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What Are You Allowed to Build at 12121 Baseline Rd, Unincorporated (Boulder), CO, 80026?

Backyard Cottage

(Detached ADU)

Might be Allowed

This property may qualify for a Detached ADU of up to 700 sq ft allowed By Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed

This property may qualify for an Internal ADU, but there are some special considerations.

Swimming Pool

Probably Allowed

This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Not Allowed

The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

Multi Family

Home Addition

Probably Allowed

We estimate you can expand this property by up to 6,000 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 12121 Baseline Rd, Unincorporated (Boulder), CO, 80026

Zoning Jurisdiction

Boulder County

Parcel ID

146536000024

Property Type

Single Family

Zone

Year Built

2020

Lot Size

204,392 sq ft

Gross Building Area

5,713 sq ft

Gross Floor Area

5,713 sq ft

Estimated

Living Area

5,713 sq ft

Basement Area

0 sq ft

Impervious Surface

5,713 sq ft

Estimated

2.8%of lot coverage

ADU rules for Unincorporated Boulder, CO

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