The 10 Best Home Addition Contractors in Portland, OR

Notable project: (Building permit. 9305 SW 12th Dr, Portland, OR, 97219). Raise existing house to convert crawlspace to new first floor which will become a new adu. 23 sf addition on second level. remove and replace rear portion of home. total 3 new decks. septic decommissioning required. trades not obtained at this time septic decommissioning required. call for inspection... (more)

PROActive Development LLC is a full service construction and remodeling company, serving residential and commercial clients in the greater Portland metro area since 2001. With over 20 years of combined experience, we are family owned and operated with the goal of providing clients with professionalism, quality workmanship, and budget cost containment. As a General Contractor, our primary... (more)

Notable project: (Building permit. 1604 N Dekum St, Portland, OR, 97217). Demolish one one story single family residence - cap sewer - remove all debris **associated with nsfr 14-237220-rs*****compacted fill per title 24 standards soils special inspection required*** cesspool decommissioning is required. septic decommissioning required. call for inspection 842

Notable project: (Building - residential new. 16215 NE Eilers Rd, Aurora, OR, 97002). Regiz - remodel/addition

Notable project: (Building permit. 7608 SW Hood Ave, Portland, OR, 97219). Addition to remove existing deck over existing garage and addition new second floor with roof deck on top to create new accessory dwelling unit; portion of the first floor to be converted to living space; trades to be obtained separately

Notable project: (Residential structural. 11264 SE Rolling Hills Ln, Happy Valley, OR, 97086).

Notable project: (Single family dwelling. 4631 NE Alameda St, Portland, OR, 97213). Remodel; demolish interior walls and exterior bump outs; addition new walls and furr out walls in basement to addition new guest bedroom relocate existing bathroom and mechanical room storage and parlor; new stairs that lead from basement to main floor; main floor to include new office family room and relocated... (more)

Notable project: (Single family dwelling. 3337 NE Shaver St, Portland, OR, 97212). 2 story addition to existing single family residence - original foundation and first floor framing to remain; new main floor with covered front and back porch, new second floor with bedrooms bathrooms media and office. ***decommissioning required**** septic decommissioning required. call for inspection 842.

Notable project: (Building permit. 5954 NE 16th Ave, Portland, OR, 97211). Convert to basement living space. addition walls to create bedroom with existing egress window family room mechanical closet and full bathroom with laundry area. **electrical plumbing and mechanical permits to be obtained separately**

Notable project: (Building permit. 334 SE 49th Ave, Portland, OR, 97215). Whole house remodel; addition to house to include second level and expansion; convert portion of basement to adu; addition to the rear of garage to include studio. plumbing electrical and mechanical permits to be obtained separately

Notable project: (Commercial structural. 704 SW Forest Ave, Redmond, OR, 97756). Commercial ti: demolish walls remove sheetrock on walls and ceilings remove floor coverings no asbestos and replace roof

Notable project: (Single family dwelling. 1223 NE 72nd Ave, Portland, OR, 97213). Addition bathtub to existing powder room located in rear family room remove existing interior slider door between rear family room and house. install slider to exterior from main house on north wall to driveway. no accessory dwelling unit rear family room is for accessory use to main house only

Notable project: (Single family and duplex - new. 11409 NW 14th Ave, Vancouver, WA, 98685).

Notable project: (Building permit. 8550 N Richmond Ave, Portland, OR, 97203). Addition-remodel existing master bedroom by adding an additional 154sf to the west/front elevation of home to include reconfiguring walls in the living room area remove existing masonry fireplace and addition bathroom(2bathrooms total) trade permits to be obtained separately

Notable project: (Addition/alteration single-family. 165 NW Camp Ireland St, Hillsboro, OR, 97124). Smith patio cover and heater addition - new patio cover over exisiting patio

Notable project: (Plumbing permit. 590 Union St NE, Salem, OR, 97301). 1/10/12 adding 2 k-sink 2-lav 1-wash machine replace water heater install 2 new bathrooms 2 shower 2 lav 2 toilet 1 clothes wash

Notable project: (Building permit. 1314 NE 51st Ave, Portland, OR, 97213). Convert portion of basement to playroom relocate washer/dryer replace stairs to basement and new side covered porch on south elevation ***mechanical electrical plumbing to be obtained separately ***

Notable project: (Building - commercial new. 9333 SE Alansa Dr, Clackamas, OR, 97015). Warehouse building - building #2

Notable project: (Building permit. 6168 SW 37th Ave, Portland, OR, 97221). Addition to enclose existing carport and addition to rec room in daylight basement on 1st floor enlarge existing master bedroom and bathroom remodel existing 1st floor and new roof structure to change roofline and style ***mechanical electrical plumbing permits to be obtained separately***

Notable project: (Building permit. 1233 N Killingsworth St, Portland, OR, 97217). Storefront upgrades and tenant improvement remove wall in room 104 rebuild to expand space in 104 and decrease space in 105 creating three new spaces.upgrade existing restrooms changing less than 1/3 of net floor area from s2 to b and interior finish upgrades

Notable project: (Building. 541 NE 20th Ave, Portland, OR, 97232). B2 addition partitions for office basement level; two unisex restrooms 1st floor electrical plumbing