Local zoning · Menlo Park

Menlo Park — Zoning

Zoning under the Menlo Park local zoning and planning code, with the controlling citations.

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Last reviewed: July 2, 2026

Overview

This page summarizes how Menlo Park’s local zoning code (Title 16 of the Menlo Park Municipal Code) organizes land by zoning districts, what uses each district allows, and the most important dimensional and program rules that affect whether a project is permitted. For quick technical references read the district chapters cited below (for example § 16.14.030 for the R-1‑S district). Confirm parcel-specific facts with the city; where the code delegates detail to a plan or map I note that explicitly. See local rules on development standards for numeric limits and the city's rules for parking and design review to understand application-level requirements.

(First-time readers: for accessory dwelling units (ADUs) see the dedicated chapter summarized below and for state construction rules consult the California Building Standards Code.)

How I use the code below

  • I name each Menlo Park zoning district using the code’s own designation (for example R-1‑S, R-MU, LS) and cite the controlling local section (the § number) from the retrieved ordinance.
  • Where the code references the adopted zoning map or specific plans (ECR/D, Bayfront) I note that and point to the controlling §.

District-by-district breakdown

R-1-S (Single‑Family Suburban Residential) — § 16.14.010 – § 16.14.030

Purpose and where it applies

  • The R-1‑S district is the city’s established single‑family suburban district; it preserves low-density single‑family neighborhoods. § 16.14.010.

Typical permitted uses

  • Single‑family dwellings, accessory buildings, and secondary dwelling units (ADUs) in accordance with Chapter 16.79. § 16.14.010.

Key dimensional standards (decision‑relevant)

  • Minimum lot area: 10,000 sq ft. § 16.14.030.
  • Minimum yards: 20 ft front, 20 ft rear, 10 ft side (corner street side 12 ft). § 16.14.030.
  • Maximum building coverage / FAL and daylight plane rules are specified in § 16.14.030; discretionary review may impose additional controls. § 16.14.030.

Practical note: ADU rules in Chapter 16.79 apply to R‑1 lots (see ADU subsection).

R-1‑U (Single‑Family Urban Residential) — Chapter 16.16 (§ 16.16.010 – § 16.16.030)

Purpose and uses

  • R-1‑U permits single‑family dwellings and ADUs; its development regulations differ from R‑1‑S (smaller urban lots). § 16.16.010.

Key standards

  • Building coverage and floor area limits (FAL) vary by lot size; see § 16.16.030 for the coverage table and FAL formulas. § 16.16.030.

R-2 (Low Density Apartment) — § 16.18.010 – § 16.18.030

Purpose and uses

  • Allows duplexes and small multi‑unit housing; ADUs are permitted consistent with Chapter 16.79. § 16.18.010.

Key standards

  • Minimum lot area: 7,000 sq ft. § 16.18.030.
  • Yards: 20 ft front and rear; side setbacks based on a percentage of lot width (minimum 5 ft, maximum 10 ft). § 16.18.030.
  • Max height: 28 ft (measured from average grade). § 16.18.030.

R-3 / R-3‑A / R-3‑C (Apartment / Mixed Office-Apartment types) — Chapter 16.20 / 16.24 / 16.26

Purpose and uses

  • R-3 is the standard apartment district allowing multi‑unit housing, duplexes and related accessory uses; R‑3 variants add hybrid office/residential rules where shown on the map. § 16.20.010.

Standards snapshot

  • Development regulations and residential design standards are in § 16.20.030 and the chapter subsections; daylight plane rules and landscaping minima apply; see the chapter for numeric FAL / coverage limits. § 16.20.030.

R-4 / R-4‑S (High‑Density Residential) — Chapter 16.22 / § 16.23.010

Purpose and uses

  • R-4 and R-4‑S enable higher-density housing (up to 30–40 du/acre depending on subdistrict) with detailed standards for floor area ratio, open space and landscaping. § 16.22.040; § 16.23.010.

Key standards

  • Density and F.A.R. limits, maximum heights (often 40 ft), minimum landscaping and floor area ratios are set in the chapter (see § 16.22.040).

