Tualatin, Oregon, is a city located primarily in Washington County with a portion extending into Clackamas County, situated approximately 12 miles south of Portland along the Tualatin River. With a 2020 census population of 27,942 residents and an estimated 2026 population of approximately 28,112, Tualatin is one of the more economically diverse communities in the Portland South Metro corridor, combining a significant manufacturing and industrial employment base on the city’s south side, major retail destinations including Bridgeport Village, and a residential and multi-family housing inventory that spans multiple development eras. Pacific Building Solutions holds Oregon Contractor License #215897 and serves the Tualatin and south Washington County market for commercial and multi-family envelope remediation.

The city’s growth story is defined by a single infrastructure event: the completion of Interstate 5 through Oregon in 1966. When that highway opened, Tualatin had a population of just 359 residents, and the city was managing contaminated wells and overflowing septic systems. Over the four decades that followed, the population grew to over 27,900 as the I-5 corridor opened the south Washington County farmland to residential and commercial development. The multi-family and commercial properties built during that growth wave from the late 1960s through the 1990s are now the primary remediation inventory in Tualatin. The Tualatin River, which runs along most of the city’s northern boundary, creates a distinct moisture environment for properties near the river, compounding building-envelope vulnerability in older structures.

Tualatin’s dual-county position means that properties in different parts of the city fall under the permit jurisdiction of either Washington County or Clackamas County. We do not perform small residential repairs or new construction.

• I-5 Growth Wave Multi-Family Inventory: The 1966-2000 growth wave that took Tualatin from 359 to over 27,000 residents produced the city’s dominant multi-family housing stock. Properties built from the late 1960s through the 1990s are now between 25 and 55 years old, covering the full active and deep remediation range. LP siding, early vinyl siding, and first-generation weather barriers are common findings in this era of construction throughout the Tualatin corridor.
• Tualatin River Corridor Moisture Environment: The Tualatin River flows along most of the city’s northern boundary, and the river’s historically documented water quality and drainage challenges have been the subject of ongoing county and watershed council remediation programs. Properties in the northern half of the city near the river experience elevated ambient moisture levels that compound building-envelope vulnerability. Our assessments account for proximity to the river corridor when identifying failure mechanisms.
• Dual Washington and Clackamas County Permitting: Tualatin spans two counties. Properties in the Washington County portion fall under Washington County permit jurisdiction; those in the Clackamas County portion fall under Clackamas County. Our project teams handle dual-county permit coordination as standard project management.
• Commercial and Industrial Property Coverage: Tualatin’s manufacturing and industrial south side, home to Lam Research, CRKT, Kershaw Knives, and Oregon Scientific, supports a significant commercial property envelope remediation market alongside the residential and multi-family inventory. We serve commercial property owners in this corridor, as well as HOA and multifamily clients.
• Oregon State Licensing: We hold Oregon Contractor License #215897 as our primary license for all work in Tualatin. We also hold Washington License #PACIFBS831MK for ownership groups managing cross-state portfolios.
• Award-Recognized: Portland Business Hall of Fame 2025 | Best of Portland 2025 (Construction) | Elite Preferred Siding Contractor | BBB Accredited Business.

Exterior Envelope Remediation

Full building envelope assessment and remediation for multi-family and commercial properties throughout Tualatin. Our assessments account for the Tualatin River corridor’s specific moisture environment, the dual-county permitting context, and the failure profiles common in the late-1960s through 1990s construction that defines Tualatin’s primary housing inventory.

Multi-Family and Commercial Siding Replacement

Large-scale siding replacement for apartment communities, condo associations, and commercial properties in Tualatin. The I-5 growth wave’s construction era saw the emergence of LP siding and early vinyl siding concentrations throughout the city. We work with James Hardie fiber cement, Cedar, Craneboard, and Stucco/EIFS replacement systems.

Water Intrusion Repair and System Restoration

The Tualatin River corridor’s documented drainage and moisture conditions pose a persistent risk of water intrusion for older building envelopes throughout the northern half of the city. We trace the system-level cause, restore the building envelope, and document every phase for HOA boards, property managers, and legal oversight teams.

Construction Defect Repair and Forensic Consulting

When litigation or forensic consultant oversight applies, Pacific Building Solutions brings the documentation protocols and scope discipline that those environments require. We work alongside construction attorneys, owner representatives, and forensic consultants throughout Tualatin, Washington County, and Clackamas County.

