Yountville — Nonconforming Uses

Last reviewed: July 3, 2026

Overview

Yountville treats nonconforming uses, buildings, lots and signs as temporary legal exceptions that may be continued but are limited so the town can phase them out or bring them into compliance over time. The controlling rules live in Chapter 17.232 (Legal nonconforming uses, buildings, signs and substandard parcels) and the code definition of nonconforming use in § 17.236.010; those provisions set the baseline rules on abandonment, alteration, enlargement and reconstruction.

Note: where development rules intersect with nonconforming changes you will commonly run into Yountville’s Yountville Development Standards, Yountville Parking, and Yountville Design Review processes.

What the ordinance actually says (plain-English synthesis tied to the code)

• The purpose of the nonconforming chapter is to limit and eventually eliminate nonconformities while allowing continued use and maintenance where already lawful. See § 17.232.010 for purpose and application.
• A use that was lawful when Title 17 took effect but no longer meets the current use table is a legal nonconforming use and generally may continue, subject to the restrictions listed in § 17.232.030.
• If a legal nonconforming commercial or industrial use is discontinued for 12 continuous months, the nonconforming status is lost and any new use must conform to current district rules; the Town Council may extend the 12‑month period for good cause. See § 17.232.020 B.1–3.
• Structural changes, enlargement, relocation, or other actions that increase the degree of nonconformity are restricted: structural alteration or enlargement of a nonconforming building generally requires a use permit; additions must comply with applicable Title 17 provisions; reconstruction after destruction is allowed only within one year unless extended by Town Council. See § 17.232.020 C.1–6 and § 17.232.030 D.
• Nonconforming signs have special rules: they may not be relocated or redimensioned unless brought into conformance and permitted; text/color changes that move a sign closer to conformity may be approved by the Planning Officer. See § 17.232.020 D and Chapter 17.152 (Signs).

Where the code uses district-specific development standards (setbacks, FAR, height), a nonconforming lot or structure that predates Title 17 may still be occupied, but may not be enlarged in a way that increases the discrepancy with the current standards. See § 17.232.020 A.1–2 and the district tables (e.g., § 17.20.050, § 17.24.050, § 17.28.050, § 17.60.070).

District-by-district (purpose, typical permitted uses, key dimensional standards, where it applies)

The nonconforming rules in Chapter 17.232 apply townwide, but the practical effect depends on the base district standards below. Each district heading names the Yountville district abbreviation used in the code and highlights the code sections you must check when evaluating a nonconforming situation.

RS (Single‑Family Residential) — § 17.20.030 / § 17.20.050

• Purpose: residential neighborhood preservation; applies to single‑family parcels identified on the Zoning Map.
• Typical permitted uses: single‑family dwelling, Accessory Dwelling Units (ADUs), duplexes (limited), minor/major home occupations as permitted by chapters referenced in the district. See § 17.20.030.
• Key dimensional standards: minimum lot sizes, front setback 20 ft, side 5 ft, rear 20 ft, FAR and height caps are in Table 17.20‑1 / § 17.20.050. Nonconforming buildings on undersized lots may continue but may not be altered to increase the discrepancy.
• Where it applies: parcels designated RS on the Yountville Zoning Map. Verify parcel designation with staff. Verify compatibility with Yountville ADUs rules for accessory units.

RM (Mixed Residential) — § 17.24.030 / § 17.24.050

• Purpose: permit a mix of residential types at higher densities. See § 17.24.050 for development standards.
• Typical permitted uses: multifamily housing, duplexes, single‑family (subject to density rules), accessory residential uses.
• Key dimensional standards: density floors/ceilings, minimum lot sizes per housing type, FAR limits are in Table 17.24‑1 and § 17.24.050. Nonconforming structures that predate the code may be maintained but enlargements that increase nonconformity require a use permit.

H (Old Town Historic) — § 17.28.030 / § 17.28.050

• Purpose: maintain Old Town fabric and scale; rules emphasize small‑scale residential and compatible uses. See § 17.28.030 for permitted uses.
• Typical permitted uses: single‑family dwelling, ADUs, duplex, residential auxiliary structures, limited home occupations.
• Key dimensional standards: district‑specific Table 17.28‑1 sets lot size, FAR and setbacks; nonconforming buildings in H may be repaired but enlargements are limited and require review.
• Where it applies: the Old Town Historic (H) district as shown on the Zoning Map.

OTC (Old Town Commercial) — § 17.60.050 / § 17.60.070

• Purpose: pedestrian‑oriented commercial frontage along Washington Street and nearby blocks. See § 17.60.050.
• Typical permitted uses: retail, restaurants (with location limits), wine‑tasting rooms, professional services, mixed‑use development.
• Key dimensional standards: front setbacks vary by building height (10–20 ft); maximum FAR typical 0.25 with bonuses; height limits and lot size caps in Table 17.60‑1 / § 17.60.070. Nonconforming commercial uses that predate the ordinance may continue; see the 12‑month abandonment rule and the use‑permit requirement for structural changes.

PC, RSC, MU (Primary Commercial, Residential‑Scaled Commercial, Mixed‑Use Overlay) and other districts

• Purpose & uses: see the code’s Use Table and district chapters; the legend in § 17.12.010 lists district abbreviations and the Use Table (Table 17.12‑1) summarizes which uses are permitted, conditional (UP) or administrative (AP).
• Overlays: the MU and other overlays are listed in § 17.08.060; overlay rules can modify allowed uses and development standards and therefore affect the treatment of any nonconforming condition. Consult § 17.08.060 and the overlay chapter (for example Chapter 17.96 for MU) for specifics.

