Updated: May 20, 2026
Location and Projects
Address
1481 DARLENE DRIVE, Concord, CA, 94520
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The Renovation Studio Construction
The Renovation Studio, 1481 Darlene Dr, Concord, CA (Employee: Krasimir Kaloyanov Shishkov) holds a General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring The Renovation Studio, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
The Renovation Studio Services
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The Renovation Studio Contact Information
Phone Number: (925) 383-5079
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Address: 1481 DARLENE DRIVE, Concord, CA 94520
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The Renovation Studio Concord
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
The Renovation Studio has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that The Renovation Studio has worked on at least
5.0 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
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that The Renovation Studio mostly works on
kitchen remodel
projects.
Pricing
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
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 The Renovation Studio
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential kitchen remodel - move kitchen from (e) location 10 feet away to current dining room area; raise (n) kitchen location floor; upgrade electrical & plumbing (bldg/mech/elec/plumbing) in the fema flood zone area
Valuation:
$25,000
Permit #:
CB22-0432
Status:
final
Fee:
$1,825
Permit Type:
N/A
Building Type:
N/A
Express bathroom like-for-like remodel permit - residential
2025-01-21
Like for like bathroom remodel new sink new toilet new shower on same location tub to shower transition on same location
Valuation:
$20,000
Permit #:
CBW25-0010
Status:
final
Fee:
$1,642
Permit Type:
N/A
Building Type:
N/A
Express kitchen like-for-like remodel permit - residential
2025-07-08
Like for like kitchen remodel.new cabinets new countertops new appliances upgrade all electrical to curent electrical codes
Valuation:
$40,000
Permit #:
CBW25-0125
Status:
issued
Fee:
$1,946
Permit Type:
N/A
Building Type:
N/A
Residential remodel of ground floor kitchen & laundry area second floor master bathroom replace 1 window new structural headers (bldg/mech/elec/plumbing)
Valuation:
$45,000
Permit #:
CB22-0659
Status:
final
Fee:
$3,074
Permit Type:
N/A
Building Type:
N/A
***(02/04/2021 dd added to scope - dedicated gas line to new range)*** kitchen remodeling with new cabinets and appliances. remove one load bearing wall per engineers specifications. remove half of the closet area in the hallway - 204 sq ft (bldg/mech/elec/plumbing)
Valuation:
$55,000
Permit #:
CB20-0649
Status:
final
Fee:
$3,015
Permit Type:
N/A
Building Type:
N/A
Express kitchen like-for-like remodel permit - residential
2022-06-22
Like for like kitchen remodeling. no structural changes. no exterior work remove and replace all cabinets and appliances. all new appliances are electric bring all electrical and plumbing up to code
Valuation:
$30,500
Permit #:
CBW22-0120
Status:
final
Fee:
$1,684
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel: upgrade electrical to meet current code; remove one interior wall; replace hood exhaust; upgrade plumbing. no permit required to replace cabinets & counter tops (bldg/mech/elec/plumbing)
Valuation:
$45,000
Permit #:
CB21-0317
Status:
final
Fee:
$2,931
Permit Type:
N/A
Building Type:
N/A
Express bathroom like-for-like remodel permit - residential
2025-07-08
Like for like bathroom remodel. replace all tiles and fixtures. no exterior or structural changes
Valuation:
$20,000
Permit #:
CBW25-0126
Status:
issued
Fee:
$1,642
Permit Type:
N/A
Building Type:
N/A
Two bathrooms remodel. remove existing bathroom tubs and turn into walk in shower in both bathrooms. new tiles on shower walls. new bathroom fixtures
Valuation:
$25,000
Permit #:
BISUB22-03571
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Express bathroom like-for-like remodel permit - residential
2024-06-10
Like for like bathroom remodel no exterior or structural changes replace shower valve drain vanity sink etc new tiles
Valuation:
$20,000
Permit #:
CBW24-0089
Status:
final
Fee:
$1,537
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel upgrade existing cabinetry and countertops. upgrade lighting and electrical to meet code requirements. fire zone 2
Valuation:
$55,000
Permit #:
B2021-04407
Status:
final
Fee:
$3,127
Permit Type:
N/A
Building Type:
N/A
Two bathrooms remodel. ** 2nd floor. per contractor all work to be done at the same time. -mchin**
Valuation:
$25,000
Permit #:
BIAL22-011750
Status:
final
Fee:
$1,231
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2019-03-12
Kitchen remodel for single family dwelling including replacing garden window with double hung. also includes relocating doors for laundry room and related mep work 12/4/18 expand scope to include replacing (e) kitchen window with a door; no change to size location of opening
Valuation:
$32,000
Permit #:
RBC1804676
Status:
final
Fee:
$1,593
Permit Type:
N/A
Building Type:
N/A
Installation consists of (14) 360 watt solar photovoltaic modules at 5.04 kw roof mounted and connected to micro inverters and related electrical switchgear a
Valuation:
$12,000
Permit #:
B201704
Status:
final
Fee:
$376
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - no structural or exterior changes - remove and replace kitchen cabinets countertops and appliances. upgrading the electrical. remove and replace subpanel. removing peninsula and adding an island. (bldg/mech/plumbing/elec) **revised sheet i-4; lighting layout. install earthquake gas shutoff valve little firefighter agv-075 3/4-inch gas test. (05-22-18 j.c.)**
Valuation:
$30,000
Permit #:
CB18-0387
Status:
final
Fee:
$1,911
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel less than 300 sq.ft. no struct. changes. r/r fixtures at same location. remove shower bench. install wall shelving. upgrade elect. install light fan w humidistat. r/r windows at future date w hoa approval letter. (bldg.m.e.p.) **add: replace 2 windows at masterbath; replace sliding glass door at master bedroom living room and dining room. dmc 2/14/18**
Valuation:
$12,000
Permit #:
CB18-0111
Status:
final
Fee:
$1,712
Permit Type:
N/A
Building Type:
N/A
Replace water damage at part of ceiling and walls at kitchen. (bldg.) related permit: e18-0082:kitchen electrical. upgrade: replace cabinets; countertops; appliances in existing layout. no structural changes. (elec.) **legalize electrical. upgrades for hot tub per current code: x17-0132**
Valuation:
$4,500
Permit #:
B18-0124
Status:
final
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2018-12-14
Remodel master bathroom at existing single family dwelling including relocation of shower & toilet. (includes mechanical electrical plumbing)
Valuation:
$25,000
Permit #:
RBC1800713
Status:
final
Fee:
$1,472
Permit Type:
N/A
Building Type:
N/A
Kitchen electrical. upgrade: replace cabinets; countertops; appliances in existing layout. no structural changes. (elec.) **legalize electrical. upgrades for hot tub per current code: x17-0132**
Valuation:
$5,500
Permit #:
E18-0082
Status:
final
Fee:
$1,657
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel; modify one door way; infill one door & addition new doorway; remodel bathroom w/new lav location. (bldg m e p.)
Valuation:
$30,500
Permit #:
CB19-1008
Status:
final
Fee:
$1,684
Permit Type:
N/A
Building Type:
N/A
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The Renovation Studio Reviews
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Verified License
BuildZoom confirmed this contractor's license
The Renovation Studio License info
Verified License
| License # | 916131 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for The Renovation Studio at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F108874-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 The Renovation Studio at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F108874-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 The Renovation Studio at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Accredited Surety & Casualty Company Inc |
41
Permits
- Building permit records show that The Renovation Studio has worked on 41 permitted projects.
The Renovation Studio Employees
KS
Krasimir Kaloyanov Shishkov
Sole Owner
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