Cottage food laws in Washtenaw County, MI
Washtenaw County, Michigan — zoning, permits, health department links, and free PDF reports for home bakers (2026).
Washtenaw County is a county in Michigan (pop. 370,231). Under Michigan's Great-tier cottage food law (sales cap: 50000), home bakers must still clear local zoning and health rules in this county. Registration path: No. Start with Michigan Department of Agriculture and Rural Development (state cottage food page linked below), then confirm Washtenaw County health and planning requirements. Local notes for Washtenaw County: home kitchen restricted; inspection not required; home occupation permit not required. Michigan cottage food law (MCL §289.4102) confirmed from state baseline. 2025 amendment (HB 4122) raised cap to $50,000, allowed online/mail/third-party delivery. Washtenaw County includes University of Michigan community — active farmers market and food entrepreneurship culture. No state registration. Download the free PDF reports below for a portable summary, and always re-check official sources before you sell.
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Washtenaw County cottage food reports
Full statute, all counties in Michigan, and authoritative source URLs.
State PDF
Zoning, permits, health department rules, and local sources for Washtenaw County.
County PDFTier: Great
Michigan's cottage food law is permissive (Great tier) — high or no sales cap, broad product list, and multiple sales channels allowed. The state baseline is workable for full-time operations; the county still controls zoning and inspection.
View state law →Health department
Many states delegate cottage food registration and inspection to the county health department. Contact theirs for the local process.
Home occupation rules
The county or city zoning code governs whether you can run a home-based food business — customer visits, signage, employees, floor area.
Home kitchen, inspection, and zoning rules for Washtenaw County
State baseline: MCL §289.4102
- Home kitchen allowed
- Conditional
- Restrictions
- Michigan cottage food law (MCL §289.4102) allows non-PHF foods from home kitchens with annual gross sales cap of $50,000 (raised by HB 4122, 2025, effective March 2026). Direct sales only. Online/mail order and third-party delivery permitted with face-to-face or virtual interaction requirement (2025 amendment). Allowed foods: baked goods, candies, condiments, dry goods, pastries, preserves, snacks (specific permitted list). No state registration required. Local zoning compliance required.
- Separate dedicated kitchen
- No
- Pet restrictions
- No specific state restriction; standard food safety practices apply.
- Water supply
- No specific state requirement.
- Handwashing
- Standard food safety practices.
- Food storage
- Non-TCS shelf-stable foods only.
- Inspection required
- No
- Inspection trigger
- No routine inspection required.
- Home occupation permit
- Conditional
- Permit details
- Washtenaw County municipalities (Ann Arbor, Ypsilanti, Saline, Chelsea, etc.) have their own zoning ordinances governing home occupations. Ann Arbor has active zoning enforcement. Operators should verify with local city/township whether home occupation permit required.
- Local business license
- Varies
- On-site customer pickup
- Yes
- On-site signage
- Conditional
- Delivery / pickup
- Direct to consumer only. No consignment or wholesale. Online/mail/third-party delivery with face-to-face or virtual interaction permitted per 2025 amendment.
- Max employees in home
- Not specified in state law; local zoning rules vary.
- Relevant code section
- MCL §289.4102 (state cottage food); local Washtenaw County municipal zoning codes vary.
Michigan cottage food law (MCL §289.4102) confirmed from state baseline. 2025 amendment (HB 4122) raised cap to $50,000, allowed online/mail/third-party delivery. Washtenaw County includes University of Michigan community — active farmers market and food entrepreneurship culture. No state registration.
