environments. Richlen emphasizes a design-assist approach, collaborating closely with project teams to provide budgeting, scheduling, constructability input, and value engineering support throughout the design and construction process. The company’s project management team is actively involved from the outset—beginning with design coordination and permit acquisition through to project completion. Richlen remains current with evolving products and design trends, adapting to the changing needs of modern corporate workspaces. The firm maintains longstanding relationships with major Bay Area landlords and manages numerous repeat and on-call client agreements for ongoing tenant construction services.
RICHLEN PARTITION COMPANY Services
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RICHLEN PARTITION COMPANY Contact Information
Phone Number: (925) 360-4520
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Address: 115 ASPEN DRIVE, Pacheco, CA 94553
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RICHLEN PARTITION COMPANY Pacheco
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
RICHLEN PARTITION COMPANY has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
16 projects
|
2025 |
|
20 projects
|
2024 |
|
26 projects
|
2023 |
Our building permit records indicate that RICHLEN PARTITION COMPANY has worked on at least
62.0 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
|
19 projects
|
Commercial Renovations |
|
7 projects
|
Home Additions |
|
3 projects
|
New Constructions |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that RICHLEN PARTITION COMPANY mostly works on
commercial renovation
and home addition
projects.
Pricing
|
11 projects
|
< $5k |
|
6 projects
|
$5k-$20k |
|
7 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
19 projects
|
$100k-$250k |
|
13 projects
|
$250k-$500k |
|
11 projects
|
$500k-$1mil |
|
7 projects
|
$1mil+ |
The typical size of their permits is approximately $194,430. 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.
Building Permits by RICHLEN PARTITION COMPANY
This is a sample of this contractor's permits. Click here to access their complete permit history.
2nd floor. project scope on 2nd floor. consists of interior demolish and new construction of non-structural elements; interior partitions doors finishes ceilings lighting mechanical and plumbing (includes path of travel and restrooms)
Valuation:
$400,000
Permit #:
202412126681
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Suite 4225 42nd fl: interior demolish of non structural partitions millwork ceilings lighting & finishes. construction includes new partitions doors ceilings lighting and millwork/finishes. mep & fire life safety are deferred
Valuation:
$422,171
Permit #:
202504164515
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
26/f tenant improvment of existing suite 2670 including demolish of non structural partitions new non-structural partitions door ceilings millwork finishes and light fixtures
Valuation:
$472,708
Permit #:
202506279667
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Hvac: addition 2 heat pumps w transfer fans new duct 2 hp thermostats and relate thermostats. lighting: install new fixtures controls power and signal devices. arch 202410253783
Valuation:
$871,153
Permit #:
202501168465
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Suite 1800: tenant improvement. -combine 2 suites into one single tenant. demolish select walls and doors throughout. includes new finishes. no structural work performed. refer to approved path of travel set #202202248616. mep life safety plans will be permitted as a seperate permit
Valuation:
$322,998
Permit #:
202407247143
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Interior demoltion of 16/17 floor at 201 california. includes demolish of non-structural interior partitions doors mechanical/electrical outlets switches millwork lighting dropped ceiling and flooring. per ab-017 occupancy/exiting to be address under separate permit. fire sprinkler pa 20240919112
Valuation:
$533,583
Permit #:
202409261653
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
27th fl:interior demolition of select partitions finishes and ceilings. relocation of some (e) light fixtures to accomodate new layout. new construction includes new private offices and dropped ceiling with lighting. patching of (e) finishes. mep and fls are deffered submittals
Valuation:
$411,827
Permit #:
202310259410
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
34th floor. tenant suite demising and corridor construction at the 34th floor. new non-structural partitions mechanical electrical light and finishes. minor plumbing modifications to mens restroom
Valuation:
$350,000
Permit #:
202411064499
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
5th floor ste 520: shall consist of limited interior demolition and const. of non-struc elements including but not necessary lmted to partitions finishes electrical outlets and switches. work does not affect fixture quantities occupant load or path of travel
Valuation:
$291,009
Permit #:
202410032275
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Suite #550: demolition of non-structural partitions reception desk casework light fixtures and finishes. construction of non-structural partitions doors interior glazing system casework light fixtures and finishes. patch and repair existing ceilings as required. no plumbing fixtures
Valuation:
$144,000
Permit #:
202507160889
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
2nd floor. demolition and construction of non-structural walls door glazing ceilings lighting fixtures millwork and finishes new movebable wall and structural beam support restroom finish upgrades new drinking fountain. mep deferred
Valuation:
$1,816,064
Permit #:
202410253783
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Provide temporary shoring system to facilitate excavation and construction of the proposed remodel and addtion per approved pa# 202212027617r
Valuation:
$5,000
Permit #:
202303203974
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
** final interior walls demolish permit 22-685008 prior to finaling this permit ** phase i facility tenant improvement is under a separate permit 22-689796 ** this project is phase ii --- phase ii- new tenant's r&d facility tenant improvement with calcs area of work: 129, 769 sq ft ** issue ceritifcate of occupancy. scope of work 1) addition partition walls to create new offices meeti... see more
Valuation:
$10,000,000
Permit #:
2023 079668 CI
Status:
issued
Fee:
$62,402
Permit Type:
R & d lab
Building Type:
N/A
12/f: suite 1200 spec suite - demolish of (e) partitions ceiling tiles lighting finishes and millwork. new work consists of new partitions doors/frames/hardware millwork power/data new ceiling grid tiles and lighting. mep and fire life safety under sep permit maher n/a
Valuation:
$400,000
Permit #:
202202188280
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Abe upgrade including providing level landing at top and bottom of existing stair new level accessible van loading zone and modified curb cuts at existing sidewalk. abe 202306157591
Valuation:
$126,000
Permit #:
202408128412
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
86 - prkng garage...
18th fl ste 1850 of limited interior demolition of non-structural elements including interior partitions doors ceiling/lighting and finishes. construction (n) glass fronts frames power and tele data act ceiling/lighting millwork & finishes. scope of work does not affect fixture quantities or
Valuation:
$216,353
Permit #:
202402145870
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
29th floor: tenant improvement. in existing tenant space. demolition includes some walls millwork and finishes. new construction to include walls doors millwork power finishes etc. no structural work is required. no change to occupancy type or building egress system
Valuation:
$200,000
Permit #:
202406053743
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
22/f - #2230: demolish of nonstructural elements interior partitions doors ceiling/lighting/finishes construction of new glass fronts frames power & tele/data act ceiling/lighting millwork & finishes
Valuation:
$442,270
Permit #:
202311090499
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
7/f - #710: demolish of nonstructural elements interior partitions doors ceiling/lighting/finishes construction of new glass fronts frames power & tele/data act ceiling/lighting millwork & finishes
Valuation:
$504,622
Permit #:
202311090493
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
15/f suite 1500: architectural only. interior only office tenant improvement. new partitions offices and finishes. mep deferred
Valuation:
$601,994
Permit #:
202510026577
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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RICHLEN PARTITION COMPANY License info
Verified License
| License # | 570031 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for RICHLEN PARTITION COMPANY at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 353040 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- 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 RICHLEN PARTITION COMPANY at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Travelers Property Casualty Company Of America |
350
Permits
- Building permit records show that RICHLEN PARTITION COMPANY has worked on 350 permitted projects.
RICHLEN PARTITION COMPANY Employees
DZ
David Aaron Zavala
Ceo / President
LG
Leonard Keith Gierahn
General Partner
RZ
Richard Ramon Zavala
Rmo / Ceo / Pres