PP (Parks & Playfields) — § 17.44.030 / § 17.44.050

• Purpose: public parks and outdoor recreation. Uses established under a Master Development Plan are considered legal nonconforming if they were lawful at construction; see § 17.44.030 and the general nonconforming rules in Chapter 17.232.

Quick reference table — Decision‑relevant nonconforming rules

Checklist (what an applicant must satisfy / prepare)

• Confirm the parcel’s zoning district and any overlay designation (verify on the Zoning Map). See § 17.12.010 and § 17.08.060.
• Demonstrate the use or building was lawfully established before the controlling Title 17 effective date (provide permits, leases, tax records, photographs). Reference: definition of nonconforming use (§ 17.236.010) and permission to continue in § 17.232.030.
• If proposing structural change, enlargement or a new nonconforming use category: prepare a Use Permit application (Chapter 17.200) and show conformance to applicable development standards and design review standards where required. See § 17.232.020 C and § 17.200 (Use Permits).
• For sign changes, submit a sign permit per Chapter 17.152 and note the limitations on redimensioning/relocation for nonconforming signs.
• If the use has been inactive, assemble continuous-occupancy evidence (avoid 12+ months gap for commercial/industrial uses) or seek Town Council extension. See § 17.232.020 B.
• Coordinate with Yountville Parking and Yountville Development Standards if the proposed action affects parking, setbacks, FAR or other development standards.

Risks & Ambiguities

Plain‑English Summary

If your building or business in Yountville was legal before the current zoning code but no longer matches today's rules, you can usually keep operating—but you cannot enlarge or substantially change the nonconformity without Town approval, and if you stop the activity (for many commercial uses, for 12 months) you generally lose your grandfathered rights. See the nonconforming rules in Chapter 17.232 for the exact limits and the definition in § 17.236.010.

Information Gaps (what I could NOT confirm in the retrieved materials)

• Exact administrative steps, fees, and submittal checklist for a use permit specific to modifying a nonconforming building — Not found in retrieved materials (see Chapter 17.200 generally referenced, but application forms/process details not in provided excerpt).
• Any adopted interpretation guidance or written staff policy defining “structurally altered” vs. routine maintenance — Not found in retrieved materials.
• Specific overlay chapter language for the MU overlay (Chapter 17.96) and any special nonconforming rules within those overlay chapters — overlay list is present but chapter text was not retrieved. See § 17.08.060 for overlay list.

Source References

• Yountville Municipal Code — CHAPTER 17.232. Legal Nonconforming Uses, Buildings, Signs and Substandard Parcels, § 17.232.010–030. (ecode360: https://ecode360.com/YO5040)
• Yountville Municipal Code — § 17.232.020 (General conditions) and § 17.232.030 (Permitted uses). (ecode360: https://ecode360.com/YO5040)
• Yountville Municipal Code — § 17.236.010 (Definitions) — “nonconforming use” definition. (ecode360: https://ecode360.com/YO5040)
• Yountville Municipal Code — District chapters cited in the page: § 17.20.030 / § 17.20.050 (RS), § 17.24.050 (RM), § 17.28.030 / § 17.28.050 (H), § 17.60.050 / § 17.60.070 (OTC), § 17.44.030 / § 17.44.050 (PP).
• Yountville Municipal Code — § 17.12.010 (Use Table legend and guidance; gas station grandfathering note).
• Yountville Municipal Code — § 17.08.060 (Overlay designations).
• Yountville Municipal Code — Compliance & enforcement provisions (Chapter 17.228) relevant to enforcement and stop orders.

Retrieved passages

• Yountville Zoning Code (§ 17.232.020.) High relevance show source text
• Yountville Zoning Code (§ 17.232.020) High relevance show source text
• Yountville Zoning Code (§ 9) High relevance show source text
• CBC § 9 (Chapter 17.200) High relevance show source text
• Yountville Zoning Code (Title 17) High relevance show source text
• Yountville Zoning Code (Chapter 17.236) Medium relevance show source text
• Yountville Zoning Code (title became) Medium relevance show source text
• Yountville Zoning Code (§ 9) Medium relevance show source text

Cited sections

• Yountville Municipal Code — **CHAPTER 17.232. Legal Nonconforming Uses, Buildings, Signs and Substandard Parcels**, **§ 17.232.010–030**. (ecode360: ) (CHAPTER 17.232.)
• Yountville Municipal Code — District chapters cited in the page: **§ 17.20.030 / § 17.20.050 (RS)**, **§ 17.24.050 (RM)**, **§ 17.28.030 / § 17.28.050 (H)**, **§ 17.60.050 / § 17.60.070 (OTC)**, **§ 17.44.030 / § 17.44.050 (PP)**. (§ 17.20.030)
• Yountville Municipal Code — **§ 17.12.010** (Use Table legend and guidance; gas station grandfathering note). (§ 17.12.010)
• Yountville Municipal Code — **§ 17.08.060** (Overlay designations). (§ 17.08.060)
• Yountville Municipal Code — Compliance & enforcement provisions (Chapter **17.228**) relevant to enforcement and stop orders.
• Yountville_ZoningCode.md

• Official Yountville code library