Lincoln — Development Standards

Last reviewed: July 2, 2026

Overview

This page summarizes the City of Lincoln's development standards in its Zoning Ordinance (titled Title 18 - ZONING) with a focus on setbacks, heights, lot coverage, lot area/density rules and accessory dwelling unit (ADU) rules. For rules about permitted uses and mapping, start with the city's zoning & planning overview and the codified Lincoln Zoning chapters. Where the ordinance text is the source, I cite the controlling code section (§) and the municipal-code export for verification.

NOTE: This page stays strictly within the local zoning/planning ordinance — it does not interpret building-code (Title 24) requirements; for that consult the California Building Standards Code.

Citywide context — how the ordinance organizes standards

The ordinance is codified as Title 18 - ZONING (§ 18.02.010) and divides the city into districts (residential, commercial, planned development, public utility, etc.). Each district chapter sets the district purpose, permitted uses, and the controlling development standards (lot area, lot width, yards/setbacks, maximum height, and lot coverage). The Planned Development approach explicitly allows flexibility where approved through a PD application (§ 18.32.010–.030) . Design review and administrative review rules apply in several districts; see Design Review. Parking rules relevant to development and ADUs are discussed in the ADU chapter and elsewhere; see Parking and § 18.37.060 for ADU parking. ADU-specific development standards are in Chapter 18.37; see the ADU page at Lincoln ADUs and the ordinance citations below. Overlay zones (including the Civic Center Overlay called out in the commercial chapter) are handled separately; see Overlay Districts.

District‑by‑district development standards

Below I present each commonly used district that the code defines, with the ordinance's stated purpose/uses and the most decision-relevant numeric standards. Wherever the code gives special rules for conditional uses, I note those too.

R-1 Single‑Family Residential (R-1)

• Purpose / typical uses: Single‑family dwellings (see Chapter header and definitions) (§ 18.02.030 establishes the general zoning purpose) .
• Key dimensional standards (Chapter 18.12):
  • Maximum height (principal buildings): 35 feet (§ 18.12.030) .
  • Maximum height (accessory buildings): 16 feet (§ 18.12.030) .
  • Minimum lot area: 6,000 sq ft (corner and interior) (§ 18.12.040) .
  • Minimum lot width: 50 ft (corner and interior) (§ 18.12.060) .
  • Front yard setback: 20 ft (§ 18.12.070) .
  • Rear yard: generally 10 ft (reduced to 5 ft when adjacent to an alley for certain accessory buildings); the code also requires at least 1,000 sq ft uncovered on the rear one‑third of the lot (§ 18.12.070) .
  • Side yard: 5 ft; side street yard (corner lots): 10 ft (§ 18.12.070) .
  • Maximum lot coverage: 60% (§ 18.12.050) .
• Where it applies: Residential neighborhoods mapped R-1; design review criteria reference the same development standards when reviewing new single‑family design (see § 18.68.030) .

R-2 Two‑Family Residential (R-2)

• Purpose / typical uses: Duplexes and two‑family residential; some multi‑unit uses may be conditional (Chapter 18.14) .
• Key dimensional standards (Chapter 18.14):
  • Minimum lot area: two‑family: 6,500 sq ft; three‑family: 7,500 sq ft (§ 18.14.050) .
  • Maximum lot coverage: 50% (§ 18.14.060) .
  • Front yard: 25 ft; rear yard: 10 ft (plus 1,000 sq ft uncovered on rear one‑third); side yard: 5 ft; side street yard: 10 ft (§ 18.14.080) .
  • Development standards for conditional uses (e.g., higher intensity): minimum lot area 10,000 sq ft, front yard 25 ft, rear 20 ft, maximum height 45 ft (§ 18.14.090) .

R-3 Multiple Residential (R-3)

• Purpose / typical uses: Apartments and higher‑density multi‑family residential (Chapter 18.16) .
• Key dimensional standards:
  • Minimum lot area: 8,500 sq ft (corner and interior) (§ 18.16.030) .
  • Lot area per unit: four‑family minimum 8,500 sq ft, plus 1,000 sq ft per additional unit (§ 18.16.050) .
  • Maximum lot coverage: 60% (§ 18.16.060) .
  • Front yard: 25 ft; rear yard: 15 ft; side yard: 5 ft; courtyard/spacing: 15 ft between buildings; side street yard: 10 ft (§ 18.16.080) .
  • Conditional use development standards: for conditional/more intensive projects minimum lot area 10,000 sq ft, front and rear 20 ft, maximum height 45 ft (§ 18.16.090) .
  • Special performance standards exist for townhouses/rowhouses/condominiums and SROs (see § 18.16.100 and § 18.16.200) .

