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What Are You Allowed to Build at 1421 Central Ave, Fullerton, CA, 92831?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,103 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 1,103 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 3,486 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 1,279 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 1421 Central Ave, Fullerton, CA, 92831

Zoning Jurisdiction

FULLERTON

Parcel ID

02950534

Property Type

Single Family

Zone

R-1

Year Built

1959

Lot Size

7,745 sq ft

Gross Building Area

2,748 sq ft

Gross Floor Area

2,206 sq ft

Estimated

Living Area

1,665 sq ft

Basement Area

0 sq ft

Impervious Surface

2,748 sq ft

Estimated
35.5%of lot coverage

ADU rules for Fullerton, 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 1421 Central Ave, Fullerton, CA, 92831?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,103 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 1,103 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 3,486 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 1,279 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 1421 Central Ave, Fullerton, CA, 92831

Zoning Jurisdiction

FULLERTON

Parcel ID

02950534

Property Type

Single Family

Zone

R-1

Year Built

1959

Lot Size

7,745 sq ft

Gross Building Area

2,748 sq ft

Gross Floor Area

2,206 sq ft

Estimated

Living Area

1,665 sq ft

Basement Area

0 sq ft

Impervious Surface

2,748 sq ft

Estimated
35.5%of lot coverage

ADU rules for Fullerton, CA

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

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