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What Are You Allowed to Build at 609 Coghlan Rd, Healdsburg, CA, 95448?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 609 Coghlan Rd, Healdsburg, CA, 95448

Zoning Jurisdiction

HEALDSBURG

Parcel ID

002521029000

Property Type

Single Family

Zone

R-1-20,000

Year Built

1963

Lot Size

13,068 sq ft

Gross Building Area

3,272 sq ft

Gross Floor Area

2,565 sq ft

Estimated

Living Area

1,859 sq ft

Basement Area

0 sq ft

Impervious Surface

3,272 sq ft

Estimated
25.0%of lot coverage

ADU rules for Healdsburg, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 609 Coghlan Rd, Healdsburg, CA, 95448?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 609 Coghlan Rd, Healdsburg, CA, 95448

Zoning Jurisdiction

HEALDSBURG

Parcel ID

002521029000

Property Type

Single Family

Zone

R-1-20,000

Year Built

1963

Lot Size

13,068 sq ft

Gross Building Area

3,272 sq ft

Gross Floor Area

2,565 sq ft

Estimated

Living Area

1,859 sq ft

Basement Area

0 sq ft

Impervious Surface

3,272 sq ft

Estimated
25.0%of lot coverage

ADU rules for Healdsburg, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.