B‑P Business‑Park (B‑P)

• Purpose / typical uses: Business park, light industrial/service and mixed employment uses (Chapter 18.20) .
• Key dimensional standards:
  • Maximum height (principal): 35 ft (with an incentive extension formula: +1 ft height for each additional foot of side yard, up to 50 ft) (§ 18.20.030) .
  • Maximum accessory height: 16 ft (§ 18.20.030) .
  • Minimum lot area: 6,250 sq ft (§ 18.20.040) .
  • Maximum lot coverage: 60% (§ 18.20.060) .
  • Front yard: 20 ft; rear yard: 5 ft, or 10 ft when adjacent to residential; side yard: 5 ft; side street yard: 5 ft (§ 18.20.080) .
  • Conditional uses: minimum lot area 10,000 sq ft, front/rear yard 20 ft, maximum height 45 ft (§ 18.20.090) .

C Commercial (C)

• Purpose / typical uses: Shopping centers, retail, offices and similar commercial services (Chapter 18.22) .
• Key dimensional standards:
  • Maximum height: 50 ft; Civic Center Overlay exception: 75 ft for civic/public buildings in the Civic Center Overlay as mapped (§ 18.22.040) .
  • Minimum lot area: 2,500 sq ft (§ 18.22.050) .
  • Maximum lot coverage: 60% (§ 18.22.060) .
  • Yards: No yards required except 10 ft front/side/rear/side‑street when adjacent to a residential district (§ 18.22.080) .
  • Typical permitted uses are enumerated in § 18.22.010–.020 and include many retail and service uses; ADUs are allowed only for existing/proposed multi‑family structures consistent with Chapter 18.37 (§ 18.22.010, .020) .

PUB Public/Utility (PUB)

• Purpose / typical uses: Public utility, civic, and infrastructure uses (Chapter 18.31) .
• Key dimensional standards:
  • Setbacks: Front 20 ft; Side 20 ft; Rear 20 ft; From adjacent residential zoning 50 ft (§ 18.31.040) .
  • Maximum height: generally 35 ft; water tank height is governed by capacity/hydrology (§ 18.31.050) .
  • Lot area: minimum 1/2 acre; lot width: 100 ft; lot depth: 100 ft (§ 18.31.060–.080) .
  • Design review: new construction in PUB requires design review (§ 18.31.090) .

PD Planned Development (PD)

• Purpose / typical uses: Flexible mix of residential, commercial, industrial and open space to encourage creative site design (Chapter 18.32) .
• Key rules:
  • Flexibility: the PD is specifically intended to allow departures from strict district standards when a PD plan demonstrates equivalent or superior results (§ 18.32.010–.020) .
  • Minimum size guidance: generally developments < 10 acres are not acceptable; PD plans must be feasible as an independent unit (§ 18.32.030) .
  • Practical guidance: PD projects will have their own approved development standards (setbacks, height, coverage) approved as part of the PD permit — verify the PD plan when evaluating a parcel.

ADUs / JADUs (Chapter 18.37) — accessory dwelling units

• ADUs and JADUs are permitted in any zone where residential uses are allowed, subject to Chapter 18.37 rules (§ 18.37.010 et seq.) .
• Key numeric ADU standards (Table 18.37.050‑1):
  • Maximum ADU size: generally 1,000 sq ft (exceptions up to 1,200 sq ft per Government Code allowances) (§ 18.37.050 and Table) .
  • JADU maximum: 500 sq ft (Table 18.37.050‑1) .
  • Side/rear setbacks for detached ADU: 4 ft (no setback required for conversion of existing accessory structure) (§ 18.37.050 and accompanying notes) .
  • Detached ADU maximum height: generally 16 ft (with some allowances up to 18 ft near major transit or where the primary structure condition is met) (§ 18.37.050 Table and notes) .
  • Parking for ADUs: No additional off‑street parking spaces are required for ADUs/JADUs per § 18.37.060 (§ 18.37.060) .
  • Density counting: ADUs/JADUs do not count toward allowable density (§ 18.37.030(2)) .
• ADUs must still comply with building and safety codes; consult the California Building Standards Code for technical standards.

Quick reference table — common standards and where to verify in the code

Checklist — what an applicant must verify before filing

• Confirm the property's zoning designation on the official zoning map and review the corresponding chapter in Title 18 (§ 18.02.010) . (See Lincoln Zoning.)
• Confirm applicable setbacks (front/side/rear/side‑street) in the district chapter (e.g., § 18.12.070 for R‑1, § 18.14.080 for R‑2) .
• Confirm maximum height allowed for principal and accessory structures in the district (e.g., § 18.12.030, § 18.20.030, § 18.22.040) .
• Calculate lot coverage against district maximum (most residential and commercial districts show 50–60%) (§ 18.12.050; § 18.16.060; § 18.22.060) .
• If proposing an ADU/JADU, confirm Chapter 18.37 allowances and Table 18.37.050‑1 (size, setbacks, parking waivers) and consult Lincoln ADUs (§ 18.37.010‑.070) .
• Verify whether the project triggers design review or is within an overlay that imposes different standards (see Design Review and Overlay Districts) (§ 18.68.020–.030; § 18.22.040(b) for Civic Center) .
• Check conditional‑use standards where relevant — some higher‑intensity projects must meet special minima (e.g., §§ 18.14.090, 18.16.090, 18.20.090) .
• Confirm whether the parcel has nonconforming conditions or requires variances; if so, prepare findings and FAA determination when applicable (§ 18.76.020–.060) .
• For developments near heritage resources or protected oaks, review oak‑tree rules and the city's historic preservation guidance (see Historic Preservation; oak rules at § 18.69) .

