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7230 Blake St

N.Berkeley Terr · El Cerrito

7230 Blake St

Style

Single Family Residence

Zoning

RS-5

Year built

1949

Existing

3 bd · 2 ba

Interior

850 sf

Lot size

2,596 sf

$949,888

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.

Single-Family Homes and ADUs on Separate Lots

Add 1-2 potential units
$376K-$549K estimated cost
$1.2M-$1.8M future value add

Applicable but Space Constrained: ADU

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 ScenarioSB9
Estimated Project Cost
$1,354,567
SB9 scenario · 1 new unit · 735 new sf
Build Cost / SF
$
SB9 build cost$376,182
28% of project cost
Property acquisition$978,385
72% of project cost
Estimated Project Value (2 Year)
$2,192,907
$1,751,308 1-year project value ·
61.9% total ROI
$838,340 potential ROI
Added scenario value$1,243,019
57% of completed value
Current property value$949,888
43% of completed value
Acquisition72%
Soft Costs7%
Hard Costs21%
Value Projections
Today list price$949,888
24-month added value$1,243,019
24-month project value$2,192,907
Potential ROI$838,340
Assumptions
Current sale / sf$1,321
Average sale / sf$703
Annual growth55.1%
Comp bedrooms3
Comp radius5 miles
Price / sf sourceAverage sold comps
Added sqft735 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
$376K
Per Home
$1.35M
# of original sq ft
719
# of new sq ft
735
Total sq ft
1,454
Per Sq Ft
N/A
Per Sq Ft
$512
Per Sq Ft
$932
Total
$978K
Total
$376K
Total
$1.35M
Financing Estimate
Construction Loan

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

Construction Estimate
Loan Proceeds
Construction basis
Soft + hard costs
$376K
Loan proceeds
65% loan-to-cost
$245K
Cash required
Unfinanced development cost
$132K
Monthly payment
Interest-only estimate
$2K

Timeline

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

Estimated Total Duration

15 months

SB9

Design

Concept design, site planning, and early coordination.

2 months

Month 1 - Month 2

Permitting

Planning review, entitlement approvals, and building permits.

4 months

Month 3 - Month 6

Site Work

Utility coordination, grading, and site preparation.

2 months

Month 7 - Month 8

Construction

Vertical construction through final inspection.

7 months

Month 9 - Month 15

Property Overview

MLS: bridgeMLS

Property information from bridgeMLS

Listed by Carlos Griffin · BR Realty

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 12, 2026 at 10:50 PM PDT.

Location

Data from Type Five
Jurisdiction
El Cerrito
Zoning
RS-5
Overlay Districts
None
Climate Zone
Zone 3
Transit Access (1/2 mi)
Yes (San Pablo Av & Potrero Av)

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
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