R‑MU (Residential Mixed Use) — Chapter 16.45 (§ 16.45.010 – § 16.45.120)

Purpose and where it applies

  • The R-MU district is intended to provide high density housing with ground-floor neighborhood-serving retail and to promote pedestrian activity, primarily in the Bayfront/connectivity areas designated on the zoning map. § 16.45.010 – § 16.45.020.

Typical uses

  • Multiple dwellings (required), limited office, retail and eating establishments (size limits apply). § 16.45.020.

Key dimensional standards

  • Minimum open space: 25% of the site for many R‑MU locations; thresholds for base vs bonus development (bonus allows higher FAR/height in exchange for community amenities or affordable housing) are in § 16.45.050 – § 16.45.070. § 16.45.055 – § 16.45.070.

Practical note: Master planned projects and bonus-level development rules (O/LS/R‑MU) allow aggregation of FAR/open space across large, commonly‑owned sites (see § 16.43.055).

C‑MU (Neighborhood Mixed Use) — Chapter 16.40 (§ 16.40.010 – § 16.40.040)

Purpose and uses

  • C‑MU enables neighborhood-serving retail, offices and housing in mixed developments and includes specific parking limits and design controls. § 16.40.010.

Key standards

  • Parking minimums and maximums for residential and commercial components are detailed in § 16.40.030 (table of spaces by use). § 16.40.030.

C‑1 / C‑2 / C‑3 (Commercial Districts) — Chapters 16.30, 16.37, 16.38

Purpose and uses

  • These district variants regulate intensity and kinds of commercial uses (administrative C‑1, neighborhood retail C‑2, and special variants C‑2‑S). Permitted uses and conditional uses are listed in each chapter’s Permitted uses subsection. § 16.30.010; § 16.38.010; § 16.37.010.

Key standards

  • Development regulations (setbacks, heights, F.A.R. for mixed uses) and separate rules for the El Camino Real / Downtown area (ECR/D specific plan) apply; § 16.58.020 makes the specific plan the controlling document for ECR/D properties.

O (Office) — Chapter 16.43 (§ 16.43.010 – § 16.43.140)

Purpose and uses

  • O is intended for administrative and professional offices, limited retail accessory uses and light R&D; hotel uses are allowed in O‑H locations shown on the zoning map. § 16.43.010 – § 16.43.020.

Key standards (decision‑relevant)

  • Permitted and administratively‑permitted uses, parking standards and bonus-level development rules are in § 16.43.020 – § 16.43.090; bonus increases in FAR/height require a permit and community amenities per § 16.43.060 – § 16.43.070.

LS (Life Sciences) — Chapter 16.44 (§ 16.44.010 – § 16.44.120)

Purpose and uses

  • LS is crafted to accommodate life sciences / lab, light industrial and research uses on the Bayfront; it includes dedicated design and parking standards for these uses. § 16.44.010 – § 16.44.020.

Key dimensional rules shown in the chapter

  • Minimum lot area: 25,000 sq ft; minimum lot width: 100 ft; minimum setbacks at street: 5 ft in many cases; base FAR and bonus FAR levels are set in § 16.44.050 (examples in the code show base FAR ~55% with bonus up to 125% depending on commercial mix—see the chapter for exact numeric rules by location). § 16.44.050 – § 16.44.060.

M‑3 (Commercial Business Park) — Chapter 16.47 (§ 16.47.010 – § 16.47.040)

Purpose and uses

  • M‑3 supports campus and business park uses with standards for design and green-building. § 16.47.010.

Key standards

  • Uses, conditional uses and development regulations are in the chapter; parking and sustainability rules are emphasized (see § 16.47.020 – § 16.47.040).

OSC (Open Space & Conservation) — Chapter 16.48 (§ 16.48.010)

Purpose and uses

  • OSC preserves public and private open space and natural resources; permitted uses and conservation controls are in § 16.48.010 – § 16.48.050.

P‑F (Public Facilities) — Chapter 16.49 (§ 16.49.010 – § 16.49.020)

Purpose and uses

  • P‑F accommodates governmental, utility and public service facilities; permitted uses and development rules are in the chapter. § 16.49.010 – § 16.49.020.

Special chapters & overlays (important operational rules)

  • Accessory Dwelling Units (ADUs): Chapter 16.79 governs ADUs and JADUs (permitted sizes, parking, setbacks). Notable rules: attached/interior ADUs up to 1,000 sq ft or 50% of the primary dwelling (whichever is greater), detached ADUs up to 1,000 sq ft, and one off‑street parking space is normally required but with multiple exemptions. See § 16.79.030 – § 16.79.100.

