Blog · October 14, 2026 · California
Reading the Oroville Plat Map for a lot
Lots in Oroville trace back to recorded plats filed with the county.
Main page: Butte County, CA GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Buying a lot in a subdivision near Biggs? What you want is the Oroville plat map, since it shows lots, streets and easements as approved. What this town guide covers: where to request a copy, how a plat differs from a parcel map, and the details that matter to buyers for land near Paradise.
The Oroville plat map: start here
For a lot in Oroville, the deed usually cites the plat; use it to request a copy.
The viewer Butte County publishes
Begin with the Butte County parcel viewer; it covers each assessed parcel around Chico and Biggs. For property near Biggs, enter a street address, an owner's name or a parcel number, and the viewer zooms to the match. For a parcel near Biggs, the record panel typically gives the owner of record, acreage on the tax roll, a parcel ID and often a sale date.
Recorded documents worth pulling
For anything that matters, pull the recorded deed through the County Recorder; the parcel map near Paradise only summarizes it. For a parcel near Biggs, have ready the document number listed on the parcel record to skip a name search.
What the map can't tell you
The acreage figure is a tax-roll number; only a licensed surveyor can set the real boundary on land around Chico. For a tract near Paradise, records update in batches, so a deed recorded last month can take weeks to appear.
Oroville, CA: the basics
Oroville lies within Butte County, California, which means parcel data comes from the county. As the county seat, Oroville hosts the courthouse, handy when you need recorded documents. Around Biggs, city or town hall handles matters such as zoning, permits and utilities within town limits, while the county keeps the tax map. Lots just outside the town limits near Biggs usually follows county rules instead.
When there's no plat
Acreage around Biggs outside a subdivision may have no plat at all; the deed and any recorded survey describe it instead.
Amended plats
An amended plat may change lots around Biggs, search the index for replats of the same subdivision; vacated streets or alleys also get recorded.
Plat map vs. parcel map
The Butte County parcel viewer draws parcels for taxes, but the recorded plat is what the deed relies on.
Using it on a phone
Most viewers work in a phone browser, which helps when you're standing on land near Gridley, so load it before you lose signal. A printout of the tract near Gridley keeps working without signal.
Next door to Butte County
Butte County borders Colusa County, Glenn County, Plumas County, Sutter County, and Tehama County; every one of them runs a separate parcel map. Ground near Biggs that runs to the line can be split across two assessors' files, so open the neighboring map before you assume the acreage. With a lot near Gridley, our state page links every bordering county map across California.
Getting answers from the right desk
Questions about value or the owner field for land near Biggs go to the County Assessor, since that office keeps the assessment data. Building or septic questions for a lot near Biggs are for the local planning and health departments, town or county, depending on location.
Lots, blocks and easements
Near Gridley, the sheet usually includes lot and block numbers, dimensions and bearings, street rights-of-way and easements.
Ordering the Oroville plat map
Near Biggs, many recorder offices offer an online index, otherwise call or visit with the reference; small fees are common.
Butte County in a few facts
Oroville holds the county offices, home to the main records offices. Other places on the map include Biggs, Gridley, Paradise, and Chico. About 207,172 people call Butte County home (Census estimate, 2023) on about 1,636 square miles. Landmarks such as Butte Sink National Wildlife Refuge are easy to spot when you zoom out from Paradise.
Legal descriptions in California
California uses the Public Land Survey System, which means a tract near Biggs is described by section, township and range. Each section is nominally a mile square, about 640 acres, with 36 sections to a township, though real sections near Biggs vary in size. Copy the legal description from the record for the parcel near Biggs when you talk to a surveyor.
Oroville: common questions
What is a lot and block description for land near Chico?
For a home near Gridley, lot and block refer to a numbered lot within a block on a recorded subdivision plat.
What is a replat around Biggs?
Lot splits in Oroville go through the planning office; ask staff about the process.
Where are historic plats for Oroville?
For land near Chico, the County Recorder can say what's available.
Is a plat map a survey for land near Paradise?
It depends, but the plat near Paradise is recorded, while the GIS layer is an approximation.
Who do I call about a parcel near Gridley?
For land near Gridley, assessment goes to the County Assessor and deeds to the County Recorder.
Open the official Butte County, CA 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.