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1117 The Alameda

Northbrae · Berkeley

1117 The Alameda

Style

Single Family Residence

Zoning

R-1H

Year built

1921

Existing

3 bd · 2 ba

Interior

1,449 sf

Lot size

5,789 sf

$1,298,000

For Sale

Development Scenarios

Here's how you can use existing housing laws to add more housing units to this property. For illustrative purposes only, as actual site conditions should be verified in person.

ADU

Add 1 potential unit to the backyard
$285K estimated cost
$604K future value add

Single-Family Homes and ADUs on Separate Lots

Add 1-2 potential units
$537K-$855K estimated cost
$1.5M-$2.3M future value add
Loading infill model...

Density level

Density controls will appear after the model finishes loading.

You can demo a structure as long as its vacant / condemned / owner-occupied, has been off the rental market for 5 years, and has no Ellis act evictions in the past 15 years.

Generating the lot configuration for this scenario and density...

Financials

These estimates model the potential development economics for this scenario using local construction costs and comparable sale prices. They're provided for illustrative purposes only and aren't financial advice.

Selected ScenarioADU
Estimated Project Cost
$1,621,701
ADU scenario · 1 new unit · 496 new sf
Build Cost / SF
$
ADU build cost$284,761
18% of project cost
Property acquisition$1,336,940
82% of project cost
Estimated Project Value (2 Year)
$1,902,470
$1,832,813 1-year project value ·
17.3% total ROI
$280,768 potential ROI
Added scenario value$604,470
32% of completed value
Current property value$1,298,000
68% of completed value
Acquisition82%
Soft Costs4%
Hard Costs14%
Value Projections
Today list price$1,298,000
24-month added value$604,470
24-month project value$1,902,470
Potential ROI$280,768
Assumptions
Current sale / sf$976
Average sale / sf$954
Annual growth13.0%
Comp bedrooms3
Comp radius5 miles
Price / sf sourceAverage sold comps
Added sqft496 sf
Cost Breakdown

Unit Economics
Original Property
Acquisition only
Build New Homes
Soft + hard costs
All-In
Total project
# of original homes
N/A
# of new homes
1
Total homes
1
Per Home
N/A
Per Home
$285K
Per Home
$1.62M
# of original sq ft
1,330
# of new sq ft
496
Total sq ft
1,826
Per Sq Ft
N/A
Per Sq Ft
$574
Per Sq Ft
$888
Total
$1.34M
Total
$285K
Total
$1.62M
Financing Estimate
Construction Loan

Estimate construction proceeds, cash required, and interest-only payments.

Construction Estimate
Loan Proceeds
Construction basis
Soft + hard costs
$285K
Loan proceeds
65% loan-to-cost
$185K
Cash required
Unfinanced development cost
$100K
Monthly payment
Interest-only estimate
$2K

Timeline

Typical project phasing based on the selected scenario, density, and generated development scope.

Estimated Total Duration

11 months

ADU

Design

Concept design, site planning, and early coordination.

1 month

Month 1

Permitting

Planning review, entitlement approvals, and building permits.

3 months

Month 2 - Month 4

Site Work

Utility coordination, grading, and site preparation.

2 months

Month 5 - Month 6

Construction

Vertical construction through final inspection.

5 months

Month 7 - Month 11

Property Overview

MLS: bridgeMLS

Property information from bridgeMLS

Listed by Jennifer Wolan · District Homes

bridgeMLS © 2026. Information Deemed Reliable but not Guaranteed. This information is being provided by bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at October 14, 2026 at 6:50 PM PDT.

Location

Data from Type Five
Jurisdiction
Berkeley
Zoning
R-1H
Overlay Districts
Hillside Overlay
Climate Zone
Zone 3
Transit Access (1/2 mi)
Yes (The Alameda & Monterey Av · 0.02 mi)

Natural Hazards

Data from Type Five
Flood Zone
X
Liquefaction Risk
No
Landslide Risk
No
Fault Zone
No

Fire Risk

Data from Type Five
Fire Hazard Zone
Berkeley Fire Zone 2
Fire Responsibility
LRA
Wildfire Protection Req.
Yes