Ponderosa pines on a basalt rise above the rolling Palouse wheat hills of eastern Washington in low evening light.
Whitman County, Washington Spokane & the Inland Northwest

Barndominium Builders in Whitman County, Washington

Whitman County is Palouse wheat country, rolling hills farmed edge to edge between Colfax, Pullman and the eastern state line, and that farmland shapes where a new house can go. In the County's Agricultural zone a home site first needs a Rural Housing Certificate, a planning review that checks views from neighboring homes, distance from working fields and the hilltop profile before any building permit is possible. Once the site is certified, the County's Building and Development Division issues the permit, and Whitman County Public Health must approve the septic system and a tested well first. For a farm family or a buyer adding a home to working ground, a barndominium fits the setting: one tall building for equipment, hay or a shop, with living space at one end. Barndominium kits are a common route for owners with their own crew and a slow winter, and pole barn homes suit the long spans a combine needs. If the land is inside Pullman, Colfax or another town, that city's rules apply instead. Send us the parcel and we will check its zoning and the certificate criteria before any plans are drawn, or we can take the whole job through our turnkey builds.

Whitman County at a glance

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

Barndominium Kits and Pole Barn Homes in Whitman 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.

Building a Barndominium in Whitman 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 Whitman 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 permit County building department

Whitman County Building and Development Division

The Building and Development Division, part of Whitman County Public Works in Colfax, issues building permits in the unincorporated parts of the county, including structural, plumbing and mechanical permits, and carries out plan review and inspections. Cities and towns inside the county handle their own permits.

Source: Building and Development Division, Whitman County (whitmancounty.gov)

Who decides the land use Rural and resource zones

Whitman County Planning Division

Within the County's Agricultural Zoning District, a new rural residence must meet the zoning ordinance, and the Planning Division issues a Rural Housing Certificate when a site qualifies. That certificate is needed to secure building permits or to create a residential lot by short plat. Neighbors within 1,500 feet are notified of an intended approval and may appeal within twenty days.

Source: Instructions for Completing the Application for a Rural Housing Certificate, Whitman County (whitmancounty.gov)

Sewer or septic Septic: local health jurisdiction

Whitman County Public Health

Whitman County Public Health runs the septic process: a site evaluation by its environmental health specialist, an approved design, then a construction permit. The department states plainly that building permits cannot be issued until that septic construction permit is issued, and the system gets a final inspection before it is covered.

Source: Onsite Septic, Whitman County Public Health (whitmancountypublichealth.org)

Where the water comes from Private well

Whitman County Public Health (land development review)

Water availability is proved before the permit. Whitman County Public Health signs off on building permits and Rural Housing Certificates through a land development review. Once a well or other drinking water source is established, it must be tested for nitrate and total coliform, and results showing the water is safe must reach the department before permits are issued.

Source: Land Development, Whitman County Public Health (whitmancountypublichealth.org)

Where a farm-zone house may sit
Under the County's Rural Housing Certificate criteria, a viewshed homesite must sit at least 1,500 feet from the nearest residence or be hidden from it by terrain; a house may not be built within 200 feet of land in commercial farm production (100 feet with the farmer's written consent); and living space may not rise above the top of its landform.

Source: Instructions for Completing the Application for a Rural Housing Certificate, Whitman County (whitmancounty.gov)

Private roads and winter plowing
Whitman County's guide for new rural residents says the County maintains just under 2,000 miles of public roads, but many rural properties are reached by private roads the owners maintain, and gravel county roads are not plowed unless at least six inches of snow have accumulated or drifting occurs.

Source: Pondering the Palouse, Whitman County (whitmancounty.gov)

Building on land near Whitman County

On the Palouse the zoning question comes before the price. If the parcel is in the Agricultural zone, check whether it already has a certified residential site; if it does not, the Rural Housing Certificate criteria decide where, and whether, a house can go, and after approval there are 270 days to finish the well and file a short plat. Stake the four corners of the proposed footprint, because the County measures from them. Plan for a private well and a septic system, as community sewer is generally not available on rural land, and let the soil evaluation set the drainfield. Check the access road, too. A barndominium set into the side of a hill, below the ridgeline, usually satisfies the landform rule and keeps the wind off.

Other places in this part of Washington

Spokane & the Inland Northwest

Have land in or near Whitman 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.

Building in Whitman County: questions

Start the survey
How much does it cost to build a barndominium in Whitman County?
Beyond the building, a Palouse site brings its own costs: the Rural Housing Certificate review, drilling and testing a well, the septic system the soils allow, a long driveway or private road, and power brought in from the nearest line. Hillside sites add grading. Every parcel is different, so we price after seeing it. Start with our barndominium cost guide, which carries sourced per-square-foot ranges.
Do I need a building permit for a barndominium in Whitman County?
Yes. The Whitman County Building and Development Division issues it for unincorporated land. Before that, a farm-zone homesite needs its Rural Housing Certificate, and Whitman County Public Health must issue the septic construction permit and accept safe well-water test results. Inside a city or town, its own office applies. Our permitting service keeps those steps in order.
Can I build a house on farmland in Whitman County?
Often, but not anywhere on it. The Agricultural zone allows a new rural residence only on a site that earns a Rural Housing Certificate: far enough from other homes or hidden by terrain, set back from fields in production, and below the top of its hill. Planning has fourteen days to decide a complete application, and neighbors within 1,500 feet can appeal an approval.

Other places near Whitman 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.

Building in Whitman 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.