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What Are You Allowed to Build at 105 E 5th St, San Dimas, CA, 91773?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

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

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.

Multifamily

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 105 E 5th St, San Dimas, CA, 91773

Zoning Jurisdiction

SAN DIMAS

Parcel ID

8387005016

Property Type

Single Family

Zone

SF-DR

Year Built

1923

Lot Size

2,197 sq ft

Gross Building Area

962 sq ft

Gross Floor Area

849 sq ft

Estimated

Living Area

737 sq ft

Basement Area

0 sq ft

Impervious Surface

962 sq ft

Estimated
43.8%of lot coverage

ADU rules for San Dimas, 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 105 E 5th St, San Dimas, CA, 91773?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

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

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.

Multifamily

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 105 E 5th St, San Dimas, CA, 91773

Zoning Jurisdiction

SAN DIMAS

Parcel ID

8387005016

Property Type

Single Family

Zone

SF-DR

Year Built

1923

Lot Size

2,197 sq ft

Gross Building Area

962 sq ft

Gross Floor Area

849 sq ft

Estimated

Living Area

737 sq ft

Basement Area

0 sq ft

Impervious Surface

962 sq ft

Estimated
43.8%of lot coverage

ADU rules for San Dimas, CA

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

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