According to the California Building Standards Code, no building or structure may be erected, constructed, enlarged, altered, repaired, moved, improved, removed, converted, or demolished unless a separate . Lead Hazard Warnings on Pre-1978 BuildingsPermit Sonoma issues over-the-counter permits for work on existing pre-1978 buildings that may contain lead hazards. You need a permit to build a deck if it is: More than 18 inches above the ground A roof deck (built on top of part of the building) In an environmentally critical area (ECA), for example landslide-prone areas. These codes include each state's building/dwelling, structural, plumbing, mechanical, electrical, fire/life safety codes, accessibility codes, energy codes, and elevator codes. The minimum net clear opening width dimension shall be 20 inches. Do not allow someone to only lag or nail a railing post to the outside of your deck! 9.1 Floor joist size, spacing and grade shall conform to Tables R502.3.1(1 & 2); or shall be designed by a licensed professional. (Ord. For decks, we can review your plans and issue a permit on the spot if the design meets the required codes. 13.5 Structures which are subject to Fire Safe Standards and located in the SRA , shall have a minimum 1-hour fire-resistance rating at exterior walls and the underside of exterior projections within 10 feet from an adjacent property line. 11.5 For roofs shallower than 3:12 ridges, hips and valleys shall require engineering. The soil bearing 1,500 psf. Show how all gravity and lateral loads are transferred from the roof sheathing to the foundation through specific, cross-referenced connection details. All wood embedded in concrete that is in direct contact with the ground or exposed to weather and that supports structures intended for human occupancy. All braced walls and conventional bracing shall be adequately labeled and dimensioned. Learn more about how much to put on a deck psf at Decks.com. Plates at intersections with bearing walls and corners shall also be overlapped. Chapter 7 of the Sonoma County Code is hereby amended as follows: (a) Section 7-3, Local appeals board and housing appeals board is revised to read: Sec. Cripple walls shall be sheathed per R602.10.9 & R602.10.9.1. 7.7 Showers and tubs with showers require a non-absorbent surface up to 72 inches above the floor. SDS Screw Spacing. There are two main reasons you need to pay attention to the type of hardware used for your deck. If a construction project is revised, for example by altering floor plans or adding additional square footage, therevisions must be reviewed and approved by Permit Sonomaprior to making those changes in the field. (R317.3.1). Building Permits. Building codes must still be followed and other permits might still apply (e.g. Most jurisdictions follow the International Building Code, which devotes one sectionR507to deck construction. Crown Molding, Finishing Carpenter New Castle County. Footings adjacent to the top of a retaining wall must be set-back from the top of the wall a distance equal to the height of the wall, or be placed below grade an amount equal to the height of the retaining wall. The California Building Standards Code is made up of 12 parts containing various construction codes consisting of building, residential, plumbing, mechanical, electrical energy, fire, historical . chief building official and budget county funds to the building and safety division, as it may deem necessary for the operation of the division. It works to develop and implement the Sonoma County General Plan, Local Coastal Program and other adopted Area Plans or Specific Plans. We for example don't use 24" from joist to joist but 16" and under a hot tub we go to 12". 10.9 Braced wall lines shall be sized and configured in accordance with section R602.10 in its entirety. Provide adequate identifications of assumed braced wall lines for conventional bracing, and provide on the plans lateral load resisting gridlines, corresponding to the structural calculations, for engineered structures. Foundation walls exceeding 4 feet 6 inches in height shall be a minimum 7.5 inches thick. Concrete footing shall be designed and constructed in accordance with the provisions of Section R403 IRC R403.1.1 & IBC 1805.4.1 Minimum size We put time and effort into building a deck you can enjoy Serving North Marin & West Sonoma Counties in the San Francisco North Bay area of Northern California Designing decks for our location We are in the #4 earthquake zone the highest risk of all. Clay, silty clay, silt: Clay particles will remain suspended in water for a day or longer. In either case, you are allowed to