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1101 Mountain Blvd

Montclair · Oakland

1101 Mountain Blvd

Style

Single Family Residence

Zoning

RH-4

Year built

1920

Existing

2 bd · 1 ba

Interior

884 sf

Lot size

5,663 sf

$698,000

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
$624K-$958K estimated cost
$1.3M-$2M 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
$1,343,019
SB9 scenario · 1 new unit · 1,464 new sf
Build Cost / SF
$
SB9 build cost$624,079
46% of project cost
Property acquisition$718,940
54% of project cost
Estimated Project Value (2 Year)
$1,986,320
$1,986,320 1-year project value ·
47.9% total ROI
$643,301 potential ROI
Added scenario value$1,288,320
65% of completed value
Current property value$698,000
35% of completed value
Acquisition54%
Soft Costs8%
Hard Costs38%
Value Projections
Today list price$698,000
24-month added value$1,288,320
24-month project value$1,986,320
Potential ROI$643,301
Assumptions
Current sale / sf$1,003
Average sale / sf$880
Annual growth0.0%
Comp bedrooms2
Comp radius5 miles
Price / sf sourceAverage sold comps
Added sqft1,464 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
$624K
Per Home
$1.34M
# of original sq ft
696
# of new sq ft
1,464
Total sq ft
2,160
Per Sq Ft
N/A
Per Sq Ft
$426
Per Sq Ft
$622
Total
$719K
Total
$624K
Total
$1.34M
Financing Estimate
Construction Loan

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

Construction Estimate
Loan Proceeds
Construction basis
Soft + hard costs
$624K
Loan proceeds
65% loan-to-cost
$406K
Cash required
Unfinanced development cost
$218K
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 Lisa Carnazzo · The GRUBB Company

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 23, 2026 at 10:32 AM PDT.

Location

Data from Type Five
Jurisdiction
Oakland
Zoning
RH-4
Overlay Districts
S-9 OVERLAY
Climate Zone
Zone 3
Transit Access (1/2 mi)
Yes (Mountain Blvd & Broadway Ter)

Natural Hazards

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

Fire Risk

Data from Type Five
Fire Hazard Zone
VHFHZ AND S-9 OVERLAY
Fire Responsibility
LRA
Wildfire Protection Req.
Yes
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