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8 Maybeck Twin Drive

North Berkeley · Berkeley

8 Maybeck Twin Drive

Style

Single Family Residence

Zoning

R-1H

Year built

2022

Existing

4 bd · 4 ba

Interior

3,643 sf

Lot size

5,150 sf

$2,895,000

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.

Single-Family Homes and ADUs on Separate Lots

Add 1-2 potential units
$614K-$714K estimated cost
$1.2M-$1.7M 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
$3,695,703
SB9 scenario · 1 new unit · 1,728 new sf
Build Cost / SF
$
SB9 build cost$713,853
19% of project cost
Property acquisition$2,981,850
81% of project cost
Estimated Project Value (2 Year)
$4,564,930
$4,472,156 1-year project value ·
23.5% total ROI
$869,227 potential ROI
Added scenario value$1,669,930
37% of completed value
Current property value$2,895,000
63% of completed value
Acquisition81%
Soft Costs3%
Hard Costs16%
Value Projections
Today list price$2,895,000
24-month added value$1,669,930
24-month project value$4,564,930
Potential ROI$869,227
Assumptions
Current sale / sf$1,175
Average sale / sf$862
Annual growth5.9%
Comp bedrooms4
Comp radius5 miles
Price / sf sourceAverage sold comps
Added sqft1,728 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
$714K
Per Home
$3.70M
# of original sq ft
2,464
# of new sq ft
1,728
Total sq ft
4,192
Per Sq Ft
N/A
Per Sq Ft
$413
Per Sq Ft
$882
Total
$2.98M
Total
$714K
Total
$3.70M
Financing Estimate
Construction Loan

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

Construction Estimate
Loan Proceeds
Construction basis
Soft + hard costs
$714K
Loan proceeds
65% loan-to-cost
$464K
Cash required
Unfinanced development cost
$250K
Monthly payment
Interest-only estimate
$4K

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 David Gunderman · KW Advisors East Bay

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 July 29, 2026 at 11:32 AM 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 (Euclid Av & Hawthorne Ter)

Natural Hazards

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

Fire Risk

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