build taller guardrails as long as they conform to all other requirements stated in the code. (CalGreen 301.1) Mandatory provisions shall apply only to the specific area of the addition or alteration. Garage to dwelling unit separation is not a rated firewall. In addition, the minimum balustrade height is 42 inches. Treads must be at least 10 inches deep, measuring from front to back. 8.1 Concrete shall be 3,000 pounds per square inch minimum for foundation and retaining walls (including stem walls), garage floor slabs, and porches or steps exposed to weather and 2,500 pounds per square inch minimum for all other concrete. (R308.4.5), 7.12 Wood burning appliances shall be EPA phase II certified in the Northern Sonoma County Air Pollution Control District. Well & Septic, Use, or Zoning). "Building Code" means the County Building Code as set forth in Chapter 7 of the Sonoma County Code. Width shall be 36 inches minimum. 18.10 Glass and Glazing. So we have lots of help for you to learn how deep to dig, how large a footing should be based on load and soil capacity, how to connect hardware to the pier AND we talk about floating or free standing decks. Include the size, spacing and grade of all members. The WUI standards apply to new buildings of all occupancy types in SRA areas, in addition to the following:. Deck framing shall be positively attached to building framing at a minimum of 2 locations within 24 inches of each end of the deck with hold-down tension devices having an allowable design capacity of not less than 1500 pounds each, or at a minimum of 4 locations with hold-down tension devices of not less than 750 pounds allowable design capacity. Justify the amount of bracing provided at each wall line, per wind and seismic requirements of the CRC for non-engineered structures. (R303.3.1), 2.5 Provide ventilation for products of combustion to outside air. 1.7 Wall Bracing Plans/Shear Wall Plans: Provide plans which adequately dimension all braced wall segments and locations for non-engineered plans, and/or identify and dimension engineered shear wall locations and minimum lengths. Exterior wall projections less than 2 feet from an adjacent property line are not allowed. Per Table R905.1.1(1), ASTM D226 View how long it took from application submission, to first review comments, to permit issuance during the previous month. Show roof rafters and ceiling joists. A separate Grading Permit application is required if the project meets the criteria established by Chapter 11 of the Sonoma County Code. Guardrails are required once the deck is 30 or more above grade. Reviews construction plans prior to issuance of a building permit to ensure the project will conform to the uniform construction codes (building, electrical, plumbing, and mechanical) and sound engineering practices. Material: HOW TO PICK THE RIGHT MATERIAL? Some residential structures in close proximity to known earthquake faults may not be eligible to use the CRC for the structural portion of their design. Always refer to your local building codes or a structural engineer. Check Permit Status. (CMC Chapter 7). Disability Access Requirements and Resources(PDF: 115kB). The third party CALGreen special inspector shall also achieve the field verification of the required CALGreen elements during the construction and inspection process. Every three years, the State adopts new codes to establish uniform standards for the construction and maintenance of buildings. Deck safety is a real problem. BMPs). Reviews construction plans prior to issuance of a building permit to ensure the project will conform to the uniform construction codes (building, electrical, plumbing, and mechanical) and sound engineering practices. (R506.2.3.1 & CalGreen 4.505.2.1), 4.6 The ground adjacent to the foundation shall be sloped so that the grade shall fall a minimum of 6 feet within the first 10 feet. For other sizes and spans, see Table R602.7 (1, 2, & 3). This includes regulations for construction, maintenance, use and occupancy as required to provide the minimum standards to safeguard the life, limb and property and protect the public health, safety and general welfare. Building Departments (BD) This section guides you to your local building department. Deck post size is important. (R302.3), Subdivisions and Survey for Engineers and Surveyors, 2022 California Green Building Standards Code (CalGreen), Land use limitations County zoning ordinances, contact Planning Division, Geologic hazards Landslides, geotechnical (soils) report. The Building Division inspects construction projects after the building permit has been issued. (R317.1) Hardware and fasteners shall be hot-dipped galvanized, stainless steel, silicon bronze, or copper. (R802.3.1 & R802.10). (CEC 210.52F), 6.3 Kitchens and dining areas must have a minimum of two 20 ampere circuits. A freestanding deck in your backyard may give you a chance to relax away from the house and the distractions inside so you can simply enjoy the scenery. 