County profile

Partially sourced

Marion County

Official Oregon county-rule source anchors added for Marion County; office confirmation and link audit follow-up are still needed before verified status.

County-level researchedParcel review requiredLand availability signal

Profile boundary

County Profiles Do Not Approve Parcels

This profile summarizes county-level signals. Before relying on a parcel, verify current rules with planning, zoning, building, environmental health, water, road, fire, title, and local professionals.

Read disclaimer

Verification queue

What Still Needs Confirmation

This profile has official source coverage for county-level discovery, but it still needs stronger current county-office confirmation before being promoted to verified. Treat it as a shortlist candidate, then confirm the exact parcel and intended use with local offices.

Office path

Current county contact

Confirm who handles planning, subdivision, rural addressing, floodplain, permitting, and enforcement for the parcel.

Parcel path

Exact intended use

Ask about the specific structure, RV or camper occupancy plan, water source, septic path, access road, and development sequence.

At a glance

Fast Read

County-level discovery summary for alternative housing research. Use this as a shortlist signal, then verify the specific parcel and code path.

Verify first
Overall

Mixed discovery fit

Marion County has a Freedom Score of 53. Its strongest profile signals are ADUs (4/5) and Tiny homes (3/5).

Best use case

Oregon county-rule due diligence

Best initial fit: Oregon county-rule due diligence, Willamette Valley rural land screening, homestead and county-edge research. Check county planning materials before making parcel assumptions.

Land signal

20/100 affordability score

$83,255 per acre snapshot with 139 active land listings and a 5/5 availability signal.

Caution

Mixed county-level signal

Do not treat Oregon county-wide scores as parcel approval

Trust strip

Source Snapshot

Fast source context for this county profile. Use the full source trail below for links, citations, and parcel-level verification reminders.

Data status
Land snapshotsourced
Jun 5, 2026

LandSearch

Broadbandsourced
2024

Census Reporter ACS 2024 5-year table B28002

Public landsourced
2026

BLM Oregon/Washington Ownership GIS layer

Solar periodsourced
2001-2020

NASA POWER 2001-2020 solar irradiance climatology

County citationssourced
14

Planning, zoning, building, and profile links

Best Fit

Oregon county-rule due diligenceWillamette Valley rural land screeninghomestead and county-edge research

Pros

  • Official county Planning and Building Inspection pages provide strong anchors for land-use and permit-path review.
  • Oregon statewide land-use, building-department, and onsite wastewater references are included as due-diligence anchors

Cons

  • This is a source-anchor pass, not a legal interpretation
  • farm resource zoning, city boundaries, water, septic, and floodplain conditions can heavily affect parcel feasibility

Alternative Housing Ratings

derived

Verified county-level discovery scores

Tiny Homes
3/5
RV Living
3/5
Off Grid
3/5
Container Homes
3/5
ADUs
4/5

Alternative Housing Notes

Tiny Homes

Marion County now has official Oregon county Planning and Building Inspection anchors. Tiny home feasibility should be checked through dwelling classification, zoning district, Oregon building-code path, sanitation, access, farm or forest resource zoning, and private covenants before purchase.

RV Living

Long-term RV or camper occupancy in Marion County should be confirmed directly with county planning or code staff. Verify camping-duration limits, temporary-use permits, sanitation, water, utility service, driveway access, and whether rules differ inside cities or subdivisions.

Off Grid

Off-grid projects in Marion County should verify county land-use approval, building-permit requirements, Oregon onsite wastewater rules, well or hauled-water feasibility, legal access, road maintenance, wildfire exposure, floodplain, slope, and emergency-response constraints.

Container Homes

Container-home projects in Marion County should be treated as engineered dwellings or structures unless county staff confirms another path. Foundation, snow load, wind load, energy code, sanitation, access, and occupancy requirements may matter.

ADUs

ADU feasibility in Marion County depends on county zoning, municipality involvement, primary-dwelling status, utilities, septic or sewer capacity, farm-use constraints, and private restrictions. Confirm the rule path before purchase.

Land Affordability

sourced

Sourced market snapshot

Price/Acre Estimate
$83,255
Active Land Listings
139
Availability Score
5/5
Affordability Score
20/100

Source: LandSearch snapshot from June 5, 2026. LandSearch Oregon county price table average price per acre and active listing count; stored in medianAcrePrice field for compatibility but not a true median acre price.

How to read source layers

Population Context

sourced

Sourced Census estimate

Population
352,867
Population Density
298.5 / sq mi

Population uses 2024 U.S. Census county estimates. Density is computed from county land area in the imported GeoJSON boundary data.

Water and Septic

draft

Parcel-level verification needed

Water

Water availability in Marion County is parcel-specific. Check water rights, well feasibility, groundwater conditions, hauled-water feasibility, source-protection zones, and subdivision requirements before purchase.

