Outdoor Fireplaces and Fire Pits in Clay
A fire feature is a foundation, and in Clay the depth it reaches is the town's number, not the state's.
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The Clay rules that apply here
In the Town of Clay, 44.4 percent of the mapped soil area is classed poorly drained, somewhat poorly drained or very poorly drained, and 9.6 percent is classed well drained. The largest map units are Collamer silt loam on 2 to 6 percent slopes at about 19.7 percent of the town, Niagara silt loam on 0 to 4 percent slopes at about 17.1 percent, and Rhinebeck silt loam at about 8.6 percent, with Carlisle muck at about 4.1 percent.
Source: United States Department of Agriculture, Natural Resources Conservation Service, Soil Survey Geographic Database for Onondaga County New York, survey area NY067, queried through the Soil Data Access service, accessed 2026-09-14
Niagara silt loam, the second most extensive soil in Onondaga County and the dominant soil across the northern towns, carries a seasonal high water table with its top at about 31 centimeters, roughly 12 inches, below the surface, and the county soil data records that condition for December, January, February, March, April and May. Rhinebeck silt loam has the same 31 centimeter figure. Kendaia silt loam is shallower at about 20 centimeters, roughly 8 inches. For comparison, Collamer silt loam is about 54 centimeters, roughly 21 inches, and Honeoye silt loam about 76 centimeters, roughly 30 inches.
Source: United States Department of Agriculture, Natural Resources Conservation Service, Soil Survey Geographic Database for Onondaga County New York, survey area NY067, queried through the Soil Data Access service, accessed 2026-09-14
Both of the fast-growing northern towns name fireplaces on their list of work requiring a building permit and neither names a patio. The Town of Clay lists new buildings, all additions and alterations, mobile homes, garages and barns, pools, sheds and storage buildings, decks and porches, fences, signs, fireplaces, stoves and inserts, and demolition. The Town of Cicero lists decks, porches and garages, fireplaces, pellet stoves and wood stoves, storage sheds no matter the size, fences, swimming pools, and structural, plumbing or electrical alterations, and requires a permit before excavation or filling of more than 10 cubic yards. Cicero also requires a Floodplain Development Permit for any work in a 100 year flood zone, including work that would not otherwise need a permit.
Source: Town of Clay, New York, Department of Planning and Development, Building Permits Information, and Town of Cicero, New York, Department of Zoning and Planning, forms and permits, accessed 2026-09-14
Ranked by the share of housing units built in 2000 or later, the era in which adhered stone veneer and segmental paver hardscape became the dominant new masonry products, the places of this metro spread very widely. Radisson, the census place inside the Town of Clay, leads at 32.4 percent, followed by the Town of Lysander at 25.8 percent, the Town of Van Buren at 21.9 percent, Baldwinsville village at 20.1 percent, the Town of Cicero at 19.1 percent, the Town of Clay at 15.4 percent, the Town of Camillus at 15.2 percent, the Town of Manlius at 11.6 percent, the Town of Marcellus at 11.3 percent, the Town of Skaneateles at 11.2 percent, Marcellus village at 9.9 percent, the Town of DeWitt at 8.7 percent, Skaneateles village at 8.4 percent, Fayetteville village at 8.1 percent, the Town of Salina at 7.0 percent, the City of Syracuse at 6.4 percent, Camillus village at 6.4 percent, Liverpool village at 6.1 percent, North Syracuse village at 4.7 percent, Manlius village at 4.5 percent, and both East Syracuse village and Solvay village at 0.0 percent. The county figure is 11.6 percent.
Source: US Census Bureau, American Community Survey 2020-2024 5-year estimates, table B25034 Year Structure Built and table B25035 Median Year Structure Built, accessed 2026-09-14
The Census Building Permits Survey counts new single-family housing units authorized by each permit-issuing place, which is the closest published proxy for where new masonry is actually being built. Across 2022, 2023 and 2024 combined, Onondaga County municipalities authorized new single-family units as follows: Town of Lysander 178, Town of Clay 89, Town of Camillus 86, Town of Onondaga 83, City of Syracuse 56, Town of Cicero 37, Town of Manlius 34, Town of Skaneateles 23, Town of DeWitt 17, Town of Van Buren 15, Town of Marcellus 14, Marcellus village 13, Town of Geddes 11, Skaneateles village 9, Manlius village 8, Town of Salina 8, Solvay village 4, Baldwinsville village 2, Fayetteville village 2, Liverpool village 1, and Camillus village, East Syracuse village and North Syracuse village 0 each. In 2024 alone the county authorized 323 new single-family units with a combined reported construction value of about 101.3 million dollars.
Source: US Census Bureau, Building Permits Survey, annual place-level data for the Northeast Region, 2022, 2023 and 2024, accessed 2026-09-14
There is no state-wide or county-wide frost depth figure in the New York code. Section R301.2 states that additional criteria shall be established by the local jurisdiction and set forth in Table R301.2(1), and the table's own footnote for the frost line depth column reads: the jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade. The column is published blank.
