Blog · October 14, 2026 · Oregon
Reading the Canby Plat Map for a lot
Lots in Canby trace back to recorded plats filed with the county.
Main page: Clackamas County, OR GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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When a deed near Tualatin says lot and block, look up the Canby plat map it refers to. In this Canby guide: where plats are filed, plat versus tax map, and what to look for on the sheet.
The Canby plat map: start here
For land around Oregon City, look for the plat book reference on the parcel record; use it to request a copy.
Pulling up a parcel
Your first stop is the ORMAP statewide tax lot viewer; it maps each assessed parcel from Barlow to West Linn. On ground around Wilsonville, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. Out toward Wilsonville, the parcel card normally shows the owner of record, assessed acreage, a parcel ID and in many cases the last transfer.
Who handles what
Recorded documents for a parcel near Tualatin sit in the index kept by the County Clerk, often with an online index. Zoning, permits and septic questions near Barlow need the planning or permitting office, and the answer depends on jurisdiction.
Deeds, plats and who keeps them
For anything that matters, get the recorded deed through the County Clerk; the viewer just points to it, which applies near Barlow as much as anywhere. For a parcel near Tualatin, have ready the book and page listed on the parcel record and the lookup takes minutes.
Canby and the county around it
Canby lies within Clackamas County, Oregon, which means parcel data comes from the county. If you're looking near Wilsonville, City or town hall handles matters such as zoning, permits and utilities within town limits, while the county keeps the tax map. Land beyond the town limits toward Rivergrove usually follows county rules instead.
Plat map vs. parcel map
If the tax map and plat differ near Rivergrove, the recorded plat and a survey control.
Details on the Canby plat map
Utility or drainage strips on a lot in Canby can block a shed or pool; read the notes on the sheet.
Places you'll see on the map
Oregon City serves as the county seat, which is where the courthouse records live. Smaller places on the map include Barlow, Wilsonville, and West Linn, each with its own cluster of lots. Roughly 423,173 people live in Clackamas County (Census Bureau estimate, 2023) spread over about 1,871 square miles. Clackamas County dates to 1843, and some chains of title near West Linn are long.
Field tips
Most viewers work in a phone browser, handy when you're parked on a road near Oregon City, so load it before you lose signal. A screenshot of the parcel near Wilsonville with its ID is a good backup.
Ordering the Canby plat map
Near Rivergrove, many recorder offices offer an online index, otherwise call or visit with the reference; small fees are common.
Reading the legal description
Oregon uses the Public Land Survey System, so deeds around West Linn reference sections and townships. A standard section is about one square mile, roughly 640 acres, with 36 sections to a township, though real sections near Barlow vary in size. Keep the legal description for land near West Linn when you talk to a surveyor.
Before you lean on the lines
Listed acreage is an estimate; just a licensed surveyor establishes the real corners on land around Oregon City. Out toward Barlow, records update in batches, so a deed recorded last month can take weeks to appear.
Amended plats
An amended plat may change lots around West Linn, search the index for replats of the same subdivision; vacated streets or alleys also get recorded.
When there's no plat
Acreage around Wilsonville outside a subdivision is often described by metes and bounds or survey description; look for a recorded survey for land there.
When a parcel crosses a boundary
Clackamas County meets Hood River County, Marion County, Multnomah County, Wasco County, and Washington County; every one of them runs a separate parcel map. Acreage along the edge near Tualatin may show up across two assessors' files, so check the adjacent map too. Out toward Tualatin, our state page links each neighboring county map for Oregon.
Questions about the Canby plat map
Are old plats online near Oregon City?
For acreage around Rivergrove, it varies; some offices have scanned older plats and some haven't, including older subdivisions.
Can lots near Tualatin be combined?
In most cases, lot splits in Canby go through the planning office, often with a surveyor's drawing.
Is a plat map a survey for land near Oregon City?
It depends, but the plat near Rivergrove is recorded, while the GIS layer is an approximation.
Who has recorded plats for land near Oregon City?
Generally, recorded plats near Rivergrove are filed with the County Clerk; small copy fees are common.
Where do I ask about an assessment near Tualatin?
For land near Tualatin, assessment goes to the County Assessor and deeds to the County Clerk; planning offices cover zoning near Barlow
Open the official Clackamas County, OR parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.