Pierce County, Washington Tacoma, Olympia & the South Sound

Barndominium Builders in Pierce County, Washington

Most of the acreage in the South Sound that suits a barndominium is in unincorporated Pierce County: the rural ground around the foothill towns, the farm valleys, and the forested land stretching toward the mountain. This is where a buyer from Tacoma or Puyallup usually lands when they want a wide shop bay, room for animals, or a pole barn homes plan on a few acres. Outside the cities, Pierce County Planning and Public Works issues the building permit, the county's rural zones set the density, the Tacoma-Pierce County Health Department permits the septic system, and a new home on a new exempt well carries a recorded water limit that depends on the watershed. Parcels served by a well or septic also go through a required early screening before the permit. Barndominium kits fit owners who want to erect the shell themselves; a turnkey build fits those who want one team from site work to finish. Share the parcel number and we will check the zone, the critical-area map, the watershed and the septic path before any drawing starts.

Pierce County at a glance

County: Pierce County
Building permit: County building department
Land use: County rural and resource zoning
Wastewater: Septic permit from the health jurisdiction
Water: Private well

Tell us about your land

Barndominium Builders Near Pierce County

From a turnkey build to a shell you finish yourself, the work starts with the parcel: the access, the building pad, the route to sewer or septic, and the water source. The parcel decides the budget more than the floor area does, so each option is priced against your land rather than a rate card.

Turnkey Builds

Turnkey barndominiums in Washington State: one team from land and permits to the finished, inspected house, with water, septic and energy code planned in.

Custom Plans

Custom barndominium plans for Washington State: floor plans and permit drawings with the energy code credits and your site's design values built in.

Site Preparation

Barndominium site preparation in Washington State: clearing, grading, drainage and pads, planned around the well, septic area, wetlands and the climate.

Permitting

Barndominium permits in Washington State: city or county building permit, water supply evidence, septic permit, energy code credits and rural zoning.

Barndominium Kits and Pole Barn Homes in Pierce County

A kit suits an owner who wants to raise the shell with their own crew. A pole barn home sets its frame on posts and trusses (the engineering term is post-frame construction) and suits a wide, simple layout with a shop bay under the same roof; a metal building home uses a bolted steel frame. Which one fits your parcel comes down to the zoning, the site and the design values the local building office publishes, covered below.

Barndominium Kits

Barndominium kits and shell kits for Washington State land: frame, panels and drawings, sized to the design values your city or county sets for the site.

Pole Barn Homes

Pole barn homes and pole barn house kits for Washington State: post-frame buildings with a shop and living space, designed to your county's snow load.

Metal Homes

Metal building homes in Washington State: steel-clad houses finished to the state energy code, with the insulation and condensation details done right.

Building a Barndominium in Pierce County: Permits, Zoning, Septic and Water

On rural land the zoning, septic and water answers often come before the building answer. Here is who decides each part in Pierce County, taken from the office or document that publishes it. Rules change, so check them again against your parcel before anything is drawn.

Who issues the building permitCounty building department

Pierce County Planning and Public Works (Development Center)

Planning and Public Works has regulatory jurisdiction over unincorporated Pierce County, the areas outside an incorporated city; cities and towns inside the county issue their own permits. A new house on rural land is applied for through the county's residential permit process, and the county's About My Property tool shows which jurisdiction a parcel falls under.

Source: Frequently Asked Questions, Pierce County Planning and Public Works (piercecountywa.gov)

Who decides the land useRural and resource zones

Pierce County Planning and Public Works

The Growth Management Act leaves rural density to the county plan, and Pierce County's zoning code is where the lot rules live. Its rural residential zones are Rural Separator, Rural 5, Rural 10, Rural 20, Rural 40, Rural Sensitive Resource, Rural Farm and Park and Recreation, with Agricultural Resource Lands and Forest Lands as separate resource zones.

Source: 18A.10.090 Rural and Resource Zone Classifications, Pierce County Code (pierce.county.codes)

Sewer or septicSeptic: local health jurisdiction

Tacoma-Pierce County Health Department

Off the sewer, the Tacoma-Pierce County Health Department permits the system in three steps: it approves a design submitted together with the water availability, issues an installation permit, and then requires a record drawing showing exactly what went into the ground.

