Updated: May 08, 2026
Location and Projects
Address
Marriottsville, MD, 21104
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Ronald Kent Johnston Architect
Ronald Kent Johnston, Marriottsville, MD holds a Architects license and 1 other license according to the Maryland license board.
Their BuildZoom score of 102 ranks in the top 11% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ronald Kent Johnston, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Ronald Kent Johnston Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential addition single family dwelling permit
2025-05-30
Single family dwelling construct 24 x 37.5 (1) story addition to create new bedroom and full bathroom on finished basement consisting of workshop and storage closet and 24 x 6.25 deck 1 story full basement 2r 1fb 0hb 0fp other structure = none 1br porch/deck = deck energy method = prescriptive method
Valuation:
N/A
Permit #:
B25001673
Status:
issued
Fee:
$5,502
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2025-05-05
Single family dwelling construct 24 x 28 addition for new family room 24'6 x 28 (2) car garage a 15 x 12 screened porch and a 5 x 8 roof over stoop 1 story full basement 1r 0fb 0hb 1fp other structure = 2 car attached 0br porch/deck = screen porch energy method = prescriptive method
Valuation:
N/A
Permit #:
B25001193
Status:
issued
Fee:
$4,528
Permit Type:
N/A
Building Type:
N/A
Nov unpermitted work 20 x 20 pavillion on existing patio w outdoor kitchen; originally submitted under b23001060 due to zoning issues with garage this scope permitted separately cb230138
Valuation:
N/A
Permit #:
B25001315
Status:
issued
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Nov unpermitted work 20 x 20 pavillion on existing patio w outdoor kitchen; originally submitted under b23001060 due to zoning issues with garage this scope permitted separately cb230138
Valuation:
N/A
Permit #:
B25001315
Status:
issued
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Single family dwelling demolish existing deck and building new indoor pool addition at rear of house 1 story slab on grade 3r 1fb 0hb 0fp other structure = n/a 0br porch/deck = deck energy method = prescriptive method
Valuation:
N/A
Permit #:
B24003061
Status:
complete
Fee:
$17,448
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2025-02-04
Single family dwelling building a 69'x20 (2)-story addition on full basement with a new basement-level garage and new decks (1) 12'x5 (2) 13'x3.5. replace existing main entrance stoop with new larger covered 35'x 7'x porch expand existing kitchen with 2nd stove new over framed gable above existing garage 2 story full basement 5r 3fb 1hb 0fp other structure = attached garage 2br porch/... see more
Valuation:
N/A
Permit #:
B24004694
Status:
issued
Fee:
$17,267
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2024-06-27
Sfd/alterations for: on upper level reconfigure existing bedrooms and baths and reconfigure existing windows and doors per new layout; building new entrance stoop at new main entrance door location on right side of building. on lower level reconfigure openings at existing garage. approx 938 sqft **subject to field inspection**
Valuation:
N/A
Permit #:
B24002364
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2024-05-22
Nov single family dwelling unpermitted work including: addition laundry room to garage reconfigure garage doors demolish existing stair & rebuild new stair addition island to kitchen proposed work to include: open basement office up to hall with new 4'-0 opening & rec room (see b23001060 b19001055 wp-24-051 & cb230138)**sleeping rooms not permitted in basement unless egress is provide... see more
Valuation:
N/A
Permit #:
B24001621
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2025-09-22
Single family dwelling construct a 19 x 8 dining room extension addition an 8 x 17 master suite extension and a 27 x 28 attached garage also reconfigure existing rooms on first and second floor 1 story part crawl space/part slab on grade 0r 0fb 0hb 0fp other structure = 2 car attached 0br porch/deck = n/a energy method = prescriptive method **fire sprinklers not required**
Valuation:
N/A
Permit #:
B25003489
Status:
approved
Fee:
$2,950
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2025-07-30
Single family dwelling total rebuild to (2) story home damaged by fire using the existing foundation 2 story full basement 17r 5fb 1hb 1fp other structure = none 5br porch/deck = open porch and deck energy method = prescriptive method
