Windsor · Zoning · ER
Windsor ER zoning: height, setbacks and lot size
In Windsor's ER zone, generally buildings can be up to 35 ft tall, the front setback is 20 ft and the minimum lot size is 10,000 sq. ft., with the conditions listed below (Windsor code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 20 ft (New development; the code also sets a maximum front setback of 30 ft)
- Minimum side setback: 5 ft
- Minimum rear setback: 20 ft
- Minimum lot size: 10,000 sq. ft.
- Maximum lot coverage: 35%
- Maximum density: 3 units per acre
ER (Estate Residential) is a zoning district in Windsor. Every value below was read from the Windsor Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in ER
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Maximum building height | 35 ft § 17.10.040 · code textTable row “Primary Structure”, column “ER”: 35 |
|---|---|
| Minimum front setback | 20 ft Applies: New development; the code also sets a maximum front setback of 30 ft § 17.10.040 · code textTable row “New Development (min.)”, column “ER”: 20 |
| Minimum side setback | 5 ft § 17.10.040 · code textTable row “Interior Side”, column “ER”: 5 |
| Minimum rear setback | 20 ft § 17.10.040 · code textTable row “Primary Building”, column “ER”: 20 |
| Minimum lot size | 10,000 sq. ft. § 17.10.040 · code textTable row “Area (sq. ft.)”, column “ER”: 10,000 |
| Maximum lot coverage | 35% § 17.10.040 · code textTable row “Parcel Coverage (max. percentage of total parcel area covered by structures)”, column “ER”: 35 |
| Maximum density | 3 units per acre § 17.10.040 · code textTable row “Maximum (du/ac.)”, column “ER”: 3 |
Uses in ER
Uses the code's use tables allow in ER, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Child care center — Needs a conditional use permit
- Growing crops — Allowed
- Private school — Needs a conditional use permit
Not on this page
We did not find a general stories, FAR limit for ER in the zoning tables we read. The code may still set one elsewhere — check the Windsor Municipal Code.
Other Windsor zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Windsor's ER zone?
35 ft — Windsor Municipal Code § 17.10.040.
What is the minimum front setback in Windsor's ER zone?
20 ft (new development; the code also sets a maximum front setback of 30 ft) — Windsor Municipal Code § 17.10.040.
What is the minimum side setback in Windsor's ER zone?
5 ft — Windsor Municipal Code § 17.10.040.
What is the minimum rear setback in Windsor's ER zone?
20 ft — Windsor Municipal Code § 17.10.040.
What is the minimum lot size in Windsor's ER zone?
10,000 sq. ft. — Windsor Municipal Code § 17.10.040.
General information, not legal advice.
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