Local zoning · Menlo Park

Menlo Park — Land Use

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

Ask a question free See coverage

Last reviewed: July 2, 2026

Overview

This page summarizes how Menlo Park’s zoning ordinance (Title 16) controls what can be built and used on land in each zoning district: which uses are permitted, which are conditional, and the most relevant dimensional limits (lot size, yards, FAR, height). It synthesizes the local rules in plain English and points to where to confirm parcel‑specific questions. All statements below are grounded in the Menlo Park Zoning Code; each rule cites the controlling § and the source excerpt used.

Note: for technical development standards like construction methods and code compliance, see the California Building Standards Code. For parking, design review, overlays, ADU rules and other process pages, see the city links used inline below.

How the code treats Land Use (rules that apply citywide)

  • Uses allowed in a given district are either permitted, administratively permitted, or conditional (allowed only with a use permit). See the ordinance’s definition of “conditional use” at § 16.04.210.
  • The general rule: “no land shall be used… except as specifically provided” in the district chapters; the planning commission resolves ambiguities about classification or boundaries by interpretation. See § 16.08.040 and § 16.08.050.
  • Floor Area Ratio rules apply to most non‑single family districts; the definition of FAR and where it applies appears in § 16.04.315.
  • For project‑level requirements like landscaping and parking, consult the city’s development standards and parking pages; the ordinance also references specific parking rules inside multiple chapters.

District-by-district breakdown

Below are the commonly used Menlo Park zoning districts with purpose, typical permitted uses, key dimensional standards and where the district applies (when stated in the code). All items cite the controlling §.

R-E (Residential Estate)

  • Purpose / Typical permitted uses: Single‑family dwellings and secondary dwelling units (ADUs) and accessory buildings. § 16.10.010.
  • Key dimensional standards: Minimum lot area: 20,000 sq ft; minimum land area per dwelling unit: 20,000 sq ft; front & rear yards 20 ft, side total 30 ft with 10 ft minimum one side. § 16.10.030.
  • Where it applies: Defined by the zoning map; see City zoning map and district listings. Verify parcel zoning with city staff. (Verify with the jurisdiction.)

R-1‑S (Single‑Family Suburban)

  • Purpose / Typical permitted uses: Single‑family dwellings, secondary dwelling units (ADUs), accessory buildings and structures. § 16.14.010.
  • Key dimensional standards: Minimum lot area: 10,000 sq ft; minimum yards: 20 ft front, 20 ft rear, 10 ft side; coverage limits and single‑story coverage specified in § 16.14.030. § 16.14.030.
  • Notes: ADU rules are in Chapter 16.79 (see ADU link). § 16.14.010 and § 16.14.030.

R-2 (Low Density Apartment District)

  • Purpose / Typical permitted uses: Single‑family dwellings, duplexes, 3+ unit projects, accessory buildings. § 16.18.010.
  • Key dimensional standards: Minimum lot area: 7,000 sq ft; minimum land area per unit: 3,500 sq ft; front & rear yards: 20 ft; side yards based on lot width (minimum 5–10 ft). Maximum height: 28 ft. § 16.18.030.

R-3‑A (Garden Apartment Residential)

  • Purpose / Typical permitted uses: Small‑scale multifamily: single family, duplexes, accessory structures; larger multifamily allowed with a use permit. § 16.24.010–020.
  • Key dimensional standards: Min lot area: 10,000 sq ft; front yard 15 ft, rear 10 ft; side yard percentages tied to building height; see § 16.24.030.

R‑L‑U (Retirement Living Units — floating district)

  • Purpose / Typical permitted uses: The floating R‑L‑U district is used for retirement housing; the only permitted use otherwise is accessory structures unless rezoned. § 16.28.005–010.
  • Key dimensional standards: Min lot area: 20,000 sq ft; minimum land area per dwelling unit normally 800 sq ft, with greater density possible by conditional development permit. § 16.28.030.

C‑1 (Administrative & Professional — Restrictive)

  • Purpose / Typical permitted uses: No automatic permitted uses; professional, executive and research uses are allowed as conditional uses (i.e., require a use permit). § 16.30.010–020.
  • Key dimensional standards: Development regs in the chapter; conditional‑use review is common. § 16.30.010–020.

