Local zoning · Madera

Madera — Nonconforming Uses

Q: If I stop using a building for my nonconforming business, how long until the nonconforming status is lost?

If the nonconforming use ceases for a continuous period of six months , the nonconforming right is considered abandoned and is lost unless a use permit is approved within an additional six months; see § 10-3.406(B)(4) .

Q: What happens if my nonconforming building is badly damaged or destroyed?

If repair/reconstruction costs after damage do not exceed 75% of the appraised value, you can rebuild and continue the nonconforming use provided work starts within one year and is prosecuted diligently; if costs exceed 75% , the building must be made conforming or restored only with a use permit — see § 10-3.406(D) .

Q: My lot is smaller than the current minimum. Can I still build?

Parcels of land under one ownership and of record on September 15, 1954 may be used as a building site even when smaller than current zone requirements under § 10-3.409 ; for parcels established later, verify with planning staff and check the applicable zone rules § 10-3.409 .

Nonconforming Uses under the Madera local zoning and planning code, with the controlling citations.

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Last reviewed: July 2, 2026

Overview

This page explains how the City of Madera treats nonconforming uses, nonconforming buildings/structures, and nonconforming lots under the local zoning ordinance. The primary rules are codified in § 10-3.406 and related provisions that govern abandonment, repair, reconstruction, and special amortization rules for certain uses; city code text and zone-specific provisions set zone purposes and permitted uses that determine what is “nonconforming.” For where to start with zoning maps and zone definitions, see the city’s Madera Zoning overview.

Warning: this page interprets the Madera Municipal Code; for parcel-specific status, Verify with the jurisdiction.

Key citywide rules (what the ordinance actually says)

The general nonconforming-use rules are in § 10-3.406 . That section governs continuation, expansion by permit, abandonment, maintenance, and reconstruction of nonconforming land uses and buildings.
A nonconforming use that ceases for a continuous period of six months is considered abandoned and the nonconforming right is lost unless a use permit is approved within an additional six months; see § 10-3.406(B)(4) .
Ordinary maintenance is allowed but structural alterations that exceed 15% of the appraised value in any one-year period require a use permit first; see § 10-3.406(C) .
Reconstruction after partial damage is allowed so long as rebuilding costs do not exceed 75% of appraised value; damage over that threshold requires the structure to be made conforming or obtain a use permit; see § 10-3.406(D) .
Some categories have separate rules: nonconforming signs and billboards have their own timing and removal requirements (see § 10-6.20 and the billboard clause in § 10-3.406(H)) .
Historic dates matter: the general “grandfather” base date used in several provisions is September 15, 1954 (and/or the effective date of an applicable amendment) for establishing lawful prior uses; see § 10-3.406(A)–(B) .
There is a specific amortization regime for adult‑oriented businesses: nonconforming adult‑oriented uses may be terminated after five years unless an extension is granted under § 10-7.04 and § 10-7.05 (extension findings and procedures) .
Airport-area nonconforming structures are governed separately; the Airport Zoning Officer can limit rebuilding if abandonment or deterioration occurs (see § 10-5.301) .
A small-lot/building-site exception exists for parcels of record on September 15, 1954 that are smaller than current minimums; see § 10-3.409 .

Because nonconforming rights are defined by what is currently allowed in each zone, the practical effect depends on district rules (permitted uses, setbacks, heights, density). For development standards like setbacks and lot coverage consult Madera Development Standards. For how nonconforming status intersects with onsite improvements, parking rules may matter; consult Madera Parking. If a proposed fix would trigger discretionary review, check the Madera Design Review rules and any Madera Overlay Districts that apply.

District-by-district breakdown

Below are the primary zone categories referenced in the Code and how nonconforming rules commonly interact with each. Each subsection lists the zone purpose, typical permitted uses from the Madera code, key dimensional standards (as stated in the code excerpts), where the zone typically applies in the city, and the critical nonconforming implications.

