Updated: Apr 10, 2026
Location and Projects
Address
120 W POMONA AVENUE, Monrovia, CA, 91016
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Chelsea Construction Corp
Serving Monrovia and the greater Los Angeles area, Chelsea Construction Corp specializes in residential and commercial building projects. With 29 years of experience, the company handles new construction, additions, and remodels, offering project management from planning through completion. Portfolio examples include custom single-family home construction, interior renovations, and commercial tenant improvements. Chelsea Construction Corp works with homeowners and business property owners on both small- and large-scale projects. The team manages all phases of construction, coordinating with architects and engineers to deliver projects that meet local building codes and client requirements. Based in Monrovia, the company serves clients throughout nearby neighborhoods and cities, providing general contracting services for projects ranging from kitchen remodels to ground-up commercial developments.
Chelsea Construction Corp Services
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Chelsea Construction Corp Contact Information
Phone Number: (661) 433-8678
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Address: 120 W POMONA AVENUE, Monrovia, CA 91016
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Chelsea Construction Corp Monrovia
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chelsea Construction Corp has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
4 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Chelsea Construction Corp 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
|
3 projects
|
Home Additions |
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Chelsea Construction Corp mostly works on
new construction
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $45,000. 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.
Building Permits by Chelsea Construction Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
788 sf 2 story addition & remodel to 2 story single family residence
Valuation:
$375,000
Permit #:
BLD24-0327
Status:
issued
Fee:
$15,183
Permit Type:
N/A
Building Type:
N/A
Interior renovation to (e) single family dwelling to the (e) kitchen and (3) bathrooms. addition new bathroom new exterior attached uncovered trellis and renovate ground-elevated platform
Valuation:
$65,000
Permit #:
18016-10000-05826
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New (390)sf detached adu - attached to garage & 3 hvac units screened by wall - adu address 305 n cedar dr -
Valuation:
$600,003
Permit #:
207230
Status:
issued
Fee:
$779
Permit Type:
N/A
Building Type:
N/A
Replace 16 window(s). same size location number type. replace 6 door(s). same size location number type. interior kitchen remodel/repair (no changes in walls or openings). interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$50,500
Permit #:
21016-90000-17580
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 18014 - 10000 - 06362 to change the height of basement and to addition a light well. see comments
Valuation:
$20,000
Permit #:
18014-10001-06362
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 571 sf detached adu
Valuation:
$250,000
Permit #:
BLD24-0328
Status:
issued
Fee:
$7,234
Permit Type:
N/A
Building Type:
N/A
Convert a portion of an (e) garage and a play room and an addition of (10'x13.75') to become an accessory dwelling unit per ab 494 & sb229
Valuation:
$35,000
Permit #:
18014-10000-05400
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Demolition of (e) 2-story single family dwelling with attached garage. sewer cap and fence for pedestrian protection fence is required per dpi
Valuation:
$30,000
Permit #:
23019-10000-02466
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 18014-10000-05092 for the work description revision “major interior remodel to single family residence. covered patio addition will remove and rebuild a section of the house up to 486 sf as reflected in the [approved] plans. no fire sprinklers required per inspector request
Valuation:
$600
Permit #:
18014-10002-05092
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New two story accessory building with garage at 1st floor and rec room at 2nd floor
Valuation:
$125,000
Permit #:
13010-30000-01673
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New two story accessory building with garage at 1st floor and rec room at 2nd floor
Valuation:
$125,000
Permit #:
13010-30000-01673
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
788 sf 2 story addition & remodel to 2 story single family residence
Valuation:
N/A
Permit #:
PLB25-0016
Status:
issued
Fee:
$685
Permit Type:
Alteration remode...
Building Type:
N/A
788 sf 2 story addition & remodel to 2 story single family residence
Valuation:
N/A
Permit #:
MEC25-0013
Status:
issued
Fee:
$474
Permit Type:
Alteration remode...
Building Type:
N/A
788 sf 2 story addition & remodel to 2 story single family residence
Valuation:
N/A
Permit #:
ELE25-0020
Status:
issued
Fee:
$414
Permit Type:
Addition
Building Type:
N/A
Replace drywall/plaster (patch and paint). non-structural repair only. replace damaged wood framing (less than 10%). same size spacing type
Valuation:
$14,440
Permit #:
21016-90000-17586
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition of kitchen at 91 s/f; dining room at 134 s/f; playroom/hall at 48 s/f; family room at 107 s/f; second level at 1, 373 s/f; remodel living room to convert existing dining to guest bedroom at 226 s/f; remodel 1, 556 s/f on first floor; new rear deck w trellis cover at 173 s/f; remove wood deck and trellis at south sideyard
Valuation:
N/A
Permit #:
BLD2016-01005
Status:
final
Fee:
N/A
Permit Type:
General
Building Type:
N/A
Supplemental to revise the address to 10049 w hillgrove dr. no fee department error
Valuation:
N/A
Permit #:
21010-10001-03656
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Backfill of (e) swiming pool with structural compacted fill and remove the shell
Valuation:
$200
Permit #:
23030-10000-05664
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
First & second floor addition total (645)sf addition patio & porch (275)sf demolish (e) carport (587)sf and residence remodel (910)sf
Valuation:
N/A
Permit #:
207227
Status:
issued
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
First & second floor addition total (645)sf addition patio & porch (275)sf demolish (e) carport (587)sf and residence remodel (910)sf
Valuation:
N/A
Permit #:
207226
Status:
issued
Fee:
$297
Permit Type:
N/A
Building Type:
N/A
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Chelsea Construction Corp Reviews
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Chelsea Construction Corp License info
Verified License
| License # | 710035 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Chelsea Construction Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 325446 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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 Chelsea Construction Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 561642 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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 Chelsea Construction Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
102
Permits
- Building permit records show that Chelsea Construction Corp has worked on 102 permitted projects.
Chelsea Construction Corp Employees
DC
David Louis Calabria
Sole Owner
KS
Kathleen Hurley Snashall
Officer
MS
Mark Snashall
Rmo/Ceo/Pres
RK
Ralph William Knapp
Sole Owner