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What Are You Allowed to Build at 527 W Duarte Rd, Monrovia, CA, 91016?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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

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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 41,630 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 11,382 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 527 W Duarte Rd, Monrovia, CA, 91016

Zoning Jurisdiction

MONROVIA

Parcel ID

8507012074

Property Type

Multi Family

Zone

RH

Year Built

1986

Lot Size

55,506 sq ft

Gross Building Area

37,063 sq ft

Gross Floor Area

30,248 sq ft

Estimated

Living Area

23,433 sq ft

Basement Area

0 sq ft

Impervious Surface

23,433 sq ft

Estimated
42.2%of lot coverage

ADU rules for Monrovia, 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 527 W Duarte Rd, Monrovia, CA, 91016?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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

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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 41,630 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 11,382 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 527 W Duarte Rd, Monrovia, CA, 91016

Zoning Jurisdiction

MONROVIA

Parcel ID

8507012074

Property Type

Multi Family

Zone

RH

Year Built

1986

Lot Size

55,506 sq ft

Gross Building Area

37,063 sq ft

Gross Floor Area

30,248 sq ft

Estimated

Living Area

23,433 sq ft

Basement Area

0 sq ft

Impervious Surface

23,433 sq ft

Estimated
42.2%of lot coverage

ADU rules for Monrovia, CA

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

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