Updated: May 22, 2026
Location and Projects
Address
2406 OLIVE AVENUE, La Crescenta, CA, 91214
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Diankov, Nikolay Ivanov Construction
Based in La Crescenta, CA, Nikolay Ivanov Diankov brings three decades of experience to residential construction projects throughout the greater Los Angeles area. With a focus on home improvement and renovation, Diankov works on a range of projects, including remodels and structural updates. Serving homeowners in La Crescenta and surrounding communities, he applies extensive industry knowledge to each phase of construction, from planning and permitting to project completion. Diankov’s long tenure in the field reflects a sustained presence in the local building trades, meeting the needs of property owners seeking dependable residential construction services in the region.
Diankov, Nikolay Ivanov Services
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Diankov, Nikolay Ivanov Contact Information
Phone Number: (818) 269-6848
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Address: 2406 OLIVE AVENUE, La Crescenta, CA 91214
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Diankov, Nikolay Ivanov La Crescenta
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Diankov, Nikolay Ivanov has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2023 |
Our building permit records indicate that Diankov, Nikolay Ivanov has worked on at least
6.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $42,500. 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 Diankov, Nikolay Ivanov
This is a sample of this contractor's permits. Click here to access their complete permit history.
(n) one-story detached accessory dwelling unit per ca govt. code 65852.2(e)(1)(b). all work per wfpp. **“the lid clearance has been deferred. approval for lid requirements shall be obtained from lasan prior to the issuance of the certificate of occupancy.”**
Valuation:
$100,000
Permit #:
21010-10000-02675
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) detached garage to adu and addition 14'x9'9.5 ground floor addition to 18'x12'3 (e) garage per ord. no 186481. comply with department order effective date 11/03/2017. permit will expire 30 days from issuance date
Valuation:
$26,000
Permit #:
20014-10000-00136
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit # 20014-10000-00136 to provide (n) foundation for existing garage slab comply with department order effective date 11/03/2017. permit will expire 30 days from issuance date
Valuation:
$5,000
Permit #:
20014-10001-00136
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel and convert (39'-4 x 42'-0 1, 137 sq. ft.) (e) crawl space within the (e) single family dwelling to an accessory dwelling unit per gcs 65852.2(e)(1)(c). all work per engineering
Valuation:
$100,000
Permit #:
20016-20000-32908
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
22'-5 x 42'-5 first floor addition and 19'-3 x 50'-5 second floor addition to existing single family dwelling with attached garage; interior remodel
Valuation:
$128,000
Permit #:
20014-20000-00619
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Soft story retrofit as per labc chapter 93. install new steel cantilevered column at the tuck under parking region of a 2 story apartment building
Valuation:
$20,000
Permit #:
18016-10000-18507
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reinforce (e) retaining wall and extend retaining wall. comply with department order effective date 08/10/2018. permit will expire 30 days from issuance date
Valuation:
$15,000
Permit #:
19020-10000-01564
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel of exising single family dwelling. separate remodel and grond floor addition permit under 21014-10000-00931
Valuation:
$25,000
Permit #:
22016-20000-20450
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan convert existing detached garage into an adu
Valuation:
$50,000
Permit #:
23016-20000-07139
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition & expand (30'-0"x 31'-6") irr shape living & master bedroom to (e) single family dwelling. all work per eng'r design
Valuation:
$45,000
Permit #:
19014-20000-05842
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Repair roof ceiling and foundation to (e) single family dwelling
Valuation:
$10,000
Permit #:
22016-10000-30814
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan addition to existing 1-story single family residence and remodel
Valuation:
$35,000
Permit #:
23014-20000-02213
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Voluntary bolting and cripple wall bracing and replace (8) damaged footing piers with new piers into 12"x12 concrete footings and addition new 4x6 posts at new piers per engineer design
Valuation:
N/A
Permit #:
20016-10000-22987
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 10'-0 x 5'-6 to (e) detached one car garage and convert it to accessory dwelling unit
Valuation:
$81,000
Permit #:
20014-20000-00654
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 20014-10000-00136 to addition floor area in proposed adu per engineer design
Valuation:
$10,000
Permit #:
20014-10002-00136
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story type v-n (fully sprinklered) single family dwelling w attached garage & storage room
Valuation:
N/A
Permit #:
04010-20000-02440
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 19016 - 10000 - 10581 soft story retrofit as per labc ch. 93 using 3 sccs revise framing plan and shear transfer details. revise foundation at rear
Valuation:
N/A
Permit #:
19016-10001-10581
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(n) addition to back unit to remove portion of (e) sun room to create living space relocate the kitchen and interior renovation of existing unit as well as adding a (n) 1/2 bathroom
Valuation:
$80,000
Permit #:
17014-10000-05952
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2'-0 x 21'-0 first floor addition to (e)garage and 15'-0 x 21'-0 second story addition for an accessory dwelling unit per ab 494 & sb 229
Valuation:
$30,000
Permit #:
19014-20000-00098
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Soft story retrofit as per lamc division 93. install (n) special steel cantilevered columns at the tuck under parking region of a 2 story apartment building
Valuation:
$60,000
Permit #:
18016-10000-05422
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Diankov, Nikolay Ivanov License info
Verified License
| License # | CAC52206 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Diankov, Nikolay Ivanov at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 748863 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Diankov, Nikolay Ivanov at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
239
Permits
- Building permit records show that Diankov, Nikolay Ivanov has worked on 239 permitted projects.
Diankov, Nikolay Ivanov Employees
ND
Nikolay Ivanov Diankov
Owner