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Earlier editions: 2026-09

Title 18 — ZONING›Division III — DISTRICT REGULATIONS

Lincoln Municipal Code § 18.12.030 Height regulations

Lincoln Municipal Code · 2026-10 edition · updated 2026-10-04 · Lincoln

Cite as: Lincoln Municipal Code § 18.12.030 · Text as of 2026-10-04

18.12.010 - Permitted uses.

Uses permitted in the R-1 district are as follows:

(1) Single-family dwellings;

(2) Accessory buildings as regulated by Section 18.36.050;

(3) Home occupations as regulated by Chapter 18.62;

(4) Accessory uses are regulated by Section 18.36.060;

(5) ADUs as regulated by Chapter 18.37;

(6) Transitional housing, defined in Health and Safety Code section 50675.2(h) as: buildings configured as rental housing developments, but operated under program requirements that call for termination of assistance and recirculation of the assisted unit to another eligible program recipient at some predetermined future point in time, which shall be no less than six months;

(7) Supportive housing, defined in Health and Safety Code section 50675.14(b)(2) as: housing with no limit on length of stay, that is occupied by the target population, and that is linked to onsite or off-site services that assist the supportive housing resident in retaining the housing, improving his or her health status, and maximizing his or her ability to live and, when possible, work in the community;

(8) Manufactured Home. In accordance with Government Code section 65852.3 (Local Manufactured Homes Zoning);

(9) Signs as permitted by Title 16.

(Ord. No. 1080B, § 5(5.2A), 7-23-2024; Ord. No. 964B, § 3, 5-8-2018; Ord. No. 910B, § 2, 1-12-2016; Ord. No. 856B, § 3, 5-24-2011; Ord. 465B §1, 1984; Ord. 357B §3.02.000, 1979)

Exceptions & meaning →

18.12.020 - Conditional uses.

The following uses are permitted in the R-1 district subject to issuance of a conditional use permit by the planning commission:

(1) Public utility buildings and uses, excluding equipment yard, warehouses or repair shops;

(2) Churches, schools, parks and playgrounds;

(3) Other uses which, in the opinion of the planning commission, are of a similar nature.

(Ord. 357B §3.02.010, 1979)

Exceptions & meaning →

18.12.025 - Accessory uses.

Emergency Generator. An emergency generator defined as a fixed device on a permanently mounted stand-by unit or combination of permanently mounted stand-by units, powered by natural gas for the purpose of temporarily supplying electricity for human occupancy in residential buildings that operates automatically as [a] secondary source of electrical power shall be permitted in accordance with the following requirements:

(1) An emergency generator shall be used only during periods of power outages or for periodic testing and necessary maintenance operation and shall not be used to sell power back to a power company or for use by power customers during periods of peak demand.

(2) Emergency generators shall be fueled by natural gas.

(3) Emergency generators are not permitted on the roof of a building.

(4) No emergency generator shall be installed prior to the issuance of a building permit.

(5) Placement of an emergency generator shall be permitted a minimum five feet from any building or openable window and shall maintain three-feet of clearance from the generator and the adjacent property line.

(6) Emergency generators are exempt from noise standards during periods of electrical power outages, including maintenance and periodic testing.

(7) The operating specifications of an emergency generator for the purposes of providing power during power outages shall not exceed noise levels of 60 dBA CNEL and interior noise levels of 45 dBA CNEL.

Exception: Fuel powered portable emergency generators are permitted within the residential zone when providing temporary power to energize domestic appliances and tools. Portable generators shall not be connected to an electrical main or sub panel and not exceed the established noise standards as detailed in this provision.

Solar Energy System. A solar energy system as defined in Section 15.05.020A. shall be permitted if the solar energy system meets all of the following conditions:

(1) The solar energy system shall be designed for the purpose of reducing on-site energy needs and shall be accessory to and incorporated into the development of an authorized use of the property.

(2) The solar energy system shall only be permitted on the roof of a permitted principle structure or in the rear and side yard of the lot adjacent to a permitted structure.