3.9 Minimum size of concrete footings for exterior decks shall be in accordance with CRC Table R507.3.1, based on the tributary area of the footing and an assumed bearing capacity of soil of 1500 pounds per square foot, unless a higher bearing capacity has been justified by a geotechnical report. In the Bay Area Air Quality Management District, wood burning appliances are not allowed. 2 grade lumber. The focus of this division is on protecting public health and safety. This is a fully integrated code based on the 2021 International Residential Code (Chapters 2-10). Show elevations, flashing, and anchorage. The deck 40 psf live and 10 psf dead. 2004-2022 Decksgo.com. A separate plan and details will be required identifying protection of storm water runoff during construction (i.e. Call (707) 784-6765. Get Quotes and Book Instantly. The pier is whatthe posts sit on those carry the entire weight of deck. Any analysis of what load a structure may bear upon itself and its foundation must involve thesupport post networkandsoil bearing capacity. Building Code. 13.1 New structures, and remodels and additions to existing structures shall meet the requirements of the Permit Sonoma Planning Division based on parcel specific zoning, use, and setback requirements. Print job title or description, address and assessors parcel number and drawing index on the cover sheet. 2035) Chapter 7. Corrosion resistant flashing is required for connecting to wood framed buildings. Preliminary review with staff is encouraged to ensure complete applications. At their meeting on November 2, 2022, the Sonoma City Council adopted an ordinance amending and adopting the 2022 California Building Standards Code. 10.10 Spacing of braced wall lines shall not exceed 25 feet (interior & exterior) unless length of required bracing, per Table R602.10.3(3) is adjusted in accordance with Table R602.10.3(4). The more you know, the better your deck and backyard projects will be! So build your deck the right way, from the ground and posts up. This guidance applies to most decks. California decks built up and solid beam sizetables and post size table. Section 311 Storage Group S [Building Code]Section 309 Mercantile Group M [Building Code]Section 308 Institutional Group I [Building Code]Section 312 Utility and Miscellaneous Group U [Building Code]Section 306 Factory Group F [Building Code]Section 305 Educational Group E [Building Code]Section 307 High-Hazard Group H [Building Code] The space between the finished floor and the bottom rail must not exceed 4 inches. Deck ledgers shall be minimum 2x8 pressure-preservative-treated No. 1.10 Calculations: Provide engineers or architects design calculations for engineered plans. For information on Building Design Assistance, go here. Residences which are conventionally wood framed and up to two stories in height may not need to be prepared by a licensed design professional; however, the individual preparing and signing plans is responsible to be knowledgeable of all applicable codes and capable of preparing plans drawn to recognized architectural standards. Hard costs: Building structures. It typically is a darker color and will last longer than the light treatments found in box stores for example. (R507.9.2), 3.12 Deck framing and support posts to be of preservative treated or naturally durable lumber. Spans shall be per Tables R802.4(1) & (2) for ceiling joists and Tables R802.5.1(1) & (2) for rafters. The building inspectors are generally in the office between 8-8:30AM and 4:00-4:30PM. The city will tell you right up front what the setbacks from property lines or sidewalks are. All Rights Reserved. Tempered windows 2. (R314.3), 6.9 When more than one smoke alarm or carbon monoxide alarm is required, the alarm devices shall be interconnected. Learn how to trace the number and size of rises and runs to cut out your stair stringer. Transportation and Public Works is now Sonoma Public Infrastructure - Website updates coming soon! In addition there shall be at least one room with a minimum of 120 square feet in each dwelling. All CALGreen required details and specifications shall be reflected in the applicable project plans. (CMC 504.4.2), 7.6 Water closet shall be located in a space not less than 30 inches in width with 24 inch minimum clearance in front.