    • For ADU parking specifics see § 16.79.080.
    • For other ADU regulations applicable to single‑family vs multifamily see § 16.79.050 and § 16.79.090.

  • El Camino Real / Downtown Specific Plan (ECR/D): For properties inside the ECR/D area the specific plan controls uses, development and parking (Chapter 16.58.020). § 16.58.020.

  • Bonus level development / community amenities: Office, Life Sciences and R‑MU districts include bonus provisions (e.g., O‑B, LS‑B, R‑MU‑B) where increased FAR/height is allowed in exchange for community amenities and/or affordable housing; see § 16.43.060, § 16.44.060, § 16.45.060 – § 16.45.070.

  • Special uses & use permits: Uses with unique impacts (heliports, adult entertainment, storage for RVs, firearms sales near residential) are treated as special uses and require a use permit under Chapter 16.78 and Chapter 16.82 procedures. § 16.78.010 – § 16.78.030.

  • Nonconforming uses / amortization / exemptions: Rules that address existing nonconforming buildings and uses (amortization, restoration) appear in Chapter 16.80 and the code contains exemptions for buildings lawfully existing on rezoning dates (see § 16.80.130 for O/LS/R‑MU exemptions). § 16.80.040 – § 16.80.140.

Key standards at a glance (decision‑relevant table)

District Typical permitted uses (decision‑relevant) Key numeric controls (examples) Code Reference
R-1‑S Single‑family, ADUs Min lot: 10,000 sq ft; front yard 20 ft; side 10 ft; height limits & daylight plane § 16.14.010 – § 16.14.030
R-2 Duplexes, small multi‑units, ADUs Min lot: 7,000 sq ft; front/rear 20 ft; max height 28 ft; floor area ≤ 40% § 16.18.010 – § 16.18.030
R‑MU Multiple dwellings required; neighborhood retail Min open space ~25%; bonus development rules for higher FAR/height § 16.45.020 – § 16.45.070
LS Life sciences, R&D, light industrial Min lot area 25,000 sq ft; min width 100 ft; base/bonus FAR (see chapter) § 16.44.050 – § 16.44.060
O (Office) Admin/professional offices; limited retail Office uses and bonus rules; parking & design standards apply § 16.43.020 – § 16.43.070
C‑MU / ECR/D Mixed retail/residential; ECR/D specific plan controls Parking matrix by use; specific plan overrides in ECR/D area § 16.40.030; § 16.58.020

(For full numeric tables for a parcel, consult the chapter that controls the district on the adopted zoning map and the specific plan where noted.)

Checklist — what an applicant must satisfy before filing

  • Confirm the parcel’s zoning designation on the city’s adopted zoning map and any overlays (ECR/D, bonus areas, historic districts). Verify map status with the planning department. Verify with the jurisdiction.
  • Confirm permitted uses and whether your use is administratively permitted, conditionally permitted (use permit), or a special use (see § 16.78.030). § 16.78.010 – § 16.78.030.
  • Confirm development standards that apply: minimum lot area, setbacks, lot coverage, floor area limits or F.A.R., height and daylight plane rules (refer to the district chapter cited above).
  • Check parking obligations (Chapter 16.72 and district parking sections such as § 16.40.030 for C‑MU). Consult the parking manager for shared parking/studies.
  • If proposing ADUs, follow the ADU rules in § 16.79.030 – § 16.79.100 (size, setback and parking exceptions). § 16.79.030 – § 16.79.100.
  • Determine whether design review / architectural control applies to the project (see applicable district design standards and § 16.68.020). Verify with planning staff.
  • If seeking bonus FAR/height, identify required community amenities or affordable housing obligations per the relevant district (see § 16.43.060, § 16.44.060, § 16.45.060).
  • Confirm whether the property is within a historic district or subject to nonconforming/use protections (see Chapter 16.80).
  • For discretionary actions, be prepared for public hearings and possible conditions under Chapter 16.82 (use permits / conditional development permits).