Office (O) District

  • Purpose / Typical permitted uses: Administrative & professional offices, light industrial/R&D up to 250,000 sq ft, hotels in O‑H locations, banks and limited retail/eating establishments (with alcohol excluded in the permitted list). § 16.43.020.
  • Administratively permitted uses (administrative permit): outside storage, child care centers, eating establishments with beer/wine, outdoor seating, hazardous‑materials‑reviewed R&D, diesel generators. § 16.43.030.
  • Conditional uses: larger footprints, hotels in non‑mapped locations, etc. § 16.43.040.

M‑3 (Commercial Business Park)

  • Purpose / Typical permitted uses: Administrative/professional offices (no medical/dental), research & development, light industrial. § 16.47.020.
  • Conditional uses: hotels, restaurants/retail/personal services, child care, public utilities and special uses (require a conditional development permit or use permit). § 16.47.030.
  • Key dimensional standards: Minimum lot area: 3 acres; minimum yards: 20 ft; land cover ≤ 45%, open space ≥ 35%, max FAR generally 0.45 (45%) and max height 45 ft; larger FAR possible via a development agreement. § 16.47.040.

OSC (Open Space & Conservation)

  • Purpose / Typical permitted uses: Very limited—accessory structures only as a permitted use; a range of recreation, agricultural and conservation uses may be allowed as conditional uses. § 16.48.030–040.
  • Development limits: total gross floor area is strictly capped (e.g., 2.5% of lot area except as specified by use permit). § 16.48.050.

FP (Flood Plain)

  • Purpose / Typical permitted uses: Limited (agricultural, accessory buildings, dredging, seawater extraction). § 16.50.010.
  • Conditional uses: certain recreation facilities, landfills, kennels (use permit required). § 16.50.020.

P (Parking), P‑F (Public Facilities), X (Conditional Development), SP (Specific Plan)

  • P: Permitted use is landscaped off‑street parking lots. § 16.52.010.
  • P‑F: For public/government facilities; permitted uses include government facilities and some school district facilities; conditional uses are other uses of those properties. § 16.49.020–030.
  • X: Combining/conditional development district — no permitted uses on its own; it carries the uses of the underlying district and custom development regulations in the permit. § 16.56.010–030.
  • SP‑ECR/D: El Camino Real/Downtown specific plan — mixed‑use, urban design and public space focus; consult § 16.58.010 and the specific plan chapter for use lists and standards. § 16.58.010.

Quick reference table — common decision‑relevant standards

District Typical permitted uses (short) Key dimensional standards (decision‑relevant) Code Reference
R-E Single‑family, ADUs, accessory Min lot: 20,000 sq ft; front/rear 20 ft; side total 30 ft § 16.10.010 / § 16.10.030
R-1‑S Single‑family, ADUs, accessory Min lot: 10,000 sq ft; front 20 ft; side 10 ft § 16.14.010 / § 16.14.030
R-2 Single family, duplex, 3+ units Min lot: 7,000 sq ft; land per unit 3,500 sq ft; max height 28 ft § 16.18.010 / § 16.18.030
Office (O) Admin/professional offices, limited retail/eating; R&D Use size limits (≤250,000 sq ft) and admin use permit for some operations § 16.43.020–030
M-3 Offices, R&D, light industrial Min lot: 3 acres; land cover ≤45%; FAR ≤0.45 (45%); height 45 ft § 16.47.020–040
OSC Accessory structures only (permitted) Gross floor area ≤ 2.5% of lot area (unless use permit) § 16.48.030–050
FP Agricultural, accessory, dredging Few dev regs; gross building area cap ≤5,000 sq ft unless use permit § 16.50.010–030

How to read “permitted” vs “conditional” in practice

  • If a use is listed as permitted in the district chapter, you can proceed subject to development standards and any administrative review; see the district’s Permitted uses clause (e.g., § 16.14.010 for R‑1‑S).
  • If a use is listed as conditional, you must obtain a use permit or conditional development permit (per the ordinance’s permit chapters). See the definition § 16.04.210 and the conditional‑use lists in each district (for example § 16.18.020 for R‑2 conditional uses).
  • Some districts (like C‑1) deliberately have no permitted uses and rely on conditional approvals to control the mix of activity. § 16.30.010–020.