R (Residential) — subdesignations R(A), R(1), R(2), R(3)

Purpose: Provide for low- to higher-density residential neighborhoods. See § 10-3.503 .
Typical permitted uses: Single-family residences, accessory uses, home occupations, limited institutional uses (some with administrative approval) as described in § 10-3.504 and related subsections .
Key dimensional standards (examples in code): densities set by subdesignation — R(A) = 1 unit / 12,000 sf, R(1) = 1 / 6,000 sf, R(2) = 1 / 3,000 sf, R(3) = 1 / 1,800 sf (see § 10-3.503) .
Where it applies: city residential neighborhoods; consult official zoning map (Verify with the jurisdiction).
Nonconforming implications: Residential uses lawfully established prior to rezoning may continue under § 10-3.406, but additions/structural changes triggering more than 15% of appraised value or reconstruction over 75% of appraised value have the limits described in § 10-3.406(C)-(D) . ADU work is governed by state ADU law and local ADU rules — see Madera ADUs and verify how nonconforming zoning conditions interact with ADU permitting (state provisions may limit conditioning on curing zoning nonconformance).

C-2 — Heavy Commercial (also referenced as “Commercial”)

Purpose: Accommodate larger commercial uses and services. See use table for C-2 in § 10-3.902 .
Typical permitted uses: Retail, service, building material yards, lumber yards, self‑service car washes, some industrial accessory uses; many uses require a Use Permit as listed in § 10-3.902 .
Key dimensional standards: minimum site area and height rules (see the C-2 subchapter for specifics; e.g., § 10-3.903 and § 10-3.904 reference site area and heights) .
Where it applies: commercial corridors and centers; check the zoning map.
Nonconforming implications: Uses existing but not allowed in other adjacent zones may be grandfathered under § 10-3.406, but specific categories — notably adult-oriented businesses — have an amortization schedule (§ 10-7.04) that could terminate nonconforming operation after 5 years unless extended by the Planning Commission under § 10-7.05 .

IP — Industrial Park / I (Industrial)

Purpose: Support large-scale industrial, manufacturing, research, and distribution uses; IP purpose language in § 10-3.11.502 .
Typical permitted uses: Manufacturing, warehousing, research facilities; accessory sales and employee facilities (see § 10-3.11.503–505) .
Key dimensional/performance standards: minimum lot area (§ 10-3.11.503), height allowances and performance standards (§ 10-3.11.506) .
Where it applies: industrial parks and employment areas.
Nonconforming implications: Nonconforming industrial structures are subject to the general rules in § 10-3.406 and, in airport-adjacent areas, to § 10-5.301 (airport nonconforming rules) .

Neighborhood Commercial (C-N)

Purpose: Serve local neighborhood retail and services; see Neighborhood Commercial chapter § 10-3-9.202–.206 .
Typical permitted uses: Small retailers, personal services, limited restaurants; larger or more intensive uses require a Use Permit as noted in § 10-3-9.203 .
Key dimensional standards: minimum lot area (interior lots 5,000 sf, corner 6,000 sf) and height limits (35 ft) (§ 10-3-9.205–.206) .
Where it applies: neighborhood nodes and mixed-use corridors.
Nonconforming implications: Smaller-lot exceptions and continuation rules apply under § 10-3.409 and § 10-3.406; conversions or intensifications may require a Use Permit under § 10-3.406(B)(2)–(3) .

Quick reference table — most decision-relevant nonconforming standards

Rule / item	What it means in practice	Code Reference
Abandonment period	Nonconforming use ceases 6 months → status lost (extra 6 months possible if use permit filed)	§ 10-3.406(B)(4)
Ordinary maintenance cap	Repairs not changing structure allowed if ≤ 15% of appraised value/year; otherwise need a use permit	§ 10-3.406(C)
Reconstruction after damage	Repair allowed if cost ≤ 75% of appraised value; if >75% must conform or get use permit	§ 10-3.406(D)
Small-lot/building site exception	Parcels of record on Sep 15, 1954 may be used as building sites even if smaller than current minimums	§ 10-3.409
Amortization — adult‑oriented uses	Nonconforming adult‑oriented businesses may be terminated after 5 years unless extended; extension process and findings in code	§ 10-7.04 / § 10-7.05
Airport-area nonconforming	Airport Zoning Officer can limit rebuilding where structure abandoned or >50% torn down	§ 10-5.301

How the rules are applied (practical guidance)

