Updated: Apr 20, 2026
Location and Projects
Address
9241 BROOKSHIRE AVENUE, Downey, CA, 90240
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Grant Wayne Neilan Construction
Serving Downey, CA, Grant Wayne Neilan is an experienced contractor with five years in the construction industry. The business is equipped to handle residential projects in the greater Downey area, managing a range of building and remodeling tasks. Project experience includes home improvements, renovations, and structural updates tailored to single-family properties. Grant Wayne Neilan manages each phase of construction with a focus on timelines and job requirements as outlined by homeowners. Whether clients need interior updates or exterior work, the company demonstrates proficiency in working on established homes and updating them to meet current standards. Clients in and around Downey rely on Grant Wayne Neilan for their residential construction, remodels, and related building needs.
Grant Wayne Neilan Services
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Grant Wayne Neilan Contact Information
Phone Number: (562) 413-7577
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Address: 9241 BROOKSHIRE AVENUE, Downey, CA 90240
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Grant Wayne Neilan Downey
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Grant Wayne Neilan has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
5 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Grant Wayne Neilan has worked on at least
9.0 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 |
|
1 project
|
$5k-$20k |
|
2 projects
|
$50k-$100k |
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.
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over new solid sheathing 30 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for ... see more
Valuation:
$9,000
Permit #:
25016-90000-00024
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to main house 442.43 sq ft (master bedroom with full bathroom) and full re-hab remodel interior and exterior unit: replace all doors exterior and interior paint drywall flooring new kitchen and bathroom cabinets- counters replace damaged wood studs - remove existing enclosed patio cover 237.15 sq ft
Valuation:
$55,000
Permit #:
23014-10000-03223
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Major remodel (e) 1-story sfd: inld relocate kitchen remodel family & dining room resize hall bathroom relocate laundry relocate master & bathroom (n) windows repair chimney mep (n) 200 amp main panel; r/r 53 sf porch
Valuation:
N/A
Permit #:
C2023-004491
Status:
final
Fee:
$6,211
Permit Type:
N/A
Building Type:
N/A
Bldg-addition
4608 S 10th Ave, Los Angeles, CA, 90043
2024-01-05
Addition and convert (e) garage to adu with patio per ca govt. code 65852.2(e)(1)(b) and applicable part2 of lamc 12.22 a.33 (c)-(d) (g)
Valuation:
$90,000
Permit #:
22014-10000-01708
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Rear bathroom addition 136 sq ft remodel bedroom bathroom & kitchen & dinning room convert (e) game room into a 3rd bedroom replace all windows like for like demolish of patio cover 337 sq ft
Valuation:
$59,492
Permit #:
BLD-22-01899
Status:
final
Fee:
$3,696
Permit Type:
N/A
Building Type:
N/A
Supplemental permit to #22016 - _10000 - _25809 for change in contractor from __valencia construction co license #1015167 to grant wayne neilan license #1072282
Valuation:
N/A
Permit #:
22016-20001-25809
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-addition
4606 S 10th Ave, Los Angeles, CA, 90043
2024-01-05
One story addition to rear of (e) single family dwelling. remodel kitchen and existing bedrooms
Valuation:
$50,000
Permit #:
22014-10000-01704
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Front addition 114 sq. ft new porch 114 sq. ft remodel kitchen dinning and living room 600 sq. ft.**12/27/2021 replace hvac + 10 ducts ****01/10/22 mpu 200 amps 40 lights 22 switches 42 outlets**
Valuation:
$87,931
Permit #:
BLD-21-00647
Status:
complete
Fee:
$4,134
Permit Type:
N/A
Building Type:
N/A
Supplemental permit 22010-20000-04925 transfer permit to: license # 1072282 contractor name grant wayne neilan
Valuation:
N/A
Permit #:
22010-20001-04925
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #21014-10000-05399 to change contractors to lic.#1072282 grant wayne neilan
Valuation:
N/A
Permit #:
21014-10001-05399
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New detached adu at 531 s/f with 1 bedroom and 1 bathroom
Valuation:
$97,948
Permit #:
BLD-23-01997
Status:
complete
Fee:
$7,546
Permit Type:
N/A
Building Type:
N/A
Supplemental permit to 22014-20000-04932 to change contractor to grant wayne neilan
Valuation:
N/A
Permit #:
22014-10001-04932
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New adu 798.74 sq ft addition to (e) garage 115 sq ft
Valuation:
$114,682
Permit #:
BLD-21-02127
Status:
triage
Fee:
$8,626
Permit Type:
N/A
Building Type:
N/A
Supplemental to revise the structural plans
Valuation:
$4,000
Permit #:
23014-10001-03223
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New patio cover 448 sq ft
Valuation:
$5,985
Permit #:
BLD-22-01233
Status:
final
Fee:
$561
Permit Type:
N/A
Building Type:
N/A
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Grant Wayne Neilan License info
Verified License
| License # | 1142947 |
| Status | Active |
| State | California |
| Type | General Building |
| Date Issued | 09-03-2025 |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grant Wayne Neilan at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1072282 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Grant Wayne Neilan at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Contractors Bonding & Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
12
Permits
- Building permit records show that Grant Wayne Neilan has worked on 12 permitted projects.
Grant Wayne Neilan Employees
ED
Evan Roy Dickinson
Member
GN
Grant Wayne Neilan
Sole Owner
RD
Roy Alonzo Dickinson
Member