Risks & Ambiguities

Issue Why it matters What to verify
Parcel‑level zoning vs code chapters The chapters set standards but the adopted zoning map determines which chapter applies to your parcel. Verify the zoning map designation with planning staff (map referenced throughout the code; see § 16.43.060). Verify with the jurisdiction.
Bonus‑level eligibility Bonus rules vary by district and location (O, LS, R‑MU) and require community amenities/affordable units. Confirm whether your parcel is designated O‑B, LS‑B, R‑MU‑B on the map and read § 16.43.060, § 16.44.060, § 16.45.060.
Overlays & Specific Plans (ECR/D) Where a specific plan controls, it supersedes the base district’s chapter for uses and development. § 16.58.020 makes ECR/D the controlling plan. Check if the property lies inside the El Camino Real/Downtown Specific Plan area and apply the specific plan rules. Verify with the jurisdiction.
Historic‑status constraints Historic listing or district status can prohibit certain conversions or trigger extra review. Verify historic designation and consult Chapter 16.80 (nonconforming uses/structures). Verify with the jurisdiction.
ADU parking and exemption complexity ADUs have one-space default requirement with multiple statutory and local exemptions (transit proximity, garage conversion, historic district). Follow § 16.79.080 for local ADU parking rules and verify parcel-specific exemptions.

Plain‑English Summary

Menlo Park’s zoning code (Title 16) sorts land into named districts (for example R‑1‑S, R‑2, R‑MU, O, LS) with separate chapters that list permitted uses, conditional uses, and numeric development controls (setbacks, heights, lot area, FAL/FAR). District chapters are the starting point for any project; certain areas (El Camino Real/Downtown, Bayfront bonus areas) are governed by additional specific‑plan or bonus rules and many common items (parking, ADUs, design review) are controlled by separate chapters referenced above. Always confirm the parcel’s zoning map designation and any overlays with planning staff because the district chapter only applies where the map places that district.

Source References

  • Menlo Park Municipal Code, Chapter 16.14 (R‑1‑S district) — § 16.14.010 – § 16.14.030.
  • Menlo Park Municipal Code, Chapter 16.16 (R‑1‑U district) — § 16.16.010 – § 16.16.030.
  • Menlo Park Municipal Code, Chapter 16.18 (R‑2) — § 16.18.010 – § 16.18.030.
  • Menlo Park Municipal Code, Chapter 16.20 / 16.23 / 16.22 (R‑3 / R‑4) — relevant sections cited above.
  • Menlo Park Municipal Code, Chapter 16.45 (R‑MU) — § 16.45.010 – § 16.45.070 (bonus & master planned projects).
  • Menlo Park Municipal Code, Chapter 16.40 (C‑MU parking table and use rules) — § 16.40.030.
  • Menlo Park Municipal Code, Chapter 16.43 (O / office district; bonus rules) — § 16.43.020 – § 16.43.070.
  • Menlo Park Municipal Code, Chapter 16.44 (LS life sciences) — § 16.44.050 – § 16.44.070.
  • Menlo Park Municipal Code, Chapter 16.58 (El Camino Real/Downtown specific plan) — § 16.58.020.
  • Menlo Park Municipal Code, Chapter 16.79 (Accessory Dwelling Units) — § 16.79.030 – § 16.79.100.
  • Menlo Park Municipal Code, Chapters 16.78 (Special Uses) and 16.80 (Nonconforming Uses) — cited where relevant.
  • Code source file used for this summary: MenloPark_ZoningCode.md (ecode360 export of Menlo Park Title 16), downloaded from https://ecode360.com/ME4536.

Sources

Retrieved passages

  • Menlo Park Zoning Code (§ 16.79.060) High relevance
  • Menlo Park Zoning Code (§ 2) High relevance
  • Menlo Park Zoning Code (§ 3) High relevance
  • Menlo Park Zoning Code (Chapter 16.60.) High relevance
  • Menlo Park Zoning Code (§ 16.44.015.) High relevance
  • Menlo Park Zoning Code (§ 16.58.020.) High relevance
  • Menlo Park Zoning Code (§ 3) High relevance
  • Menlo Park Zoning Code (Section 16.44.120) High relevance
  • Menlo Park Zoning Code (§ 3) High relevance
  • Menlo Park Zoning Code (Section 16.15.020.) High relevance
  • Menlo Park Zoning Code (§ 16.15.010.) High relevance
  • CBC § 11 (§ 11) High relevance
  • Menlo Park Zoning Code (Chapter 16.67) High relevance
  • Menlo Park Zoning Code (Chapter 16.67) High relevance

Cited sections

Frequently asked questions

What can I build on an R‑1 lot in Menlo Park?

