Updated: Apr 03, 2026
Location and Projects
Address
05 513544016 OVERLOOK DR, Ellicott City, MD, 21043
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Robert Knudsen Builders Construction
Robert Knudsen Builders Inc at 05 513544016 OVERLOOK DR, Ellicott City, MD 21043, held a General Contractor license (#68915) with the Maryland contractors license board with an expiration date of 09-18-2019. We last verified the license was expired on 04-02-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 58,058 Maryland contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Robert Knudsen Builders Inc Services
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Robert Knudsen Builders Inc Contact Information
Phone Number: (443) 812-3568
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Address: 05 513544016 OVERLOOK DR, Ellicott City, MD 21043
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Building Permits by Robert Knudsen Builders Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Single family dwelling construct 20 x 16 screened porch with outdoor gas fireplace 22 x 16 open deck with steps; remodel existing master bathroom **floor plans too large to scan**
Valuation:
N/A
Permit #:
B19000206
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2015-11-25
Single family dwelling construct 2 additions screened porch additional porch & deck 1 story addition full finish basement 2r 1 hb (1br) screen porchs deck energy code prescriptive method
Valuation:
N/A
Permit #:
B15004967
Status:
complete
Fee:
$2,187
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2012-03-01
Single family dwelling 1-story addition 2 car garage inter. alter convert ex-garage to mud room & 1hb 2 bump out of kitchen **3/1/2012 - new cap created for addition/see permit #b12000483. filing fees paid under b12000483. balance to be paid under new permit b12000610.**
Valuation:
N/A
Permit #:
B12000610
Status:
complete
Fee:
$1,566
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2015-10-29
Single family dwelling second story addition 3 r 2 fb (3 br) interior alterations energy prescriptive method
Valuation:
N/A
Permit #:
B15004551
Status:
complete
Fee:
$2,811
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2014-06-24
Single family dwelling 1-story addition sun room on crawl space 15 x 18 screened porch and deck wtih steps to grade energy code prescriptive method * 8-4-2014 amendment request to install shear wall panels * * 8-11-2014 amendment approved *
Valuation:
N/A
Permit #:
B14002233
Status:
complete
Fee:
$553
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2009-09-02
Sfd/2 story addition on craw space 2 1fb (1br) screened porch *amendment received 8-26-2009 to remove garage from project**amendment approved on 8-31-09*
Valuation:
N/A
Permit #:
B09001695
Status:
complete
Fee:
$3,246
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2016-04-07
Single family dwelling 1-story addition slab-on-grade 2-car garage & extend living room/foyer energy code prescriptive method
Valuation:
N/A
Permit #:
B16001077
Status:
complete
Fee:
$2,198
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2013-02-11
Single family dwelling finish basement to include: media room recreation room exercise room, & gas fireplace (approx. 1000 sq ft)
Valuation:
N/A
Permit #:
B13000414
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2017-05-30
Single family dwelling 2-story addition on crawl space extend kitchen 2fb 1hb energy code prescriptive method
Valuation:
N/A
Permit #:
B17001920
Status:
complete
Fee:
$472
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2013-01-15
Single family dwelling install 42 x 36 egress window in basement **window must meet egress requirements**
Valuation:
N/A
Permit #:
B13000181
Status:
complete
Fee:
$53
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2012-08-23
Single family dwelling construct a porch 20x6 and 10x3 under roof reconfigure front roof
Valuation:
N/A
Permit #:
B12002821
Status:
complete
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2014-01-23
Single family dwelling construct 17 x 16 screened porch w steps
Valuation:
N/A
Permit #:
B14000207
Status:
complete
Fee:
$79
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2004-10-28
Single family dwelling same with 1 story addition part bsmnt part crawl space extend kit & family rm/laundry room inter alter
Valuation:
N/A
Permit #:
B00150960
Status:
complete
Fee:
$1,192
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2011-08-22
Sfd/finish basement for laundry room family room reading room den 1 fb 1080 sq. ft
Valuation:
N/A
Permit #:
B11002523
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2005-09-09
Single family dwelling same with 1 story crawl space addition w/interior alterations to 2nd floor 1 fb & deck
Valuation:
N/A
Permit #:
B00155918
Status:
complete
Fee:
$1,886
Permit Type:
N/A
Building Type:
N/A
Commercial alteration permit
2010-04-21
Waverly custom framing/stes. 101 & 102/renovate an existing suite formerly used for cabinet sales to a suite for custom framing sales
Valuation:
N/A
Permit #:
B10000885
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2004-05-19
Sfd*7/7/04 change from crawl spact to full bsmnt* sfd-1st addition on fbsmnte 29x20 for kitchen install addtion
Valuation:
N/A
Permit #:
B00148286
Status:
complete
Fee:
$1,679
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2004-09-23
Single family dwelling same with 1 story addition full finished basement 3 rooms deck w/steps to grade
Valuation:
N/A
Permit #:
B00150475
Status:
complete
Fee:
$2,208
Permit Type:
N/A
Building Type:
N/A
Residential new single family dwelling permit
2005-12-19
Vacant lot g-9438 custom sfd- 2 story fbsmnt 9r 4fb 1fp 4br 3 car garage porch ri corrected to have finished basement
Valuation:
N/A
Permit #:
B00157408
Status:
complete
Fee:
$10,646
Permit Type:
N/A
Building Type:
N/A
Residential new single family dwelling permit
2005-08-05
Vacant lot g-8895*3/13/06 change model type* new single family dwelling highgrove model 2 story fbsmnt 8r 4fb fp garage 4br 1 rough in
Valuation:
N/A
Permit #:
B00155311
Status:
complete
Fee:
$9,026
Permit Type:
N/A
Building Type:
N/A
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Robert Knudsen Builders Inc License info
Inactive License
| License # | 68915 |
| Status | Inactive |
| State | Maryland |
| Type | Home Improvement |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Robert Knudsen Builders Inc at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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49
Permits
- Building permit records show that Robert Knudsen Builders Inc has worked on 49 permitted projects.
Robert Knudsen Builders Inc Employees
RK
Robert Matthew Knudsen
Owner