How many projects has Duff Maiden Mason Contractor Inc undertaken?

Duff Maiden Mason Contractor Inc has pulled 9.0 building permits since 2002.

Does Duff Maiden Mason Contractor Inc carry a valid contracting license?

Duff Maiden Mason Contractor Inc currently holds license DUFFMMC984RU, 31265, 31264, 31263, 31278, 31277, 31276, 31275, 31274, 31273, 31272, 31271, 31270, 31269, 31268, 31267, 31266 (Construction Contractor), which was Active when we last checked.

Duff Maiden Mason Contractor Inc

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Best General Contractors in Happy Valley

Updated: Apr 18, 2026

Duff Maiden Mason Contractor Construction

Duff Maiden Mason Contractors, Inc. offers quality and professional performance with commercial projects, including block structural walls as well as brick or stone veneers and slate walkways.

We offer quality craftsmanship with every masonry design. Every job is performed with expertise due to years of experience with brick, block, slate, and stone. We are ready to meet the specifications of many architectural designs.

From BuildZoom: Duff Maiden Mason Contractor Inc, 12690 SE Crest Dr Prt, HAPPY VALLEY, OR (Owned by: Maiden, Jeffrey Duff) holds a Construction Contractor, Construction Contractor license and 16 other licenses according to the Washington license board.

Their BuildZoom score of 100 ranks in the top 13% of 62,733 Oregon licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Duff Maiden Mason Contractor Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Building Permits by Duff Maiden Mason Contractor Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Residential addition-alteration

9860 SW Eagle Ln, Beaverton, OR, 97008

2024-10-01

Single family residence - replace chimney

Valuation:

N/A

Permit #:

BLDG-2411761

Status:

issued

Fee:

$1,319

Permit Type:

N/A

Building Type:

N/A

Building permit

2201 SE 11th Ave, Portland, OR, 97214

2007-05-29

Revision 5/24/07 - eliminate slab stairs bathrooms sklights hvac curb [new shell commercial retail building 8500 sf - see parent lur] no occupancy under this permit - occupancy under separate future tenant improvement permit

Valuation:

N/A

Permit #:

2006-163306-REV-02-CO

Status:

final

Fee:

N/A

Permit Type:

New construction

Building Type:

N/A

Building permit

2201 SE 11th Ave, Portland, OR, 97214

2007-05-29

07/28/07 rev01 change interior stair layout; move location of stormwater management planter include accessible parking space. new shell commercial retail building 8500 sf - see parent lur. no occupancy under this permit - occupancy under separate future tenant improvement permit

Valuation:

N/A

Permit #:

2006-163306-REV-01-CO

Status:

final

Fee:

N/A

Permit Type:

New construction

Building Type:

N/A

Residential structural

2206 SE Washington St, Portland, OR, 97222

2016-02-01

Rebuild chimney and reinforce footings if needed

Valuation:

$31,000

Permit #:

601-16-000126-STR

Status:

final

Fee:

$825

Permit Type:

Alteration

Building Type:

N/A

Building permit

225 SW Broadway, Portland, OR, 97205

2002-04-03

Revision 01/09/02 - tenant improvement damaged a load bearing wall - owner bringing in new engineering to compensate - see comments

Valuation:

N/A

Permit #:

2001-177217-REV-01-CO

Status:

final

Fee:

N/A

Permit Type:

Alteration

Building Type:

Office

Building permit

2201 SE 11th Ave, Portland, OR, 97214

2007-05-29

New shell commercial retail building 8500 sf - see parent lur. no occupancy under this permit - occupancy under separate future tenant improvement permit

Valuation:

N/A

Permit #:

2006-163306-000-00-CO

Status:

final

Fee:

N/A

Permit Type:

New construction

Building Type:

N/A

Building/historical/na/na

<placeholder>, Clackamas County, OR

2009-04-07

Convert condos into townhomes - partition

Valuation:

N/A

Permit #:

DV003509

Status:

applied

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Misc w o fls

111 SE 181st Ave, Portland, OR, 97233

2012-01-14

Extrior stone work

Valuation:

$13,000

Permit #:

11-1978/000 000 CC05 00

Status:

issued

Fee:

N/A

Permit Type:

Over-the-counter ...

Building Type:

Rockwood town center

Building - residential new

9414 SE Causey Ave, Happy Valley, OR, 97086

2009-03-31

Change of use to r-3 from r-2

Valuation:

N/A

Permit #:

B0093709

Status:

canceled

Fee:

$62

Permit Type:

N/A

Building Type:

N/A

Building - residential new

9408 SE Causey Ave, Happy Valley, OR, 97086

2009-03-31

Change of use to r-3 from r-2

Valuation:

N/A

Permit #:

B0093609

Status:

canceled

Fee:

$62

Permit Type:

N/A

Building Type:

N/A

Building - residential new

9402 SE Causey Ave, Happy Valley, OR, 97086

2009-03-31

Change of use to r-3 from r-2

Valuation:

N/A

Permit #:

B0093509

Status:

canceled

Fee:

$62

Permit Type:

N/A

Building Type:

N/A

Verified License

License #	DUFFMMC984RU
Status	Active
State	Washington
Type	Construction Contractor, Construction Contractor
Business Type	Corporation

BuildZoom verified this license was active as of April 2026.

Verify this license's status for Duff Maiden Mason Contractor Inc at the Washington State Department of Labor & Industries.

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31265
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31264
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31263
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31278
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31277
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31276
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31275
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31274
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31273
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31272
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31271
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31270
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31269
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31268
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31267
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	31266
Status	Active
State	Oregon
Business Type	Corporation

When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Duff Maiden Mason Contractor Inc with the Oregon Construction Contractors Board (CCB)

This is a sample of licensing data; click here to access a complete history.

100

BuildZoom Score

How the BuildZoom Score works

Insured

Insurer	Sl First Mercury Insurance Company
Insured up to	$1,000,000

Learn More

Bonded

Bonded Agent	201 Financial Pacific Insurance Company
Bond Value	$20,000

Learn More

9

Permits

Building permit records show that Duff Maiden Mason Contractor Inc has worked on 9 permitted projects.

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Duff Maiden Mason Contractor

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