On an R‑1 lot you can build a single‑family dwelling, accessory buildings and an ADU subject to Chapter 16.79. Key dimensional limits (minimum lot area, front/side/rear setbacks, building coverage and daylight plane) are set in the R‑1 chapter that applies to your parcel (examples: R‑1‑S § 16.14.010 – § 16.14.030 and R‑1‑U § 16.16.010 – § 16.16.030). Verify your parcel’s exact R‑1 subdistrict on the city zoning map because standards differ by subdistrict. § 16.14.010 – § 16.14.030.

What are Menlo Park setback requirements?

Setbacks are district‑specific. Example: R‑1‑S lists 20 ft front, 20 ft rear and 10 ft side setbacks in § 16.14.030; R‑2 and other districts list different values (see § 16.18.030 for R‑2). Manufacturer projections, balconies and daylight plane rules are addressed in Chapters 16.60 and 16.67. § 16.14.030; § 16.18.030; § 16.60.020.

Do I need design review in Menlo Park?

Design review/architectural control is required where the district or project thresholds in a district chapter call it out (many multi‑unit and commercial projects reference design standards and Section 16.68.020). Large additions (10,000 sq ft or more), conversions and some new construction must meet district design standards. Check the district chapter (for example § 16.45.120 for R‑MU design standards). § 16.68.020; § 16.45.120.

How do ADU rules work in Menlo Park?

ADUs and JADUs are governed by Chapter 16.79. Attached/interior ADUs are allowed (up to 1,000 sq ft or 50% of the existing dwelling in some cases), detached ADUs up to 1,000 sq ft are allowed, and ADU parking rules (typically one off‑street space) and many exemptions are listed in § 16.79.030 – § 16.79.100. For multifamily ADUs there are separate allowances in § 16.79.090. § 16.79.030; § 16.79.080; § 16.79.090.

What are Menlo Park parking requirements?

Parking is set both in district chapters and in a citywide parking chapter (off‑street parking, EV charging). District examples: § 16.40.030 (C‑MU parking table), § 16.43.090 (O district parking standards) and the ADU chapter § 16.79.080 has ADU parking rules. Shared parking studies and transportation manager discretion are allowed in some cases. § 16.40.030; § 16.79.080.

What is the Life Sciences (LS) district allowed to do?

The LS district anticipates life sciences, research & development, light industrial and similar uses; it sets minimum lot area (25,000 sq ft), minimum lot width (100 ft), minimum setbacks and base/bonus FAR and height standards in § 16.44.050 – § 16.44.060. Bonus development is available in LS‑B locations subject to permit and community amenities. § 16.44.050 – § 16.44.060.

Can I get extra height or FAR (a bonus) on my Bayfront site?

Yes — bonus level development is a defined program in the Bayfront districts (O‑B, LS‑B, R‑MU‑B) that allows increased FAR/height in exchange for required community amenities or affordable housing commitments; bonus eligibility and required approvals are in § 16.43.060, § 16.44.060, and § 16.45.060 – § 16.45.070. A use permit or conditional development permit is required. § 16.43.060; § 16.44.060; § 16.45.060 – § 16.45.070.

Where is the official zoning map for Menlo Park?

The code repeatedly references the city’s adopted Menlo Park zoning map (for example in bonus and specific plan sections) as the authoritative map to determine district boundaries. The ordinance text cites the map as the basis for district‑specific rules (see § 16.43.060 and other district chapters). The actual map image/file is maintained by the city planning department — contact planning to confirm the map designation for your parcel. Verify with the jurisdiction. § 16.43.060.

How do nonconforming buildings work in Menlo Park?

Chapter 16.80 provides the rules for nonconforming uses and structures, including amortization, restoration after destruction and exemptions tied to rezoning dates (for example § 16.80.130 lists exemptions for buildings existing as of specific ConnectMenlo rezoning effective dates). Review Chapter 16.80 and bring parcel‑specific questions to planning staff. § 16.80.040 – § 16.80.140. ---

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