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2338 Mono Ave

Poinsette Park · El Cerrito

2338 Mono Ave

Style

Single Family Residence

Zoning

RS-5

Year built

1939

Existing

2 bd · 2 ba

Interior

1,255 sf

Lot size

5,071 sf

$899,000

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
$272K-$502K estimated cost
$158K-$396K future value add

Single-Family Homes and ADUs on Separate Lots

Some density options may be space constrained
Add 1 potential unit
$774K estimated cost
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
$1,197,772
ADU scenario · 1 new unit · 400 new sf
Build Cost / SF
$
ADU build cost$271,802
23% of project cost
Property acquisition$925,970
77% of project cost
Estimated Project Value (2 Year)
$1,057,207
$1,110,670 1-year project value ·
-11.7% total ROI
-$140,565 potential ROI
Added scenario value$158,207
15% of completed value
Current property value$899,000
85% of completed value
Acquisition77%
Soft Costs5%
Hard Costs18%
Value Projections
Today list price$899,000
24-month added value$158,207
24-month project value$1,057,207
Potential ROI-$140,565
Assumptions
Current sale / sf$716
Average sale / sf$708
Annual growth-25.3%
Comp bedrooms2
Comp radius5 miles
Price / sf sourceAverage sold comps
Added sqft400 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
$272K
Per Home
$1.20M
# of original sq ft
1,255
# of new sq ft
400
Total sq ft
1,655
Per Sq Ft
N/A
Per Sq Ft
$680
Per Sq Ft
$724
Total
$926K
Total
$272K
Total
$1.20M
Financing Estimate
Construction Loan

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

Construction Estimate
Loan Proceeds
Construction basis
Soft + hard costs
$272K
Loan proceeds
65% loan-to-cost
$177K
Cash required
Unfinanced development cost
$95K
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 Alice Chan · New Horizon Real Estate

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 9, 2026 at 6:33 PM PDT.

Location

Data from Type Five
Jurisdiction
El Cerrito
Zoning
RS-5
Overlay Districts
-
Climate Zone
Zone 3
Transit Access (1/2 mi)
Yes (Barrett Av & Harris Av · 0.28 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
NOT IN A VHFHSV
Fire Responsibility
LRA
Wildfire Protection Req.
No