Valuation:
N/A
Permit #:
B25002889
Status:
canceled
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Residential new single family dwelling permit
2025-08-15
Custom 2 story full basement 17r 5fb 1hb 1fp none 5br open porch and deck energy method = prescriptive method null. lod = 4 450 sq ft
Valuation:
N/A
Permit #:
B25003271
Status:
triage
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Single family dwelling construct a new21x13 screen porch**subject to field inspection**
Valuation:
N/A
Permit #:
B25001540
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2025-06-25
Nov single family dwelling construct (1) story 21 x 19 addition to create one bed and one bathroom (see cb250463) 1 story slab on grade 1r 1fb 0hb 0fp other structure = n/a 1br porch/deck = n/a energy method = prescriptive method
Valuation:
N/A
Permit #:
B25002406
Status:
issued
Fee:
$1,338
Permit Type:
N/A
Building Type:
N/A
Suite b prestige ledroit distributing company install a walk-in cooler within the existing warehouse space*amendment submitted 1.23.2025 to install a second walk a second walk in cooler adjacent to the first*
Valuation:
N/A
Permit #:
B24003709
Status:
complete
Fee:
$987
Permit Type:
N/A
Building Type:
N/A
Single family dwelling construct new 28 x 36 detached garage unfinished attic storage 1 story slab on grade 0r 0fb 0hb 0fp other structure = detached garage 0br porch/deck = n/a energy method = n/a
Valuation:
N/A
Permit #:
B24000884
Status:
issued
Fee:
$299
Permit Type:
N/A
Building Type:
N/A
Single family dwelling 12'x34.5 one story addition on basement including new eating area mudroom and covered porch; interior alterations to existing laundry and kitchen; convert existing full bathroom to half bathroom. 828 sq. ft addition (414 sq. ft. 1st floor 414 sq. ft. basement) 1 story full basement 2r -1fb 1hb 0fp other structure = n/a 0br porch/deck = rear porch energy method =... see more
Valuation:
N/A
Permit #:
B24003002
Status:
complete
Fee:
$1,495
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2024-04-05
Single family dwelling construct 36 x 19 (1) story addition for in-law suite w 7 x 10 covered front porch 1 story crawl space 2r 1fb 0hb 0fp other structure = none 1br porch/deck = front porch energy method = prescriptive method
Valuation:
N/A
Permit #:
B24000748
Status:
complete
Fee:
$2,161
Permit Type:
N/A
Building Type:
N/A
Single family dwelling demolish existing deck and building new indoor pool addition at rear of house 1 story slab on grade 3r 1fb 0hb 0fp other structure = n/a 0br porch/deck = deck energy method = prescriptive method
Valuation:
N/A
Permit #:
B24003061
Status:
complete
Fee:
$17,448
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2024-04-23
Single family dwelling construct a new 7 wide basement access areaway at the location of an existing window on the right side of the house towards the rear.**subject to field inspection**
Valuation:
N/A
Permit #:
B24000894
Status:
issued
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Suite b prestige ledroit distributing company install a walk-in cooler within the existing warehouse space*amendment submitted 1.23.2025 to install a second walk a second walk in cooler adjacent to the first*
Valuation:
N/A
Permit #:
B24003709
Status:
complete
Fee:
$987
Permit Type:
N/A
Building Type:
N/A
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125
BZ Score
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Avg Project
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Projects
127
BZ Score
$42.5K
Avg Project
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Projects
128
BZ Score
$1
Avg Project
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Projects
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Verified License
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Ronald Kent Johnston License info
Verified License
| License # | 10019 |
| Status | Active |
| State | Maryland |
| Type | Architects |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ronald Kent Johnston at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | S5-0007836 |
| Status | Active |
| State | Delaware |
| Type | Architecture, Licensed Architect |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of Ronald Kent Johnston with the Delaware Board of Architects
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
33
Permits
- Building permit records show that Ronald Kent Johnston has worked on 33 permitted projects.
Ronald Kent Johnston Employees
RJ
Ronald Kent Johnston
Owner