Local zoning · Montague

Montague — Development Standards

Q: What can I build on an R-1 lot in Montague?

A single-family home is permitted by right, with ADUs/JADUs allowed under Chapter 17.30. Some civic uses and even small multi‑unit (duplex/triplex/fourplex at R‑2 densities) may be approved with a use permit. Minimum lot size is 7,500 sq ft; check Table 17.16.020 for setbacks/height. § 17.16.030(D); § 17.16.020.

Q: What are Montague’s setback and height rules?

They’re set by district in an incorporated standards table (Table 17.16.020). Because the table isn’t included in the retrieved text, confirm exact numbers with the City. Citywide exceptions include yard encroachments, accessory building placement, and pool setbacks. § 17.16.020; § 17.32.120–§ 17.32.160.

Q: Do I need design review in Montague?

If you’re in a Commercial (C‑1/C‑2) or Manufacturing (M) district, architectural/design review is required before permits—submittals must include elevations and site/landscape plans. § 17.32.220–§ 17.32.240.

Q: How do ADU rules change my setbacks and height?

ADUs can be as close as 4 ft to side/rear lines (for 1‑story units) and up to 17 ft (1‑story detached) or 25 ft (2‑story detached). ADUs don’t count toward lot coverage, and parking is capped at one space with multiple exemptions. Chapter 17.30; § 17.30.040 (JADUs).

Q: I have a small, legal lot. Can I still build?

Yes—single-family homes may be allowed on legally created substandard R‑district lots, and side yards can go down to 10% of lot width (but not below 4 ft). § 17.32.180–§ 17.32.190.

Q: Can I exceed the normal height limit for a school or church?

Public and semi‑public buildings in districts with height limits under 75 ft may go up to 75 ft if you increase all yards one foot for every foot over the district height. § 17.32.090.

Q: How does the Airport Overlay affect my project?

Within mapped approach/transitional/horizontal/conical zones, structures/trees cannot penetrate FAA Part 77 height surfaces, and certain glare/visibility/communication hazards are restricted. Overlay rules trump base district height. § 17.24.050; § 17.24.060; § 17.24.110.

Q: What fence heights are allowed along commercial or industrial sites?

In C‑2 and M zones, security fences over 6 ft (plus up to 2 ft of barbed wire) on the rear half of a lot may be approved after inspection and via a use permit. § 17.32.110(D).

Development Standards under the Montague local zoning and planning code, with the controlling citations.

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Last reviewed: July 6, 2026

Overview

This page distills how Montague’s zoning ordinance (Title 17) sets the measurable rules that shape projects: what you can build, where on the lot, and how tall or dense it can be. Montague organizes these rules by base districts in Chapter 17.16, with citywide “General Use Restrictions” in Chapter 17.32 and special overlay controls (notably, an Airport Overlay in Chapter 17.24). For residential infill, the city also implements an ADU/JADU chapter with specific height, setback, and processing standards.

The single controlling table of base dimensional rules (setbacks, height, lot coverage, etc.) is incorporated by reference as Table 17.16.020; ask the city for the current table before you design.

How Montague organizes “development standards”

Base districts and uses: Chapter 17.16 defines the districts and lists permitted uses; the numeric “how big/where” rules are in the attached Table 17.16.020.
Citywide development standards and exceptions (apply in all districts unless noted): setbacks encroachments, accessory building placement, pool setbacks, substandard-lot relief, over‑height allowances, and C/M “architectural review.”
Overlays and special zones: the Airport Overlay imposes FAA Part 77 height surfaces in mapped approach/transitional/horizontal/conical zones; these can override base height allowances.
ADUs/JADUs: Chapter 17.30 sets local ADU/JADU siting, height and setback allowances across residential and certain commercial/industrial districts.

District-by-district development standards and use context

The ordinance spells out typical uses per district; the measurable standards come from Table 17.16.020 (incorporated by reference). Where numeric values are not stated below, see “Information Gaps.”

R-1 Single-Family Residential

Purpose and uses: single-family dwellings by right; small farmworker/supportive/transitional housing and small group homes; ADUs/JADUs per Chapter 17.30. Some civic uses and small multi-unit buildings may be allowed with a use permit (duplex/triplex/fourplex at R‑2 densities) and may be subject to design review where applicable.
Key dimensional standards: Minimum lot size is 7,500 sq ft; base setbacks/height/coverage are in Table 17.16.020. Not found in retrieved materials for numeric setbacks/height/coverage. Verify with the jurisdiction. § 17.16.030(D); § 17.16.020.
Where it applies: See the official Zoning Map on file with the City Clerk; all use must conform to mapped district boundaries. § 17.12.030.