Risks & Ambiguities

Information Gaps

• Floor Area Ratio (FAR): Not found in retrieved materials; code excerpts and table snippets do not display an explicit FAR metric — Verify with the jurisdiction or full municipal code.
• A comprehensive, consolidated off‑street parking schedule for non‑ADU projects was not included in the retrieved snippets — see Parking or verify with staff.
• Some overlay district map boundaries and all overlay‑specific standards (beyond the Civic Center overlay call‑out) were not included in the retrieved materials — consult the city's overlay map and Overlay Districts.

Plain‑English Summary

Lincoln's zoning code (Title 18) sets clear numeric development rules by district: residential zones (for example R‑1) typically limit homes to 35 ft tall, 20 ft front setbacks and 60% lot coverage; multifamily districts (like R‑3) require larger minimum lot areas and spacing; the C and B‑P commercial/business park districts set different heights and setbacks and include overlay exceptions like a 75 ft civic center height. ADUs are explicitly permitted across residential zones with their own size/setback/parking rules in Chapter 18.37. Always confirm the parcel's mapped zoning and any overlay or PD approvals because those can change the numeric standards. (§§ 18.12.030; 18.12.070; 18.16.050; 18.22.040; 18.37.010–.060) .

Source References

• Title and purpose of the Zoning Title: § 18.02.010–.030
• R‑1 Single‑Family standards: § 18.12.030–.080 (height, lot area, lot coverage, yards)
• R‑2 Two‑Family standards: § 18.14.050–.090 (lot area, lot coverage, yards, conditional uses)
• R‑3 Multiple Residential standards: § 18.16.030–.100 (lot area/unit, coverage, yards, performance standards)
• B‑P Business Park standards: § 18.20.030–.090 (height formula, lot area, yards)
• C Commercial standards & Civic Center overlay callout: § 18.22.040–.080 (height, lot coverage, yards)
• PUB district standards (setbacks, height, lot size): § 18.31.040–.090
• Planned Development purpose and flexibility: § 18.32.010–.030
• Accessory Dwelling Units (ADUs/JADUs): Chapter 18.37, including Table 18.37.050‑1 and §§ 18.37.010–.070 (size, setbacks, parking waivers)
• Design review authority and criteria: § 18.68.020–.030
• Variances / nonconforming use rules: § 18.76.020–.060 (variances and procedures)
• Oak tree preservation requirements: Chapter 18.69 (tree protection guidance)

Retrieved passages

• Lincoln Zoning Code (Section 18.37.060.) High relevance show source text
• Lincoln Zoning Code (§3.03.030) High relevance show source text
• Lincoln Zoning Code (§ 3.06.040) High relevance show source text
• Lincoln Zoning Code (title and) High relevance show source text
• Lincoln Zoning Code (§3.02.020) High relevance show source text
• Lincoln Zoning Code (Chapter 15) High relevance show source text
• Lincoln Zoning Code (Section 66323) High relevance show source text
• Lincoln Zoning Code (§ 3.06.080) High relevance show source text

Cited sections

• Title and purpose of the Zoning Title: **§ 18.02.010–.030** (Title and)
• R‑1 Single‑Family standards: **§ 18.12.030–.080** (height, lot area, lot coverage, yards) (§ 18.12.030)
• R‑2 Two‑Family standards: **§ 18.14.050–.090** (lot area, lot coverage, yards, conditional uses) (§ 18.14.050)
• R‑3 Multiple Residential standards: **§ 18.16.030–.100** (lot area/unit, coverage, yards, performance standards) (§ 18.16.030)
• B‑P Business Park standards: **§ 18.20.030–.090** (height formula, lot area, yards) (§ 18.20.030)
• C Commercial standards & Civic Center overlay callout: **§ 18.22.040–.080** (height, lot coverage, yards) (§ 18.22.040)
• PUB district standards (setbacks, height, lot size): **§ 18.31.040–.090** (§ 18.31.040)
• Planned Development purpose and flexibility: **§ 18.32.010–.030** (§ 18.32.010)
• Accessory Dwelling Units (ADUs/JADUs): **Chapter 18.37**, including Table 18.37.050‑1 and §§ 18.37.010–.070 (size, setbacks, parking waivers) (Chapter 18.37)
• Design review authority and criteria: **§ 18.68.020–.030** (§ 18.68.020)
• Variances / nonconforming use rules: **§ 18.76.020–.060** (variances and procedures) (§ 18.76.020)
• Oak tree preservation requirements: **Chapter 18.69** (tree protection guidance) (Chapter 18.69)
• Lincoln_ZoningCode.md

• Official Lincoln code library