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What Are You Allowed to Build at 1140 Bromfield Rd, Hillsborough, CA, 94010?

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 11,639 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 under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Zoning Jurisdiction

HILLSBOROUGH

Parcel ID

031025030

Property Type

Two Family

Zone

RD-1

Year Built

2002

Lot Size

48,555 sq ft

Gross Building Area

4,509 sq ft

Gross Floor Area

6,130 sq ft

Estimated

Living Area

6,130 sq ft

Basement Area

0 sq ft

Impervious Surface

4,509 sq ft

Estimated

9.3%of lot coverage

ADU rules for Hillsborough, CA

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