Checklist (what an applicant must satisfy)

  • Confirm subject parcel zoning and exact district boundaries (verify with the jurisdiction). See district chapters (e.g., § 16.14.010, § 16.18.010).
  • Confirm whether the proposed use is permitted, administratively permitted, or conditional in that district (check the district’s Permitted / Conditional uses clauses). Example: § 16.47.020–030 for M‑3.
  • Meet the district development standards for lot area, yards, coverage, FAR and height; consult the chapter’s development regulations (e.g., § 16.18.030 for R‑2).
  • Satisfy the city’s parking standards (see parking) and any off‑street parking rules referenced in the district chapter.
  • If a discretionary permit is required (use permit / conditional development permit), prepare findings and public noticing materials per the municipal procedures (see chapters referenced in district sections). See § 16.04.210 and district conditional use lists.
  • Check overlay or specific plan constraints (e.g., SP‑ECR/D) via the overlay districts and specific plan chapters.
  • For ADUs, follow Chapter 16.79 and the ADU rules on the city ADU page. See § 16.79.060–080.
  • Confirm if the property contains a nonconforming use/structure and review restrictions on continuation, expansion, or change under § 16.80.010–030.
  • If design review is triggered, follow the design review procedures and standards.

Risks & Ambiguities

Issue Why it matters What to verify
Use classification ambiguous or “similar in nature” The code lets the Planning Commission interpret ambiguous uses; a misclassification delays permitting. § 16.08.050 Ask staff for a zoning interpretation or a written planning commission determination; don’t assume a use fits.
Nonconforming use status Nonconforming uses are limited: cannot be enlarged and may be lost after discontinuance; some commercial uses in residential zones require a conditional permit. § 16.80.020 Verify historic use, prior permits, and whether recent inactivity triggers loss of rights.
Overlay / Specific Plan controls Overlays (X, SP, historic districts) can add or override use/height/FAR rules. § 16.56.020 and § 16.58.010 Check overlay district maps and the specific plan chapters; confirm whether the parcel sits in SP‑ECR/D or an X combining district.
ADU parking and exemptions ADU parking is sometimes waived (e.g., near transit or in historic districts); ADU standards override some local development standards but must still meet Chapter 16.79. § 16.79.080 Confirm ADU parking exceptions apply to the parcel; consult the ADU chapter and state ADU law as needed.

Plain‑English summary

Menlo Park’s Title 16 lists exactly what each zoning district allows: many residential zones allow single‑family homes (and ADUs) by right, while commercial and office districts list permitted vs conditional uses and include lot, yard, height and FAR limits that must be met or modified through a conditional development/use permit — check the district’s specific § for the authoritative list (for example § 16.14.010 for R‑1‑S, § 16.47.020 for M‑3).

Source References

  • Menlo Park Municipal Code, Title 16 (Zoning) — downloaded from Menlo Park code repository: https://ecode360.com/ME4536. (Search excerpts used throughout.)
  • Specific district citations used in this page:
    • § 16.10.010 / § 16.10.030 (R‑E district)
    • § 16.14.010 / § 16.14.030 (R‑1‑S district)
    • § 16.18.010 / § 16.18.030 (R‑2 district)
    • § 16.24.010–030 (R‑3‑A district)
    • § 16.28.005–030 (R‑L‑U district)
    • § 16.30.010–020 (C‑1)
    • § 16.43.020–040 (Office district)
    • § 16.47.010–040 (M‑3 Commercial Business Park)
    • § 16.48.030–050 (OSC Open Space & Conservation)
    • § 16.50.010–030 (FP Flood Plain)
    • § 16.52.010 (P Parking district)
    • § 16.56.010–030 (X Conditional Development district)
    • § 16.58.010 (SP‑ECR/D specific plan)
    • § 16.04.210 (definition of conditional use)
    • § 16.79.060–080 (Accessory Dwelling Units)
    • § 16.80.010–030 (Nonconforming uses & structures)

(If you need the full text of any cited §, I can paste the text excerpt and point to the exact ordinance page for that section. Verify parcel‑specific interpretations with city planning staff.)

