Browse

626 Caldwell Rd

Glen Arms · Oakland

626 Caldwell Rd

Style

Single Family Residence

Zoning

RH-4

Year built

1993

Existing

5 bd · 4 ba

Interior

3,058 sf

Lot size

9,167 sf

$1,698,000

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 potential unit
$375K estimated cost
$1.5M 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
$2,124,102
SB9 scenario · 1 new unit · 732 new sf
Build Cost / SF
$
SB9 build cost$375,162
18% of project cost
Property acquisition$1,748,940
82% of project cost
Estimated Project Value (2 Year)
$3,168,287
$2,590,426 1-year project value ·
49.2% total ROI
$1,044,185 potential ROI
Added scenario value$1,470,287
46% of completed value
Current property value$1,698,000
54% of completed value
Acquisition82%
Soft Costs4%
Hard Costs13%
Value Projections
Today list price$1,698,000
24-month added value$1,470,287
24-month project value$3,168,287
Potential ROI$1,044,185
Assumptions
Current sale / sf$801
Average sale / sf$740
Annual growth64.8%
Comp bedrooms5
Comp radius5 miles
Price / sf sourceAverage sold comps
Added sqft732 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
$375K
Per Home
$2.12M
# of original sq ft
2,119
# of new sq ft
732
Total sq ft
2,851
Per Sq Ft
N/A
Per Sq Ft
$513
Per Sq Ft
$745
Total
$1.75M
Total
$375K
Total
$2.12M
Financing Estimate
Construction Loan

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

Construction Estimate
Loan Proceeds
Construction basis
Soft + hard costs
$375K
Loan proceeds
65% loan-to-cost
$244K
Cash required
Unfinanced development cost
$131K
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 Kacey Bridgman · 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 September 8, 2026 at 1:22 PM PDT.

Location

Data from Type Five
Jurisdiction
Oakland
Zoning
RH-4
Overlay Districts
-
Climate Zone
Zone 3
Transit Access (1/2 mi)
Yes (Broadway Ter & Temescal Recreational Area · 0.34 mi)

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
Fire Responsibility
LRA
Wildfire Protection Req.
Yes
View on GoogleView on Zillow