Septic

Septic or onsite wastewater feasibility in Marion County requires parcel-level review under Oregon DEQ rules or the local administering authority, including soils, setbacks, groundwater, slope, and water-source separation.

Climate, Utilities, and Access

derived

Mixed sourced and derived layers

Snowfall
7"
Precipitation
59.7"
Growing Season
316 days
Broadband
9/10
Solar
3/10
Public Land
261,446
Recreation Access
4/5
Federal Public Land
230,510
State Public Land
29,181
Local Public Land
1,754

Public land source: BLM Oregon/Washington Ownership GIS layer snapshot from 2026. County-clipped GIS estimate using Oregon/Washington Ownership status categories. Includes federal, state, and local public-surface codes; excludes private, tribal, unknown, and water categories. Sample matched labels: Ankeny Nat Wildlife Refuge; BLM; Canyon Creek Rec Site; Champoeg State Park; Chemeketa Community College; City of Gates; City of Salem; City of Stayton; Corps of Engineers; Detroit Lake; Elkhorn Valley Rec Site; Fish Lake; Idanha, City of; Linn County; MONON LAKE; Marion County; Minto Brown Island Rec Area; Mt Hood NF; NORTHWEST OREGON DISTRICT; NW DISTRICT; North Fork County Park; ODFW; OLALLIE LAKE; Oregon State Dept of Trans; Oregon State Highway Comm; Polk County; Private-Undefined; Salem, City of; Santiam State Forest; Santiam Water Control District; Silver Falls State Park; St Louis County Park; St Louis Fish Ponds; State Capitol State Park; State Hwy Comm; State Parks & Rec; State Parks and Recreation; State of Oregon; U S Corp of Engineers; WILLAMETTE NF; WOTFA Reclassification; Willamette Mission State Park; Willamette NF.

Broadband Subscription
91.6%
Cable/Fiber/DSL
76.7%
Satellite
6.2%
No Internet
5.5%

Broadband source: Census Reporter ACS 2024 5-year table B28002 snapshot from 2024. Broadband score is a county-level ACS household broadband subscription proxy, not parcel-level service availability. Score is based on the percentage of households with broadband of any type.

Annual Solar Resource
3.92 kWh/m²/day
Winter Solar
1.54 kWh/m²/day
Summer Solar
6.71 kWh/m²/day

Solar source: NASA POWER 2001-2020 solar irradiance climatology for 2001-2020. County-centroid solar proxy using NASA POWER ALLSKY_SFC_SW_DWN annual all-sky surface shortwave downward irradiance. This is a county-level solar resource estimate, not a parcel-level PV design study.

Source glossary and data layer notes

Red Flags

  • Do not treat Oregon county-wide scores as parcel approval
  • verify jurisdiction, zoning district, farm or forest resource zoning, sanitation, water rights, legal access, road maintenance, wildfire, floodplain, slope, covenants, and whether the parcel is inside a city, tribal land, federal enclave, special district, or protected resource area

Source Trail

County office links, sourced data layers, and profile citations used to build this county-level research summary.

Source glossary

County Profile Citations

Research Status

draft

County-level profile reviewed; parcel-level confirmation still required

This profile is currently marked partially sourced. It is ready for county comparison and early research, but legal claims and parcel-specific decisions should still be verified against county code, planning offices, and local experts.

County FAQ

Frequently Asked Questions

Is Marion County a good county for alternative living?

Marion County has a Freedom Score of 53, which makes it useful for county-level discovery. Treat that score as a shortlist signal, then verify zoning, building, water, septic, access, and covenant rules for the specific parcel.

Can you live in a tiny home in Marion County?

Marion County has a tiny home score of 3/5. That score does not approve a tiny home by itself; it means the county is worth researching through planning, zoning, building code, sanitation, and parcel-specific rules.

Can you live in an RV on land in Marion County?

Marion County has an RV living score of 3/5. RV rules often depend on duration, construction status, sanitation, water, zoning district, and whether the land is inside a subdivision or municipality.

Is Marion County good for off-grid living?

Marion County has an off-grid score of 3/5. Off-grid feasibility still depends on legal access, septic or OWTS approval, water options, fire risk, winter access, and whether a lawful dwelling can be permitted.

How affordable is land in Marion County?

Marion County has a land affordability score of 20/100 based on the current county-level dataset. Use this for comparison only, because actual parcel prices can vary by road access, utilities, terrain, water, covenants, and listing quality.

Who is Marion County best suited for?

Based on the current profile, Marion County is best suited for Oregon county-rule due diligence, Willamette Valley rural land screening, homestead and county-edge research. The best fit can change once you narrow from county-level research to a specific property.

What should I verify before buying land in Marion County?

Before buying, confirm zoning, building permits, legal access, road maintenance, water rights or well eligibility, septic feasibility, wildfire requirements, floodplain issues, mineral rights, and any HOA, POA, subdivision, or covenant restrictions.

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