Sources

Retrieved passages

  • Menlo Park Zoning Code (§ 2) High relevance
  • Menlo Park Zoning Code (§ 3) High relevance
  • Menlo Park Zoning Code (Section 53094) High relevance
  • Menlo Park Zoning Code (§ 5) High relevance
  • Menlo Park Zoning Code (§ 4) High relevance
  • Menlo Park Zoning Code (§ 3) High relevance
  • Menlo Park Zoning Code (§ 2) High relevance
  • Menlo Park Zoning Code (§ 6) High relevance

Cited sections

Frequently asked questions

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

You may build a single‑family dwelling, a secondary dwelling unit (ADU) and accessory structures as permitted uses; dimensional rules (minimum lot area, setbacks, coverage) are in § 16.14.010 and § 16.14.030. Verify parcel zoning and ADU specifics under Chapter 16.79.

What are Menlo Park setback requirements for typical single‑family zones?

Setbacks are specified in each district’s development regulations. Example: R‑1‑S front and rear yards are 20 ft, side yards 10 ft (see § 16.14.030) and R‑E front/rear 20 ft, side total 30 ft (see § 16.10.030). Always confirm with the exact district § for the parcel.

Do I need a use permit for commercial activity in a residential zone?

Yes—many commercial uses in residential districts are allowed only as conditional uses, requiring a use permit; the ordinance defines conditional use rules at § 16.04.210 and lists conditional uses in each district (for example § 16.18.020 for R‑2).

Where are the Menlo Park office and R&D rules and limits?

Office and R&D uses and thresholds are in the Office district chapter: permitted office/R&D up to 250,000 sq ft, specific admin permits for some uses, and conditional uses for larger developments — see § 16.43.020–040.

How does Menlo Park regulate business parks (M‑3)?

The M‑3 district allows administrative/professional offices, R&D and light industrial as permitted uses; conditional uses include hotels, restaurants and retail. Key limits: min lot 3 acres, land cover ≤45%, open space ≥35%, FAR typically ≤0.45, height ≤45 ft. See § 16.47.020–040.

What if my property is in an overlay or specific plan?

Overlay/combine districts like the X combining district or the SP‑ECR/D specific plan impose additional or different rules; the X district carries the underlying district’s uses but applies the custom permit conditions of the combined ordinance (see § 16.56.010–030 and § 16.58.010). Check overlay maps and the specific plan chapter for parcel‑level constraints.

Are accessory dwelling units treated differently in Menlo Park?

ADUs are regulated in Chapter 16.79; the chapter provides ministerial standards and parking exemptions (for example, one off‑street space required unless exemptions apply). See § 16.79.060–080 for size, parking and conversion rules.

How are ambiguous or “similar” uses decided?

If a proposed use isn’t explicitly listed, the Planning Commission interprets whether a use is “similar in nature” and issues a written determination; the ambiguity procedure is in § 16.08.050. Consider getting a formal zoning interpretation to avoid later rework.

What happens to a nonconforming use if it stops operating?

If a nonconforming use discontinues for 90 days, subsequent uses must conform to the current zoning regulations; nonconforming uses cannot generally be expanded without a permit. See § 16.80.020.

Where do I find parking, design review, and development standards?

Menlo Park publishes topic pages for parking, design review, and development standards that implement and complement the ordinance; always cross‑check the district chapter for references to parking or review triggers.

More in Menlo Park code

Ask about any Menlo Park property

Get a cited, plain-English answer on Menlo Park zoning, setbacks, FAR, ADUs and permits — for any address.

Start Free Trial

More Menlo Park zoning topics

Menlo Park Zoning

Menlo Park Development Standards

Menlo Park Parking

Menlo Park Design Review

Menlo Park Overlay Districts

Menlo Park Historic Preservation

Menlo Park Signage

Menlo Park Nonconforming Uses

Menlo Park Variances and Exceptions

Menlo Park Landscaping and Screening

Menlo Park overview