R-1A Expanded Single-Family Residential

Purpose and uses: similar to R‑1 but mapped to larger-lot areas; single-family by right; ADUs/JADUs; comparable civic and related uses with a use permit. § 17.16.040.
Key dimensional standards: Base setbacks/height/coverage in Table 17.16.020. Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

R-2 Medium-Density Residential

Purpose and uses: all R‑1 by-right uses plus duplex and triplex (with architectural review as defined in the General Plan); R‑1 uses requiring a use permit also need a use permit here. § 17.16.050.
Key dimensional standards: Table 17.16.020 controls setbacks/height/coverage; values Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

R-3 High-Density Residential

Purpose and uses: all R‑1 and R‑2 by-right uses; duplex/triplex; up to four dwelling units per lot by right (with architectural review); SROs up to six units; emergency shelters by right; larger multifamily and several quasi‑residential uses by use permit. § 17.16.060.
Key dimensional standards: Table 17.16.020 governs; values Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

RAG-2½ Residential-Agricultural

Purpose and uses: single-family dwellings and agricultural uses by right; ADUs/JADUs allowed; large employee housing by use permit. § 17.16.080.
Key dimensional standards: Table 17.16.020 governs; values Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

C-1 Commercial

Purpose and uses: in-building retail and personal services by right; some outdoor or automotive uses by use permit; residential and hotel/motel uses may be allowed per residential standards via use permit; ADUs allowed. § 17.16.090.
Key dimensional standards: Table 17.16.020 governs; values Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

C-2 General Commercial

Purpose and uses: all C‑1 uses plus heavier commercial uses; some outdoor storage/sales and certain residential or lodging uses may be allowed with a use permit. § 17.16.100.
Key dimensional standards: Table 17.16.020 governs; values Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

M Manufacturing

Purpose and uses: wide range of light and heavy industrial/manufacturing by right if no appreciable nuisance; some higher‑impact industrial uses and certain retail/residential as accessory uses only with a use permit; ADUs allowed. § 17.16.110.
Key dimensional standards: Table 17.16.020 governs; values Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

MH Mobile Home Overlay

Overlay use: mobile home parks allowed where overlaid; ADUs/JADUs allowed. § 17.16.070.
Standards: Base zoning still applies; consult Table 17.16.020 for setbacks/height/coverage. Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.

Airport Overlay (Height and Use)

Scope: mapped approach, transitional, horizontal, conical zones around Montague Airport (per FAA Part 77). § 17.24.040; § 17.24.050.
Standards: structures/trees may not exceed the overlay’s height surfaces; uses that create glare, visual confusion, or radio interference are restricted; more stringent rule governs if conflicts arise. § 17.24.050; § 17.24.060; § 17.24.110.

Citywide development standards and common exceptions

Projections into yards: eaves/canopies may extend up to 5 ft into required front/rear yards; minimum 5 ft clearance to side lines; open porches/stairs have narrower allowances. § 17.32.120; § 17.32.130.
Accessory buildings in R districts: must sit on the rear half of the lot; maintain at least 10 ft to any dwelling on same/adjacent lot; min 5 ft to alley/side line; special rule for corner lots. § 17.32.150.
Pools in R districts: locate on rear half or 50 ft from the front line (whichever is less); min 5 ft to rear/side lines; coverage of a pool doesn’t count toward lot coverage. § 17.32.160.
Substandard residential lots: single-family may be allowed on legally created substandard parcels; side yards may be reduced to 10% of lot width (but not <4 ft). § 17.32.180; § 17.32.190.
Block‑face averaging (R‑E and R‑1): if four or more lots on a block are improved, the minimum front setback may equal the average of those improved lots, if that average is less than the district standard. § 17.32.170.
Over‑height allowances: public/semi‑public buildings may go up to 75 ft if yards are increased 1:1 for the excess height; in C or M districts, buildings may exceed district height with a use permit if cubic volume is not increased beyond what fits under the normal height. § 17.32.090; § 17.32.100.
Architectural review in C/M: submittal of elevations and site/landscape plans is required; planning commission approval is needed before permits are issued. § 17.32.220–§ 17.32.240.
Fences/walls: detailed siting/height limits citywide; within C‑2 and M, security fencing over 6 ft (plus up to 2 ft barbed wire) on rear half may be allowed with inspections and a use permit. § 17.32.110(D).