Michigan Compiled Laws §289.4102 - Cottage Food Operation; Exemption from Licensing and Evaluation Provisions; Requirements (Michigan Food Law, Act 92 of 2000)
Full Michigan state report (with PDF download) →Verbatim excerpt289.4102 Cottage food operation; exemption from licensing and evaluation provisions; requirements. Sec. 4102. (1) A cottage food operation is exempt from the licensing and evaluation provisions of this act. This exemption does not include an exemption from the adulteration and other standards imposed in this section or under this act, or both, and does not limit the ability of the department to take appropriate enforcement action for applicable violations as described in section 5101. This subsection does not require a cottage food operation to meet the standards contained in 21 CFR part 110 or the food code. (2) Cottage food products must be prepackaged and properly labeled before sale. (3) A cottage food operation shall place on the label of any food it produces or packages the following information: (a) The name and address of the business, or name, telephone number, and registration number; (b) The name of the cottage food product; (c) Ingredients in descending order of predominance by weight; (d) Net weight or net volume; (e) Allergen labeling as specified by federal requirements; (g) The following statement printed in at least the equivalent of 11-point font size in a color that provides a clear contrast to the background: "Made in a home kitchen that has not been inspected by the Michigan department of agriculture and rural development." (4) Except as otherwise provided in this subsection, a cottage food product must be sold directly from the cottage food operation to the consumer. Sales by consignment or at wholesale are prohibited. A cottage food product may be sold by internet or mail order or may be delivered to a consumer through a third-party food delivery platform if the cottage food operation provides an opportunity for a consumer to directly interact with the cottage food operation before the cottage food product is sold. A cottage food product sold by internet or mail order or delivered through a third-party delivery platform must be sold or delivered only to a consumer in this state.
Source: legislature.mi.gov/Laws/MCL?objectName=MCL-289-4102 →
Washtenaw County cottage food — FAQ
Is a home kitchen allowed for cottage food in Washtenaw County, Michigan?
According to our research: home kitchen Conditional. Restrictions: Michigan cottage food law (MCL §289.4102) allows non-PHF foods from home kitchens with annual gross sales cap of $50,000 (raised by HB 4122, 2025, effective March 2026). Direct sales only. Online/mail order and third-party delivery permitted with face-to-face or virtual interaction requirement (2025 amendment). Allowed foods: baked goods, candies, condiments, dry goods, pastries, preserves, snacks (specific permitted list). No state registration required. Local zoning compliance required.
Is a health inspection required for home bakers in Washtenaw County?
Inspection: No. Trigger: No routine inspection required..
Do I need a home occupation permit in Washtenaw County?
Home occupation permit: Conditional. Washtenaw County municipalities (Ann Arbor, Ypsilanti, Saline, Chelsea, etc.) have their own zoning ordinances governing home occupations. Ann Arbor has active zoning enforcement. Operators should verify with local city/township whether home occupation permit required.
What is the Michigan cottage food sales cap?
Michigan state law caps cottage food sales at 50000. County rules may add permits or zoning limits on top.
Where to verify Washtenaw County rules
Washtenaw County vs. bordering counties
| Regulation | Washtenaw County This county | Livingston County | Oakland County |
|---|---|---|---|
| Home kitchen allowed | Conditional | Yes | Yes |
| Separate dedicated kitchen | No | No | No |
| Pets allowed | No specific state restriction; standard food safety practices apply. | No explicit state-level pet restriction in Michigan cottage food statute. Standard GMP practices apply. | State baseline applies |
| Inspection required | No | No | Upon-complaint |
| On-site customer pickup | Yes | Yes | Yes |
| On-site signage | Conditional | Conditional | Conditional |
| Delivery / pickup | Direct to consumer only. No consignment or wholesale. Online/mail/third-party delivery with face-to-face or virtual interaction permitted p… | Michigan cottage food: direct sales from home, at events/markets, and online (2025 amendment added online/mail-order/third-party delivery p… | Direct sales required; wholesale/consignment prohibited. Internet/mail order and third-party delivery allowed if consumer can directly inte… |
| Home occupation permit | Conditional | Conditional | Conditional |
| Local business license | Varies | Varies | Varies by city |
| Restrictions | Michigan cottage food law (MCL §289.4102) allows non-PHF foods from home kitchens with annual gross sales cap of $50,000 (raised by HB 4122… | Michigan cottage food law (MCL §289.4102, amended 2025 HB 4122) allows non-PHF foods from a home kitchen. Annual sales cap: $50,000 (double… | Michigan Cottage Food Law exempts cottage food operations from MDARD licensing and inspection. No separate Oakland County permit required. … |
| Food storage | Non-TCS shelf-stable foods only. | Non-PHF foods only; only two specified buttercream frosting recipes permitted. Standard GMP storage. | Products must be stored only in the primary domestic residence. |
| Population | 370,231 | 194,302 | 1,272,264 |
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