Flat northern San Joaquin Valley farmland with almond and walnut orchards in rows, an irrigation canal and bare golden hills along the western horizon.
Merced County, California Stockton, Modesto, Merced & the Northern San Joaquin Valley

Barndominium Builders in Merced, California

Merced is a university town on Highway 99 with some of the Valley's most productive farmland on every side, and that mix explains most enquiries. Interest in barndominiums in Merced comes from owners of in-town lots who want a shop with living space, and from families eyeing a few acres of Merced County ground beyond the city limits. This page covers the city itself; the county page covers the farmland. Inside the limits, the City's Building Department takes every building permit application through its online portal, from uploading plans to paying fees, tracking plan review and scheduling inspections, and it has applied the 2025 California building codes to submittals since 1 January 2026. Zoning comes from the Zoning Ordinance the City adopted in 2016, its first full rewrite since the early 1960s. City homes connect to the public sewer, so septic is rarely a question. Barndominium kits fit an owner who will raise a steel or pole barn shell and hire licensed trades for the rest; a custom plan makes more sense when a narrow lot, setbacks and utility runs leave little room for error. Both go through the same residential permit as any other new house. Send us the address and the building you have in mind, and we will check the zone and the utilities before any drawing starts.

Merced at a glance

Principal county
Merced County
Building permit
City building department
Land use
City zoning
Wastewater
Public sewer
Private wells
Well permits from the county

Barndominium Kits and Plans for Merced

A kit is the steel or pole barn package for an owner or a hired crew to put up; a custom plan fits the shop bay and the living space to the parcel. Either way the land sets the budget more than the floor area does, so each option is priced against your site rather than a rate card.

Barndominium Builders and Pole Barn Homes near Merced

A pole barn home sets its frame on posts and trusses (the engineering term is post-frame), which often suits a simple, wide layout with a shop bay under the same roof. A turnkey build takes the project from the pad to the finished house. Whether either fits your parcel comes down to the zoning, the septic and the water, set out below.

Permits, Zoning, Septic and Wells in Merced

Four questions decide whether a barndominium works on a parcel before any steel is ordered. Here is who answers each of them in Merced, 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 City building department

City of Merced Building Department

The Building Department handles all building permits in the city through its online permit portal: applications and plan uploads, fees, plan review and inspection tracking, permit issuance and inspection scheduling. Submittals made on or after 1 January 2026 are reviewed under the 2025 California building codes. Land outside the city limits is permitted by Merced County's Building and Safety Division.

Source: Building Department, City of Merced (cityofmerced.gov)

Who decides the land use City zoning

City of Merced Planning and Permitting Division

The City Council adopted a new Zoning Ordinance in 2016, effective 19 October 2016, the first comprehensive update since the early 1960s, and later amendments are folded into the published version. It covers zoning district standards, general regulations, permits and administration. The Planning and Permitting Division answers questions about how it applies to a parcel.

Source: Zoning Ordinance, City of Merced (cityofmerced.gov)

Sewer or septic Public sewer

City of Merced Public Works, Wastewater/Sewer System Division

The City's collection system has over 260 miles of pipe carrying wastewater from homes and businesses to the City of Merced Wastewater Treatment Facility. The owner maintains the house lateral and its connection to the main; the City maintains the main.

Source: Sewer, City of Merced (cityofmerced.gov)

Private water wells Wells: county permit

Merced County Division of Environmental Health

Merced County's Wells Ordinance requires the well contractor to get a permit from the County health officer before building, deepening or destroying a well in unincorporated areas and in incorporated areas where authorized. Ask the County and the City before planning a well on a city parcel.

Source: Chapter 9.28: Wells, Merced County Code (ecode360.com)

2025 codes in force
The City of Merced Building Department applies the 2025 California building codes to submittals made on or after 1 January 2026; projects with a master plan already in place under the 2022 codes are excluded (City of Merced, read 27 Sep 2026).

Source: Building Department, City of Merced (cityofmerced.gov)

Metal Building Homes near Merced

A metal building home uses a steel frame and steel skin, with the clear span to open up a shop, a garage bay or a great room without interior posts. The structural design is set for your site by the engineer and the building official.

Building on Land near Merced

Most Merced lots are sized for a house and garage, so check the zoning district's setbacks and coverage before settling on a shop width. Look the parcel up on FEMA's flood map as well: creeks cross the city, and a mapped flood zone can require an elevation certificate and a raised floor. Confirm the sewer lateral route, since the owner's side of that line is the owner's to maintain. On a lot with an existing house, a small barn-style unit may qualify under state ADU law, which requires ministerial approval under the City's objective standards. For acreage, the farmland around the city is in unincorporated Merced County, where agricultural zones set large minimum parcels.

Other places in this part of California

Stockton, Modesto, Merced & the Northern San Joaquin Valley

Have land in or near Merced? 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 Merced: questions

Start the survey
How much does it cost to build a barndominium in Merced?
The building is only part of it: in Merced the sewer connection, the lot's setbacks and any flood-zone elevation all move the total, and a steel frame needs engineered, stamped structural plans. We work from your parcel and plan rather than a flat rate. Our barndominium cost guide sets out sourced per-square-foot ranges and what pushes a build up or down.
Do I need a building permit for a barndominium in Merced?
Yes. The City's Building Department takes the application and plans through its online portal, runs plan review, issues the permit and schedules the inspections. The residential permit is the same one any new house in Merced needs. For land outside the city limits, see our Merced County page.
What zoning does a barndominium need in Merced?
A district that allows a single-family home, and a design that meets that district's standards in the 2016 Zoning Ordinance: height, setbacks, lot coverage and parking. The Planning and Permitting Division can confirm how the rules apply to your lot. Send the address through the survey and we will check it before a plan is drawn.

Other places near Merced

Nearby places with their own pages. Across a city limit or a county line the permit office, the zoning, the septic and the well rules can change, so each is covered separately.

Building in Merced?

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.