(3) The solar energy system shall conform to all set back requirements for the district in which the solar energy systems is located, unless the community development director or his designee identifies a safety concern requiring placement within the setback.

(4) The solar energy system shall be designed to absorb light, have minimal glint and glare and to scatter the reflected light.

(Ord. No. 1013B, § 1, 6-9-2020; Ord. No. 1001B, § 1, 11-12-2019; Ord. No. 1000B, § 1, 10-8-2019; Ord. No. 996B, § 1, 8-13-2019; Ord. No. 923B, § 1, 9-27-2016)

Exceptions & meaning →

18.12.030 - Height regulations.

(a) The maximum height for principal buildings and structures in the R-1 district shall be 35 feet.

(b) The maximum height for accessory buildings and structures in the R-1 district shall be 16 feet.

(Ord. 357B §3.02.020, 1977)

Exceptions & meaning →

18.12.040 - Lot area.

The minimum area for each lot in the R-1 district shall be as follows:

(1) Corner lot: 6,000 square feet;

(2) Interior lot: 6,000 square feet.

(Ord. 357B § 3.02.030, 1979)

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18.12.050 - Lot coverage.

The maximum lot coverage by all structures and buildings in the R-1 district shall not exceed 60 percent of the lot area.

(Ord. 748B § 1, 2003: Ord. 357B § 3.02.040, 1979)

Exceptions & meaning →

18.12.060 - Lot width.

The minimum lot width in the R-1 district shall be as follows:

(1) Corner lot: 50 feet;

(2) Interior lot: 50 feet.

(Ord. 357B § 3.02.050, 1979)

Exceptions & meaning →

18.12.070 - Yards.

No building or structure shall be erected or enlarged in the R-1 district after the adoption of the ordinance codified in this chapter unless the following yards are provided and maintained:

(1) Front Yard. There shall be a front yard of not less than 20 feet in depth.

(2) Rear Yard. For other than accessory buildings, there shall be a rear yard of not less than ten feet when structures are not adjacent to an alley. When adjacent to an alley, there shall be a rear yard of not less than five feet except as provided for in subsection 18.36.050(b). In addition, for all buildings and structures not less than 1,000 square feet shall remain uncovered on the rear one-third of each lot.

The rear yard setback for accessory buildings of 255 square feet in area or less: None required when the lot is adjacent to an alley, provided that for each one foot of rear yard setback provided an additional five square feet of building area is permitted up to a maximum of 15 additional square feet of building area; when not adjacent to an alley there shall be a rear yard setback of not less than five feet.

(3) Side Yard. There shall be a side yard of not less than five feet.

(4) Side Street Yard. On corner lots, there shall be a side street yard of not less than ten feet.

(5) Yards on Rights-of-Way in General Plan. Front, side, side street or rear yards required for lots abutting a highway or street for which rights-of-way are established by the circulation element of the general plan shall be determined as provided in Section 18.42.020.

(Ord. 799B § 2, 2006; Ord. 498B § 2, 1987; Ord. 456 § 1, 1984; Ord. 357B § 3.02.060, 1979)

Exceptions & meaning →

18.12.080 - Development standards for conditional uses.

Development standards for conditional uses in the R-1 district are as follows:

(1) Minimum lot area: 10,000 square feet;

(2) Minimum lot width: 100 feet;

(3) Minimum front-yard depth: 25 feet;

(4) Minimum rear-yard depth: 20 feet;

(5) Maximum height of building or structure: 45 feet.

(Ord. 357B § 3.02.070, 1979)

Exceptions & meaning →

18.12.090 - Minimum area of single-family residences.

(a) The minimum area for each single-family residence in the R-1 district shall be 1,200 square feet, excluding the garage or carport.

(b) This section shall apply only to single-family residences built on lands which have been subdivided pursuant to a tentative or parcel map which has been approved by the city council on or after the effective date of the ordinance codified in this title.

(Ord. 362B § 1, 1979: Ord. 357B § 3.02.080, 1979)

Exceptions & meaning →

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