ADUs and JADUs (citywide allowances that interact with base standards)

Where allowed: ADUs are allowed in residential zones and as listed in C‑1/C‑2/M; they follow district rules except where Chapter 17.30 provides specific allowances. § 17.16.090; § 17.16.100; § 17.16.110; Chapter 17.30.
Dimensional highlights: one‑story detached ADU height max 17 ft; detached two‑story up to 25 ft; side/rear setbacks for 1‑story ADUs not less than 4 ft; ADU floor area up to 1,000 sq ft on ≥10,000 sq ft lots and 850–1,000 sq ft otherwise. ADU lot coverage is not counted toward maximum lot coverage. § 17.30; § 17.30.040 (JADUs).
Parking: maximum of one space per ADU (or per bedroom, whichever is less) with multiple exemptions, and tandem/within setback placement can be allowed. § 17.30.
Process: JADU permits must be issued within 60 days if criteria are met. § 17.30.040(I).
State preemption note: Some ADU limits (minimum 800 sq ft, 4‑ft side/rear setbacks, certain height thresholds) are state‑mandated; see California ADU law and the 2025 ADU Handbook summary. Not a local standard, but it constrains local rules.

Quick reference table — frequently used development standards and where to find them

Topic	Core standard or allowance	Code Reference
Base setbacks/height/coverage by district	Established by Table 17.16.020 (incorporated by reference)	§ 17.16.020
R-1 minimum lot size	7,500 sq ft minimum lot area	§ 17.16.030(D)
Yards: eaves/canopies	Up to 5 ft into required front/rear; maintain 5 ft from side lot line	§ 17.32.120
Accessory buildings (R districts)	Rear half of lot; 10 ft to any dwelling; 5 ft to alley/side	§ 17.32.150
Pools (R districts)	Rear half or ≥50 ft from front; ≥5 ft to side/rear; pool not counted toward lot coverage	§ 17.32.160
Substandard lots	SFD allowed on legal substandard lots; side yards may reduce to 10% lot width, min 4 ft	§ 17.32.180–§ 17.32.190
Block‑face front setback averaging	In R‑E & R‑1, front setback may equal average of 4+ improved lots	§ 17.32.170
Over-height public/semi‑public bldgs	Up to 75 ft with yard increases equal to excess height	§ 17.32.090
Over-height in C or M	Allowed by use permit if building volume not increased	§ 17.32.100
Architectural review in C/M	Required elevations/site and landscape plans; approval before permit	§ 17.32.220–§ 17.32.240
ADU height	1‑story detached: 17 ft; 2‑story detached: 25 ft	§ 17.30 (ADUs)
ADU setbacks	Side/rear not less than 4 ft (1‑story); special rules for conversions/over-garage	§ 17.30 (ADUs)
ADU lot coverage	ADUs do not count toward maximum lot coverage	§ 17.30 (ADUs)
Airport height surfaces	Must comply with FAA Part 77 mapped surfaces	§ 17.24.040–§ 17.24.060

Practical notes

Dimensional “nuts and bolts” (setbacks, height, coverage) differ by district and are centralized in the incorporated Table 17.16.020. Until you have that table, assume nothing—especially on corner lots or in mapped overlays. § 17.16.020; § 17.12.030.
In commercial and manufacturing zones, be prepared for design review of elevations and site/landscape plans. § 17.32.220–§ 17.32.240.
ADUs frequently “override” tight setbacks or lot coverage concerns; coordinate your base‑district rules with Chapter 17.30 and applicable state protections under California ADU law. § 17.30.
Airport overlay height (Part 77) can constrain projects far beyond normal zoning height limits; check early. § 17.24.050.
Signs often need a permit in commercial districts and for specific uses; see C‑1/C‑2 provisions and the city’s signage requirements. § 17.16.090(C)(1); § 17.16.100(C)(1).

Checklist

Confirm base zoning on the official map and find the district’s numeric standards in Table 17.16.020. § 17.12.030; § 17.16.020.
Screen for overlays, especially the Airport Overlay height surfaces. § 17.24.040–§ 17.24.060.
Apply citywide rules: yard encroachments, accessory building placement, pool setbacks, substandard‑lot relief. § 17.32.120–§ 17.32.210.
If in C or M, prepare architectural (design) review submittals. § 17.32.220–§ 17.32.240.
For ADUs/JADUs, align plans with Chapter 17.30 (height, setbacks, parking, processing). § 17.30; § 17.30.040.
Verify parking needs for your use; apply ADU parking caps/exemptions where relevant. § 17.30.
If you need relief, explore a variance or a use permit under Chapter 17.36. § 17.36.010–§ 17.36.090.

