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5437 Colusa Ave

Richmond Annex · Richmond

5437 Colusa Ave

Style

Single Family Residence

Zoning

RL2

Year built

1943

Existing

2 bd · 1 ba

Interior

809 sf

Lot size

3,750 sf

$669,000

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-$472K estimated cost
$459K-$1.2M future value add

Single-Family Homes and ADUs on Separate Lots

Add 1 potential unit
$396K-$581K estimated cost
$909K-$1.5M future value add
Loading infill model...

Density level

Density controls will appear after the model finishes loading.

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
$960,872
ADU scenario · 1 new unit · 400 new sf
Build Cost / SF
$
ADU build cost$271,802
28% of project cost
Property acquisition$689,070
72% of project cost
Estimated Project Value (2 Year)
$1,128,171
$1,068,509 1-year project value ·
17.4% total ROI
$167,299 potential ROI
Added scenario value$459,171
41% of completed value
Current property value$669,000
59% of completed value
Acquisition72%
Soft Costs6%
Hard Costs22%
Value Projections
Today list price$669,000
24-month added value$459,171
24-month project value$1,128,171
Potential ROI$167,299
Assumptions
Current sale / sf$827
Average sale / sf$869
Annual growth14.9%
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
$961K
# of original sq ft
809
# of new sq ft
400
Total sq ft
1,209
Per Sq Ft
N/A
Per Sq Ft
$680
Per Sq Ft
$795
Total
$689K
Total
$272K
Total
$961K
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 Dewey Vuong · EXP Realty of California, Inc

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 August 19, 2026 at 6:14 PM PDT.

Location

Data from Type Five
Jurisdiction
Richmond
Zoning
RL2
Overlay Districts
None
Climate Zone
Zone 3
Transit Access (1/2 mi)
Yes (Carlson Blvd & San Luis St)

Natural Hazards

Data from Type Five
Flood Zone
X
Liquefaction Risk
Yes
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