To keep a nonconforming use: document lawful prior use (date, evidence), avoid a continuous cessation of 6 months, and limit repair/alteration spending below 15% of appraised value unless you obtain a Use Permit under § 10-3.406 .
Want an expansion or change of a nonconforming use? You must seek a Use Permit for extensions through a building (or change to an equal or more restricted use) per § 10-3.406(B)(2)–(3) . Site plan review can also be triggered for expansions — see the site plan review applicability in § 10-3.4.0102–.0103 for when building additions or new improvements require review .
If rebuilding after damage: obtain an independent state‑certified appraisal to determine whether reconstruction cost exceeds 75% of appraised value; if it does, you cannot simply rebuild the old nonconforming form without either bringing the building into conformance or receiving a Use Permit (§ 10-3.406(D)) .
For signs and billboards: removal/amortization schedules and special graphics/placement exceptions are in the sign chapter; nonconforming signs may be treated differently (see § 10-6.20) .
For ADUs, recent state law limits how local nonconforming zoning conditions can be used to deny ADU permits — consult Madera ADUs and verify state/local interplay; note state ADU guidance about nonconforming zoning is outside the Madera code and must be reconciled in practice (Verify with the jurisdiction) .

Checklist

Confirm the parcel’s current zoning and permitted uses (see Madera Zoning).
Assemble proof of lawful prior use and the date it became nonconforming (documents, utility bills, permits).
Check whether the use ceased for 6 continuous months (if so, nonconforming right likely lost) — § 10-3.406(B)(4) .
If proposing repairs/alterations, get an appraisal to determine the 15% maintenance threshold and whether a Use Permit is required — § 10-3.406(C) .
If rebuilding after damage, obtain an independent appraisal to test the 75% reconstruction threshold — § 10-3.406(D) .
If the use is an adult‑oriented business, confirm amortization timing and whether you must apply for an extension under § 10-7.04–.05 .
For proposed changes that would increase site improvements, determine whether site plan review or design review is required (see Madera Design Review and § 10-3.4.0102–.0103) .
Confirm whether overlay districts or airport zoning rules apply (see Madera Overlay Districts and § 10-5.301) .
If work involves the building fabric, check the California Building Standards Code and coordinate building permits (verify structural vs. maintenance distinctions) — Verify with the jurisdiction.

Risks & Ambiguities

Issue	Why it matters	What to verify
Exact date that made the use “lawful prior use”	Code uses Sep 15, 1954 as a baseline in several provisions; other amendments use different effective dates	Verify documentary evidence and whether the parcel’s nonconforming status ties to § 10-3.406(A) or a later amendment
Appraised value calculation for 75% reconstruction test	Whether a rebuild is allowed depends on an independent appraisal at time of damage	Obtain a state‑certified independent appraisal and confirm acceptable appraisal method under § 10-3.406(D)
What counts as “ordinary maintenance” vs. an alteration > 15%	Repair vs. alteration determines whether the nonconforming right survives without discretionary review	Ask the City for precedence on what jobs triggered a Use Permit; keep records, and verify under § 10-3.406(C)
Parcel-specific overlay/airport rules	Airport and overlay rules can override nonconforming treatment (e.g., heights, markers)	Check § 10-5.301 and overlay map layers; Verify with the Airport Zoning Officer and planning staff
Interaction with ADU/state law	State ADU rules may limit conditioning on correction of zoning nonconformance	Consult local ADU procedures (Madera ADUs) and state ADU law; Verify with planning staff
Amortization timelines for special uses (adult businesses)	These uses have specific amortization and extension processes	Follow § 10-7.04 and § 10-7.05 for deadlines, filing windows, and required findings

Plain-English Summary

Madera’s zoning code allows lawful uses that became illegal by later code changes to continue in most cases, but the right is limited: stop the use for 6 months and you lose it; do major repairs above 15% of value without a permit or rebuild after catastrophic damage above 75% of value and you’ll generally need to conform or win a Use Permit. Special categories (like adult businesses or airport-area structures) have extra rules and timelines — always verify with the Planning Department. See § 10-3.406 for the main rules .