Risks & Ambiguities

Issue	Why it matters	What to verify
Missing numeric setback/height/coverage per district	Table 17.16.020 is incorporated by reference but not reproduced in the retrieved materials	Request the current Table 17.16.020 from the City; don’t assume typical setbacks. § 17.16.020.
Overlay conflicts (Airport vs. base zoning)	Airport height surfaces can further limit building height	Map extent and controlling surface elevation for your site. § 17.24.040–§ 17.24.050.
Substandard lots and reduced side yards	Relief is possible but limited (min 4 ft sides)	Confirm legal lot status/date and apply § 17.32.180–§ 17.32.190 correctly.
Design review triggers in C/M	Adds time, drawings, and potential conditions	Whether your project falls in C/M and what the planning commission expects. § 17.32.220–§ 17.32.240.
ADU standards vs. base zoning	ADU allowances on height/setbacks/coverage can supersede base rules	Confirm Chapter 17.30 provisions and applicable state protections. § 17.30; see Montague ADUs.
Parking requirements outside ADUs	Citywide parking schedule not found in retrieved Title 17 excerpts	Not found in retrieved materials; coordinate with the City for non‑ADU parking standards.
FAR and maximum lot coverage by district	Crucial for massing; not visible in retrieved text	Not found in retrieved materials; confirm via Table 17.16.020 or City staff. § 17.16.020.

Plain-English Summary

Montague’s zoning tells you what you can build (per district) and a separate table sets the numbers for setbacks, height, and coverage. On top of that, general rules handle yard encroachments, accessory buildings, pools, and special cases like substandard lots, while the Airport Overlay can cap height. ADUs get their own citywide allowances on height, setbacks, and parking. Start by pulling your district’s standards table and checking overlays; then layer in ADU or design‑review rules as needed. See the Montague Zoning and Montague zoning & planning overview pages for context.

Information Gaps

Numeric district standards (front/side/rear setbacks; maximum building height; lot coverage; any FAR) referenced in Table 17.16.020 — Not found in retrieved materials. Verify with the jurisdiction. § 17.16.020.
A consolidated off‑street parking schedule outside of ADUs — Not found in retrieved materials.
District‑specific design/landscaping requirements beyond C/M architectural review — Not found in retrieved materials.

Source References

Districts designated and zoning map administration: § 17.12.010; § 17.12.030.
District regulations and incorporated standards table: § 17.16.010–§ 17.16.020; R‑1 through M and MH: § 17.16.030–§ 17.16.110.
General Use Restrictions (citywide development standards): § 17.32.070–§ 17.32.240.
ADUs and JADUs: Chapter 17.30; § 17.30.040 (JADU criteria).
Airport Overlay (height and use restrictions): § 17.24.040–§ 17.24.110.
Residential Density Bonuses: Chapter 17.58 (esp. § 17.58.020).
Use Permits and Variances: Chapter 17.36.

Also see internal topic pages for cross‑references: Montague Land Use, Montague Parking, Montague Design Review, Montague Overlay Districts, Montague ADUs, and if needed, the California Building Standards Code and California ADU law.

Sources

Retrieved passages

Montague Zoning Code (§ 1) High relevance
Montague Zoning Code (Title 17) High relevance
Montague Zoning Code (Section 17.32.180) High relevance
CBC § 2021 (Title 17) High relevance
Montague Zoning Code (§ 5.12) High relevance
Montague Zoning Code (Title 17) High relevance
Montague Zoning Code (Title 17) High relevance
Montague Zoning Code (Title 17) High relevance
Montague Zoning Code (Title 17) Medium relevance
Montague Zoning Code (§ 5.16) Medium relevance
Montague Zoning Code (Title 17) Medium relevance
Montague Zoning Code (§ 17.16.010) Medium relevance
Montague Zoning Code (Chapter 12.02) Medium relevance
Montague Zoning Code (Title 17) Medium relevance

Cited sections

Districts designated and zoning map administration: § 17.12.010; § 17.12.030. (§ 17.12.010)
District regulations and incorporated standards table: § 17.16.010–§ 17.16.020; R‑1 through M and MH: § 17.16.030–§ 17.16.110. (§ 17.16.010)
General Use Restrictions (citywide development standards): § 17.32.070–§ 17.32.240. (§ 17.32.070)
ADUs and JADUs: Chapter 17.30; § 17.30.040 (JADU criteria). (Chapter 17.30)
Airport Overlay (height and use restrictions): § 17.24.040–§ 17.24.110. (§ 17.24.040)
Residential Density Bonuses: Chapter 17.58 (esp. § 17.58.020). (Chapter 17.58)
Use Permits and Variances: Chapter 17.36. (Chapter 17.36.)
Montague_ZoningCode.md
2025 California ADU handbook.md

Frequently asked questions

What can I build on an R-1 lot in Montague?