This chapter shall be known as the "Placentia Residential Code."
(Ord. O-2025-11, 11/18/2025)
The purpose of this chapter is to prescribe regulations for erecting, construction, enlargement, alteration, repair, improving, removal, conversion, demolition, occupancy, equipment use, height, and area of buildings and structures and conditions hazardous to life or property in the occupancy of residential buildings and premises as herein provided.
(Ord. O-2025-11, 11/18/2025)
Except as provided in this chapter, those certain building codes known and designated as the California Residential Code (CRC), 2025 Edition, based on the 2024 International Residential Code as published by the International Code Council, including Division II in Chapter 1, and including Appendix BF (Patio Covers) and Appendix CI (Swimming Pool Safety Act), shall become the residential code of the city of Placentia for regulating the erection, construction, enlargement, alteration, repair, moving, removal, demolition, conversion, equipment, use, height, area and maintenance of all residential structures within the scope of the CRC in the city of Placentia.
Whenever the California Code of Regulations and State Building Standards Code of Regulations differ from any provision of the Placentia Residential Code, said state regulations shall prevail over the provisions of the Placentia Residential Code except as specifically modified herein.
(Ord. O-2025-11, 11/18/2025)
Whenever any of the following names or terms are used in the California Residential Code, each such name or term shall be deemed and construed to have the meaning ascribed to it in this section as follows:
"Building department"
means the building division of the city.
"Building official"
means the chief building official of the city as appointed by the city administrator of the city, or his or her designee.
"City"
means the city of Placentia.
"Fire Code"
means the Placentia Fire Code.
"Fire code official"
means the chief of the Placentia fire and life safety department or other individual as appointed by the city administrator of the city, or his or her designee.
"Jurisdiction"
means the city.
"Local enforcing agency"
means the agency for which the fire code official performs its duties and/or the city.
(Ord. O-2025-11, 11/18/2025)
The following provisions of the 2025 California Residential Code (CRC) hereby are amended to read, in words and figures, as follows:
(a) 
CRC Table R301.2 is revised to read as follows:
TABLE R301.2—CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Ground Snow Loado
Wind Design
Seismic Design Categoryf
Subject To Damage From
Ice Barrier Underlayment Requiredh
Flood Hazardsg
Air Freezing Indexi
Mean Annual Tempj
Speedd
(mph)
Topographic effectsk
Special wind regionl
Windborne debris zonem
Weatheringa
Frost line depthb
Termitec
Zero
95
No
No
No
D2 or E
Negligible
12-14"
Very Heavy
No
Y/N
Zero
66
MANUAL J DESIGN CRITERIAn
Elevation
Altitude correction factore
Coincident wet bulb
Indoor winter design relative humidity
Indoor design dry-bulb temperature
Outdoor winter design dry-bulb temperature
Heating Temperature Difference
272
—
70
75
—
34
—
Latitude
Daily range
Summer design gains
Indoor summer design relative humidity
Indoor summer design dry-bulb temperature
Outdoor summer design dry-bulb temperature
Cooling Temperature Difference
33°52'57"
27
—
15(50% RH)
—
80
—
For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m/s.
a.
Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code. The weathering column shall be filled in with the weathering index (i.e., "negligible," "moderate" or "severe") for concrete as determined from the Weathering Probability Map [Figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C 652.
b.
The frost line depth may require deeper footings than indicated in Figure R403.1(1). The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade.
c.
The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage.
d.
The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)]. Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4.
e.
The jurisdiction shall fill in this section of the table to establish the design criteria using Table 10A from ACCA Manual J or established criteria determined by the jurisdiction.
f.
The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1.
g.
The City of Placentia does not have any Flood Hazards Zones. (OR, if yes) See City's FIRM maps for Flood Hazard Locations.
h.
In accordance with Sections R905.2.7.1, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with "YES." Otherwise, the jurisdiction shall fill in this part of the table with "NO."
i.