Source: Septic System and Individual Well Forms and Applications, Tacoma-Pierce County Health Department (tpchd.org)

Where the water comes fromPrivate well

Pierce County Planning and Public Works; Tacoma-Pierce County Health Department

The county applies the Streamflow Restoration rules to any building permit on a new permit-exempt well, with the restriction recorded on the title. In WRIA 11 a new home on a new exempt well pays a $500 fee and may withdraw up to 3,000 gallons per day. In WRIA 10, WRIA 12 and WRIA 15 the limit is 950 gallons per day. Existing wells are not affected.

Source: New Permit-Exempt Wells, Pierce County (piercecountywa.gov)

Required pre-application screening: Most of Pierce County's pre-application services are optional, but a Level 1 Pre-Application Screening is required for certain projects, including those with critical area indicators, special site restrictions, or properties served by on-site septic systems or private wells, which covers most rural home sites.
Critical areas on the ground: The county warns that it has not mapped every critical area, and that the actual presence or absence of critical areas on the ground, as defined in Title 18E of the county code, decides permit requirements in unincorporated Pierce County regardless of what maps show. Wetlands and fish and wildlife areas can be confirmed with county staff.

Building on land near Pierce County

Before you commit to a rural parcel, check four things: the zone (Rural 5 through Rural 40, Rural Farm or a resource zone), the watershed the well will draw from, whether soils will pass a septic evaluation, and whether wetlands or streams sit on or next to the lot. A home site with a well or septic goes through the county's required Level 1 screening, which is the right time to find those limits. Forested ground may need clearing and a longer driveway; valley ground can carry flood mapping. Converting enrolled farm or timber acreage can also bring back taxes, so ask the assessor if the land is in a current-use program. We handle the site preparation and the permitting sequence.

Other places in this part of Washington

Tacoma, Olympia & the South Sound

See every service

Have land in or near Pierce County? Tell us about the parcel and what you want on it, and we will check it against the local rules before anything is drawn.

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Building in Pierce County: questions

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How much does it cost to build a barndominium in Pierce County?

On rural Pierce County land the site often adds the most uncertainty: the well and its title restriction, a septic system sized to the soils, a long gravel driveway, clearing, and any critical-area buffers that push the building back. Two similar buildings can land far apart once those are counted. See our barndominium cost guide for sourced ranges and the factors that move them.

Do I need a building permit for a barndominium in Pierce County?

Yes. In unincorporated Pierce County the permit comes from Planning and Public Works, and a site on a well or septic first goes through the county's Level 1 Pre-Application Screening. Inside a city or town, that city issues the permit instead. The septic permit comes from the Tacoma-Pierce County Health Department. Send us the parcel through the survey.

How much water can a new well use for a Pierce County barndominium?

It depends on the watershed, not the county line. In WRIA 11 the county's limit is 3,000 gallons per day. In WRIA 10, WRIA 12 and WRIA 15 it is 950 gallons per day, and either way the limit is recorded on the title. Look up the parcel's WRIA before planning irrigation or livestock water, and count the shop's water use against the same well.

Keep reading

What usually comes next once you know what Pierce County allows.

Barndominium Cost Guide

Sourced per-square-foot ranges by tier and size, and what moves the number on your land.

Read it

Is a Barndominium Legal in Washington?

Zoning, rural land, septic, water and who inspects, before you buy the land.

Read it

How Long Does It Take?

From parcel to move-in, and which steps set the clock.

Read it

Sources for this page

The published pages behind the Pierce County facts above. Rules change, so check the current version with the office before you rely on it.

Other places near Pierce County

Nearby places with their own pages. Across a city limit or a county line the permit office, the zoning, the septic program and the water rules can change, so each is covered separately.

Tacoma

Pierce County, Washington

Puyallup

Pierce County, Washington

King County

Washington county

Thurston County

Washington county

Building in Pierce County?

Start with the survey. Tell us where the land is and what you want on it, and we will come back with which offices decide it, what the zoning allows, and a plan to fit.

Start the survey