Blog · October 14, 2026 · Ohio
Portsmouth Plat Map, Ohio: plats and lots
A recorded plat shows how land near Otway was divided into lots.
Main page: Scioto County, OH GIS & Parcel Viewer (official map link, county facts and neighboring maps).
Platbookmapper is an Amazon Associate. If you buy through an Amazon link on this page, we earn a commission. The link is a product, not the county map.
When a deed near South Webster says lot and block, look up the Portsmouth plat map it refers to. What this Portsmouth guide covers: where plats are filed, how a plat differs from a parcel map, and what to look for on the sheet.
The Portsmouth plat map: start here
For a subdivision near South Webster, the deed usually cites the plat; that makes the request quick.
The free map to start with
Go first to the Ohio Statewide Parcels layer in ArcGIS Map Viewer; it covers every tax parcel around Otway and South Webster. For acreage around Otway, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. If you're looking near Rarden, the parcel card typically gives the owner of record, acreage on the tax roll, a parcel ID and sometimes recent sales.
Offices that can help
Questions about value or the owner field for land near Otway are handled by the County Auditor, the office behind the parcel record. Building or septic questions for a lot near Rarden are for the local planning and health departments, depending on whether the land is inside town limits.
Where Portsmouth fits in
The town is part of Scioto County, Ohio, so its parcels are on the county's map, especially near Rarden. Portsmouth is also the county seat, so deeds and plats are filed in town. For acreage around Rarden, the municipality handles things like zoning, permits and utilities within town limits, and the county still keeps the parcel and deed records. Lots just outside the city limits toward Otway usually follows county rules instead.
Getting your bearings
Portsmouth serves as the county seat, home to the main records offices. You'll also find New Boston, South Webster, Otway, and Rarden, where town lots give way to larger tracts. Around 71,969 people live in Scioto County (Census Bureau estimate, 2023) spread over some 610 square miles. Scioto County dates to 1803, so old deeds can run back a long way. Features like Shawnee State Park help you orient on the aerial around Otway.
Limits of the parcel data
Listed acreage is an estimate; just a licensed surveyor sets the real lines for a parcel near New Boston. Records update in batches, so a fresh transfer around Otway can take weeks to appear.
Field tips
The parcel map usually runs in a mobile browser, useful out on a road near Rarden, so load it before you lose signal. A saved image of the lot near Otway and its lines is a good backup.
When a plat changes
Lots near Rarden can be combined or reconfigured by a replat, search the index for replats of the same subdivision; vacated streets or alleys also get recorded.
How a plat differs from the tax map
The tax map on the Ohio Statewide Parcels layer in ArcGIS Map Viewer is a summary, but the recorded plat is what the deed relies on.
Legal descriptions in Ohio
Tracts outside towns near Rarden are often described by metes and bounds, a series of courses and distances from a starting point. Subdivision lots in New Boston refer to a recorded plat, which is simpler to follow. Copy the legal description from the record for the parcel near South Webster when you talk to a surveyor.
Details on the Portsmouth plat map
For a parcel near Rarden, the sheet usually includes lot and block numbers, dimensions and bearings, street rights-of-way and easements.
When there's no plat
Acreage around Otway outside a subdivision may have no plat at all; look for a recorded survey for land near Rarden.
The paper trail behind a parcel
When the details count, request the recorded deed from the County Recorder; the parcel map near South Webster only summarizes it. Older tracts around South Webster can sit on several deeds, and a title company earns its fee if money is changing hands.
Land on the county line
Scioto County borders Greenup County, KY, Lewis County, KY, Adams County, Jackson County, and Lawrence County; every one of them runs a separate parcel map. A tract near the line by New Boston may show up across two assessors' files, so open the adjacent map as well. Out toward New Boston, our state page links each bordering county map for Ohio.
Ordering the Portsmouth plat map
With a lot near Rarden, some counties put plat images online, while others require a visit or a request; copy fees are usually small.
Frequently asked
What is a replat in Portsmouth?
It depends, but lot splits in Portsmouth go through the planning office; ask staff about the process.
Is a plat map a survey in Portsmouth?
For acreage around New Boston, GIS parcels are tax drawings, and the recorded plat is the legal document; trust the plat when they differ.
Who has recorded plats for land near Rarden?
Good question; recorded plats near South Webster are filed with the County Recorder.
What is a lot and block description near Rarden?
Out toward Rarden, lot and block refer to a numbered lot within a block on a recorded subdivision plat.
What's a legal description for land near Otway?
Near Rarden, deeds use lot and block, metes and bounds or survey descriptions, and the parcel record often summarizes it.
Open the official Scioto County, OH 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.