For Sale at Mount Helix: 4242 Avenida Gregory, Spring Valley, CA 91977. 4-bedroom 3.5-bath, 3308 sf, 1968 Mt. Helix $1,590,000 begin new search
Click a button below to contact Buyers' Agent from Compass. Listing Office: Aperture Real Estate Services.
Schedule A Tour Ask A Question Save To Favorites Follow 4242 Avenida Gregory

Overview

Welcome to your elevated escape! This fully reimagined Mt. Helix retreat offers 4 bedrooms, 3.5 bathrooms, and 3,308 sq ft of thoughtfully designed living space. The open yet smartly divided layout blends flow and function, perfect for entertaining. Soaring wood-beam ceilings, expansive windows with treetop views, and modern fireplaces add warmth and style throughout. The chef’s kitchen is the heart of the home, featuring a ZLINE 6-burner range, Il Forno appliance package, natural Taj Mahal quartzite countertops, secret walk-in pantry, and customizable cabinet interiors. The adjacent family room includes a stone fireplace, redwood deck access, and backyard views for effortless indoor-outdoor living. Upstairs, the serene primary suite is a true sanctuary. The spa-like bath features a traditional showerhead, body sprayer, and a waterfall shower cascading from a skylight. A discreet niche keeps essentials tucked away for a clean, calming feel. Downstairs offers a flexible bonus room—ideal as a gym, playroom, or potential 5th bedroom—and a second ensuite perfect for guests. Outdoors, enjoy 0.44 acres of terraced land, with plenty of space for a potential ADU, redwood decking, and a freshly re-plastered pool with new energy-efficient equipment. Owned solar, a detached shed with utilities, and an enclosed dog kennel complete this exceptional property. INVESTORS, this property is offered furnished and presents an excellent opportunity as an investment or short-term rental.

Address 4242 Avenida Gregory

Spring Valley, CA 91977
Listing Status Active
Asking Price $1,590,000
On Market Date $1,650,000 @ 2026-03-26
Listed / On-Market Entered 2026-03-26T11:39:11Z
Original Entry 2026-03-26T11:33:35Z
Property Condition Updated/Remodeled
Rooms
Primary Bedroom, Primary Bathroom, Bonus Room, Laundry, Living Room, Walk-In Pantry, Family Room, Formal Entry, All Bedrooms Up, All Bedrooms Down, Kitchen, Retreat, Walk-In Closet
Square Footage 3308 sf
Bedrooms 4
Full Bathrooms 3
Half Baths 1
Location
Directions Cross Street: Tropico.
Market Area 91977 - Spring Valley
Neighborhood Mt. Helix
Complex Mount Helix
School District Not Listed
Ownership
Age Restriction 0
Property Type
Mello-Roos Fee $0
HOA Fee $0
Public Records
County San Diego
Assessor Parcel# 5000402400
Zoning R-1:SINGLE
Geographic Areas

Airport Compatibility Zone: Montgomery Field

Community College District: Grossmont-cuyamaca CC

Zip Code: 91977

Highway Locator

East of I-15

East of I-5

South of I-8

East of I-805

East of SR-163

South of SR-52

Ocean Distance 11.9 miles
Exterior
Style Single Family Residence
Material Not Listed
Lot Size ~ 19,289 sf
Fencing Redwood,Excellent Condition,Brick,Wrought Iron
Topography Not Listed
Roof Composition
Swimming Pool In Ground, Private, See Remarks
Patio Covered, Wood, Concrete
Exclusive Yard 1
Parking
Concrete
Direct Garage Access
Total Spaces: 6
Garage Spaces: 2
Non-Garage Spaces: 0 - 4.00
View Mountain(s)
Features
Year Built 1968 (source: Assessor)
Laundry Location Inside,Gas & Electric Dryer Hookup,Washer Hookup,See Remarks
Elevator Not Listed
Cooling Central Air
Heating Fireplace(s), Forced Air, See Remarks
Fireplaces Raised Hearth,Living Room,Family Room,Wood Stove Insert (1)
Interior Features Beamed Ceilings, Furnished, Living Room Deck Attached, Stone Counters, Cathedral Ceiling(s)
Additional Parcels No
Appliances Yes
Assessments No
Association No
Association Fee 2 0
Attached Garage No
Below Grade Finished Area 0
Carport Spaces 0
Construction Materials Stucco
Cooling Yes
Eating Area Dining Room
Heating Yes
Land Lease No
Laundry Yes
Levels Two
Living Area Source Assessor
Lot Size Source Assessor
Lot Size Units Square Feet
Main Level Bathrooms 0
Main Level Bedrooms 0
New Construction No
Number Of Units Total 0
Number Remotes 0
Parking Yes
Patio Yes
Pool Private Yes
Property Attached No
Sprinklers No
View Yes
Well Depth 0
Well Gallons Per Minute 0
Well Pump Horsepower 0
Well Report No
Monthly Payment Calculator
Property Tax estimate of 1% of listing price does not include local voter-approved bonds/assessments, supplemental taxes for new construction or ownership changes, extra local fees, etc.
Listing Source
Platform CRMLS
AOR San Diego
MLS Number 260007113SD
Courtesy of Aperture Real Estate Services
Listing Agent Nicole Nevin