Source: 2020 Residential Code of New York State, Section R301.2 and Table R301.2(1), Climatic and Geographic Design Criteria, via UpCodes, accessed 2026-09-14
New York's own code agency confirms it. Technical Bulletin TB-1009-RCNYS from the Department of State Division of Building Standards and Codes states, under Subject to damage from Frost Line Depth, that the local jurisdiction shall provide the minimum depth of footing below finish grade, and that the considerations a local jurisdiction can use when developing its frost line depth include, but are not limited to, air freezing index, soil type, water table depth, local historical data and field experience. The bulletin also notes that where an authority having jurisdiction spans multiple municipalities the data should be filled out for each municipality individually.
Source: New York State Department of State, Division of Building Standards and Codes, Technical Bulletin TB-1009-RCNYS, Requirements for Completing Table R301.2(1) in the 2020 Residential Code of New York State, accessed 2026-09-14
Section R403.1.4.1 carries three exceptions to the frost protection requirement. Protection is not required for free-standing accessory structures with an area of 600 square feet or less of light-frame construction with an eave height of 10 feet or less; nor for free-standing accessory structures with an area of 400 square feet or less of other than light-frame construction with an eave height of 10 feet or less; and decks not supported by a dwelling need not be provided with footings that extend below the frost line.
Source: 2020 Residential Code of New York State, Chapter 4, Foundations, via UpCodes, accessed 2026-09-14
New York caps the size of a legal outdoor fire. The Department of Environmental Conservation states that campfires, small cooking fires, or any other outdoor fire less than 3 feet in height and 4 feet in length, width or diameter are allowed, that all fires must consist of only charcoal or dry, clean, untreated and unpainted wood, that the burning of brush is prohibited from March 16 through May 14, and that towns, villages, cities and counties can pass ordinances that are stricter than Part 215. The underlying regulation, 6 NYCRR 215.3(c), permits small fires used for cooking and camp fires provided that only charcoal or untreated wood is used as fuel and the fire is not left unattended until extinguished.
Source: New York State Department of Environmental Conservation, Open Burning, and 6 NYCRR section 215.3, Exceptions and restricted burning, via the Cornell Legal Information Institute, accessed 2026-09-14
The footing concrete under new masonry has its own cold weather rules. The National Ready Mixed Concrete Association defines cold weather as a period when the average daily temperature is below 40 degrees Fahrenheit for more than three consecutive days and the air temperature is not above 50 degrees for more than half of any 24 hour period. It states that fresh concrete freezes if its temperature falls below about 25 degrees Fahrenheit, that the potential strength of frozen concrete can be reduced by more than 50 percent and it will not be durable, and that concrete should be protected from freezing until it reaches 500 pounds per square inch, about two days after placement.
Source: National Ready Mixed Concrete Association, Concrete in Practice 27, Cold Weather Concreting, accessed 2026-09-14
Fire features in Clay, and who sets the footing
More outdoor rooms get designed in Clay than almost anywhere in the county, and the dimension nobody checks until late is the fire opening itself. New York caps a lawful open fire at under 3 feet high and under 4 feet across, burning charcoal or dry clean untreated unpainted wood. A four foot opening drawn to balance a wide terrace is trivial to redraw and costly to rebuild, so settle the size while it is still on paper.
What to settle before building in Clay
Clay runs 44.4 percent poorly, somewhat poorly or very poorly drained against 9.6 percent well drained. Collamer silt loam covers about a fifth of the town and Niagara silt loam another 17.1 percent, with Rhinebeck silt loam and a pocket of Carlisle muck behind them.
The month decides the specification
Footing concrete has its own cold weather rules, separate from the mortar above it, and fresh concrete that freezes can lose more than half the strength it was meant to reach. A late footing pour is the part of this job that cannot be corrected later.
What is behind and beneath the work
A fire feature is a foundation with a fire in it. New York publishes no statewide or county frost depth at all, the code column is blank, and your own municipality fills the number in, which is why two honest masons can quote very differently and both be right.
What to ask whoever quotes
Ask two things: what footing depth the town requires, and what size the fire opening is going to be. State rules cap a lawful open fire at under 3 feet high and under 4 feet across.
Tell us what you want built in Clay
Describe the project and the month you had in mind, and we will tell you what the specification actually needs.
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Fire feature questions from Clay
What does Clay require before a fire feature goes in?
The Town of Clay lists fireplaces, new buildings, additions, alterations, garages and mobile homes as needing a building permit, and does not list a patio at grade. For a fire feature the consequence is that the footing depth comes from your municipality, because New York publishes no figure of its own.
Why do two masons quote completely different footings for the same fire pit?
Because the code genuinely reads two ways here and both of them can be cited honestly. One route requires footings to reach below the frost line. Another exempts small free standing accessory structures that are not light frame from frost protection entirely. A fire pit can sit in either description depending on how it is built and how it is classified, so two competent people can reach very different numbers. Your own code officer is the one who settles it.
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