The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99%) value on the National Climatic Data Center data table "Air Freezing Index- USA Method (Base 32°)" at www.ncdc.noaa.gov/fpsf.html.
j.
The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table "Air Freezing Index-USA Method (Base 32°F)" at www.ncdc.noaa.gov/fpsf.html.
k.
In accordance with Section R301.2.1.5, where there is local historical data documenting structural damage to buildings due to topographic wind speed-up effects, the jurisdiction shall fill in this part of the table with "YES." Otherwise, the jurisdiction shall indicate "NO" in this part of the table.
l.
In accordance with Figure R301.2(4)A, where there is local historical data documenting unusual wind conditions, the jurisdiction shall fill in this part of the table with "YES" and identify any specific requirements. Otherwise, the jurisdiction shall indicate "NO" in this part of the table.
m.
In accordance with Section R301.2.1.2.1, the jurisdiction shall indicate the wind-borne debris wind zone(s). Otherwise, the jurisdiction shall indicate "NO" in this part of the table.
n.
The jurisdiction shall fill in these sections of the table to establish the design criteria using Table 1a or 1b from ACCA Manual J or established criteria determined by the jurisdiction.
o.
The jurisdiction shall fill in this section of the table using the Ground Snow Loads in Figure R301.2(6).
(b) 
CRC Section R902.1 is amended by revising it to allow only class A or B roofs as follows:
R902.1 Roofing assemblies. Roofs shall be covered with materials as set forth in Sections R904 and R905. A minimum Class A or B roofing shall be installed in areas designated by this section. Classes A or B roofing required by this section to be listed shall be tested in accordance with UL 790 or ASTM E 108.
Exceptions:
1. 
Class A roof assemblies include those with coverings of brick, masonry and exposed concrete roof deck.
2. 
Class A roof assemblies also include ferrous or copper shingles or sheets, metal sheets and shingles, clay or concrete roof tile, or slate installed on noncombustible decks.
R902.1.2 Roof coverings within all other areas other than Fire Hazard Severity Zones or a Wildland-Urban Interface (WUI). The entire roof covering of every existing structure where more than 50 percent of the total roof area is replaced within any one-year period, the entire roof covering of every new structure, and any roof covering applied in the alteration, repair or replacement of the roof of every existing structure, shall be a fire-retardant roof covering that is at least Class B.
(c) 
CRC Appendix CI, Section CI100 is revised to read as follows:
(a) Except as provided in Section CI100, when a building permit is issued for the construction of a new swimming pool or spa or the remodeling of an existing swimming pool or spa at a private single-family home, the respective swimming pool or spa shall be equipped with item #1 below AND at least one additional following seven drowning prevention features:
#1. An enclosure that meets the requirements of CI100 and isolates the swimming pool and spa from the private single-family home. Any walls of the residential structure or accessory structures used to complete the isolation enclosure must have door openings equipped with protection as required in CI100. Any such door(s) and window(s) protection device provided for this purpose may not be used to comply with the second drowning prevention feature requirement.
(Ord. O-2025-11, 11/18/2025)
Notwithstanding any provision of the Placentia Residential Code as hereby adopted, all fees for services provided pursuant to the Placentia Residential Code shall approved by resolution therefor as adopted by the city council of the city of Placentia pursuant to the provisions of California Government Code § 66016, et seq. In addition to any other fee(s) to be charged hereunder, any person, firm, partnership or corporation initiating or engaging in any work without the permit therefor as required hereunder shall pay, a penalty equal to 100% of the fee for the requisite permit if issued after such work commences, is initiated or engaged in by such person, firm, partnership or corporation.
(Ord. O-2025-11, 11/18/2025)
One (1) copy of the California Residential Code (CRC), 2025 Edition, is on file in the office of the building official pursuant to the requirements of California Health and Safety Code § 18942(e)(1) and is available for public inspection.
(Ord. O-2025-11, 11/18/2025)