Source References

§ 10-3.406 NONCONFORMING BUILDINGS AND USES — Madera Municipal Code (general rules: continuation, abandonment, maintenance, reconstruction) .
§ 10-3.409 BUILDING SITE AREA — small-lot exception for parcels of record on Sep 15, 1954 .
§ 10-7.04 AMORTIZATION OF NONCONFORMING ADULT‑ORIENTED BUSINESS USES and § 10-7.05 EXTENSION OF TIME — amortization and extension procedure for adult‑oriented businesses .
§ 10-5.301 NONCONFORMING USES (Airport zoning) — airport-area special rules .
R zone regulations: § 10-3.503 & § 10-3.504 — residential densities and permitted uses (R(A), R(1), R(2), R(3)) .
C-2 zone (Heavy Commercial): § 10-3.902 and related site/height rules § 10-3.903–.904 .
IP zone purpose and uses: § 10-3.11.502–.505, performance standards § 10-3.11.506 (Industrial Park) .
Sign rules / illegal & nonconforming signs: § 10-6.20 (sign chapter) .
Site plan review applicability (when new/expanded uses trigger discretionary review): § 10-3.4.0101–.0103 .
Guidance and state ADU interaction referenced in the local file and state ADU materials (for ADU-specific nonconforming interactions): Madera ADU guidance and state ADU summaries (see local ADU page Madera ADUs and state guidance) .

Sources

Retrieved passages

Madera Zoning Code (chapter shall) High relevance
Madera Zoning Code (§ 10-3.406) High relevance
Madera Zoning Code (§ 290) High relevance
Madera Zoning Code (§ 10-7.04) High relevance
Madera Zoning Code (section shall) High relevance
Madera Zoning Code (§ 10-7.03) High relevance
Madera Zoning Code (§ 10-5.204) High relevance
Madera Zoning Code (§ 10-3.502) Medium relevance

Cited sections

Official Madera code library

Frequently asked questions

What is a nonconforming use in Madera?

A nonconforming use in Madera is a lawful land use, building, or lot that was lawful when established but that does not meet current zoning regulations; the general rules that control how such uses continue, change, or terminate are in § 10-3.406 .

If I stop using a building for my nonconforming business, how long until the nonconforming status is lost?

If the nonconforming use ceases for a continuous period of six months, the nonconforming right is considered abandoned and is lost unless a use permit is approved within an additional six months; see § 10-3.406(B)(4) .

Can I repair or expand a nonconforming building?

You may perform ordinary maintenance and repairs. Structural alterations or repairs that exceed 15% of the appraised value in any one‑year period require a use permit first; expansions of a nonconforming portion through the building require a use permit — see § 10-3.406(C) and § 10-3.406(B)(2) .

What happens if my nonconforming building is badly damaged or destroyed?

If repair/reconstruction costs after damage do not exceed 75% of the appraised value, you can rebuild and continue the nonconforming use provided work starts within one year and is prosecuted diligently; if costs exceed 75%, the building must be made conforming or restored only with a use permit — see § 10-3.406(D) .

Are there special rules for nonconforming adult‑oriented businesses?

Yes. The code contains an amortization rule: nonconforming adult‑oriented businesses may be terminated after five years unless an extension is approved; the processes and extension findings are in § 10-7.04 and § 10-7.05 .

My lot is smaller than the current minimum. Can I still build?

Parcels of land under one ownership and of record on September 15, 1954 may be used as a building site even when smaller than current zone requirements under § 10-3.409; for parcels established later, verify with planning staff and check the applicable zone rules § 10-3.409 .

Does airport proximity change how nonconforming structures are treated?

Yes. Airport zoning has its own nonconforming provisions — the Airport Zoning Officer may require markers/lights and can prevent rebuilding where a nonconforming structure has been abandoned or more than 50% torn down; see § 10-5.301 .

If I want to turn a nonconforming commercial use into housing, what should I check first?

Check whether the proposed use is “of the same or more restricted nature” (allowed with a Use Permit per § 10-3.406(B)(3)), confirm site plan review triggers (see § 10-3.4.0102–.0103), and verify required development standards (setbacks, parking) with Madera Development Standards and Madera Parking — Verify with the Planning Department .

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