Window System Replacement

Phased window replacement in occupied multi-family buildings using Andersen, Jeld-Wen, Marvin, Cascade, Milgard, and triple-pane systems. All installations include sill pan flashing, head flashing, and full weather barrier integration at the rough opening.

Commercial Building Repairs

Large-scale exterior envelope and building system repairs for commercial properties along Tualatin’s I-5 corridor, including the manufacturing and industrial south side and the Bridgeport Village and Nyberg retail corridor. We execute commercial repair scopes with the documentation and oversight discipline that commercial property ownership groups require.

Does Pacific Building Solutions serve Tualatin, Oregon?

Yes. Pacific Building Solutions serves Tualatin and the south Washington County area for commercial and multi-family exterior envelope remediation, siding replacement, water intrusion repair, and related services. We hold Oregon Contractor License #215897 and Washington Contractor License #PACIFBS831MK, and have operated throughout the Portland Metro region for nearly 30 years.

How does Tualatin’s dual Washington and Clackamas County position affect building permits?

Tualatin spans Washington and Clackamas Counties. Properties in the Washington County portion of the city fall under Washington County permit jurisdiction; those in the Clackamas County portion fall under Clackamas County. Our project teams are experienced in both county permitting systems and in handling permit coordination as standard project management, without the confusion that can affect contractors unfamiliar with the city’s dual-county character.

How does the Tualatin River affect building envelope conditions for properties near the river?

The Tualatin River flows along most of the city’s northern boundary and has been the subject of documented water-quality and drainage-restoration programs. Properties near the river in Tualatin’s northern districts experience elevated ambient moisture levels from the river corridor, compounding building-envelope vulnerability in older structures. Our envelope assessments account for river proximity when identifying failure mechanisms and scoping repair programs.

Does Pacific Building Solutions work on commercial properties in Tualatin’s industrial and manufacturing districts?

Yes. Commercial buildings and industrial properties in Tualatin’s south-side manufacturing corridor carry exterior envelope monitoring and remediation needs identical to those of multi-family properties. We serve commercial property owners, HOA boards, and apartment community managers. The documentation, phased scheduling, and professional communication practices are the same across both property types.

Is Pacific Building Solutions licensed to work in Tualatin and both Washington and Clackamas Counties in Oregon?

Yes. We hold Oregon Contractor License #215897, which covers the full state of Oregon including both Washington County and Clackamas County. We also hold Washington Contractor License #PACIFBS831MK. Both are active and current.

Tualatin is a city located primarily in Washington County, Oregon, with a portion extending into Clackamas County, situated approximately 12 miles south of Portland along the Tualatin River. The community’s history begins with Samuel Galbreath, who started a ferry service across the Tualatin River in 1853 from a village he called Galbreath, which he renamed Bridgeport when he built the first bridge across the river in 1856. In 1886, the Portland and Willamette Railway purchased a right-of-way through John Sweek’s land on the river’s west bank, and Sweek platted a new town around the depot and named it Tualatin. The city was incorporated in 1913. The Tualatin River’s name is derived from an Atfalati word meaning “lazy” or “sluggish,” referring to the river’s unhurried course through the Tualatin Plains.

Tualatin’s modern growth is inseparable from Interstate 5. When the highway opened through Oregon in 1966, Tualatin had a population of just 359. Over the following four decades, the population grew to over 27,900 as the I-5 corridor opened the south Washington County farmland to development. In 1962, construction workers discovered the fossilized bones of a Columbian mastodon in what is now a Fred Meyer parking lot in Tualatin, a discovery that drew significant scientific attention. Additional fossils were found in 1972 near Fanno Creek. The mastodon fossils are now on display in the lobby of the Tualatin Public Library. The city is home to a distinctive manufacturing cluster including CRKT, Kershaw Knives (KAI USA), and Al Mar Knives, as well as Lam Research and Oregon Scientific.

If you represent an HOA board, multi-family property management group, construction attorney, building envelope consultant, or commercial ownership group with a property in Tualatin or the south Washington County area, Pacific Building Solutions welcomes the opportunity to discuss your project.

Phone: 360-907-1128

Email: info@pacificexteriorsnw.com

Licensed in Oregon (#215897) and Washington (#PACIFBS831MK). Serving Beaverton, the greater Portland Metro area, and Southwest Washington.