Set among the trees in Mt. Helix, this fully reimagined retreat offers 4 bedrooms, 3.5 baths and 3,308 sq ft of thoughtfully designed living space. Soaring wood-beamed ceilings, expansive windows with views to the top of Mt. Helix and modern fireplaces bring warmth and character throughout. The chef’s kitchen features a ZLINE 6-burner range, Il Forno appliances, Taj Mahal quartzite countertops and a hidden walk-in pantry. The adjacent family room opens to a redwood deck and backyard for effortless indoor-outdoor living. Upstairs, the serene primary suite features a spa-inspired bath with body sprayer and dramatic waterfall shower cascading from a skylight. Downstairs, a flexible bonus room is ideal for a gym, playroom, office or potential 5th bedroom, while a second ensuite offers privacy for guests. Outside, enjoy .44 acres of terraced grounds, redwood decking, potential ADU space and a freshly replastered pool with new energy-efficient equipment. Owned solar, a detached shed with utilities and enclosed dog kennel add functionality. Available furnished, this distinctive property is equally suited as a primary residence, second home or investment opportunity.
For sale
$1,550,000
4242 Avenida Gregory, Spring Valley, CA 91977
4beds
3,308sqft
Single Family Residence
Built in 1968
0.44 Acres Lot
$1,527,700 Zestimate®
$469/sqft
$-- HOA
What's special
Serene primary suiteDetached shed with utilitiesEnclosed dog kennelSoaring wood-beamed ceilingsTaj mahal quartzite countertopsIl forno appliancesRedwood decking
- 7 days
- 523
- 52
Zillow last checked:
Listing updated:
Listed by:
Nicole Nevin DRE #01393076 619-316-1997,
Aperture Real Estate Services
Source: SDMLS,MLS#: 260022919
Originating MLS: SDMLS
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Fireplace, Forced Air Unit
Cooling
- Central Forced Air
Appliances
- Included: Dishwasher, Disposal, Dryer, Pool/Spa/Equipment, Refrigerator, Shed(s), Solar Panels, Washer, Built In Range, Convection Oven, Double Oven, Ice Maker, Range/Stove Hood, Gas Range
- Laundry: Other/Remarks, Washer Hookup, Gas & Electric Dryer HU
Features
- Beamed Ceilings, Living Room Deck Attached, Remodeled Kitchen, Stone Counters, Cathedral-Vaulted Ceiling, Kitchen Open to Family Rm, Furnished
- Number of fireplaces: 2
- Fireplace features: FP in Family Room, FP in Living Room, Raised Hearth, Wood Stove Insert
- Furnished: Yes
Interior area
- Total structure area: 3,308
- Total interior livable area: 3,308 sqft
Video & virtual tour
Property
Parking
- Total spaces: 6
- Parking features: Attached, Direct Garage Access
- Garage spaces: 2
Features
- Levels: 2 Story
- Patio & porch: Balcony, Covered, Concrete, Wood
- Pool features: Below Ground, Private, See Remarks
- Has spa: Yes
- Fencing: Gate,Brick Wall,Excellent Condition,Redwood,Wrought Iron
- Has view: Yes
- View description: Mountains/Hills, Parklike
Lot
- Size: 0.44 Acres
Details
- Additional structures: Shed
- Parcel number: 5000402400
- Zoning: R-1:SINGLE
- Zoning description: R-1:SINGLE
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Stucco
- Roof: Composition
Condition
- Updated/Remodeled
- Year built: 1968
Utilities & green energy
- Sewer: Sewer Connected
- Water: Meter on Property
Community & HOA
Community
- Subdivision: MOUNT HELIX
Location
- Region: Spring Valley
Financial & listing details
- Price per square foot: $469/sqft
- Tax assessed value: $1,058,275
- Date on market: 9/18/2026
- Listing terms: Cash,Conventional,FHA,VA
Estimated market value
$1,527,700
$1.45M - $1.60M
$6,771/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/18/2026 | Listed for sale | $1,550,000$469/sqft |
Source: | ||
| 9/14/2026 | Listed for rent | $10,000+25%$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 8/11/2026 | Listing removed | $1,550,000$469/sqft |
Source: | ||
| 7/23/2026 | Price change | $1,550,000-2.5%$469/sqft |
Source: | ||
| 4/29/2026 | Price change | $1,590,000-3.6%$481/sqft |
Source: | ||
| 3/26/2026 | Listed for sale | $1,650,000$499/sqft |
Source: | ||
| 1/29/2026 | Listing removed | $8,000$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 1/21/2026 | Price change | $8,000-20%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 1/6/2026 | Listed for rent | $10,000+25%$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/15/2025 | Listing removed | $8,000$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/13/2025 | Listing removed | $1,650,000$499/sqft |
Source: | ||
| 10/11/2025 | Pending sale | $1,650,000$499/sqft |
Source: | ||
| 10/7/2025 | Price change | $8,000-15.8%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 9/25/2025 | Price change | $1,650,000-2.9%$499/sqft |
Source: | ||
| 9/22/2025 | Listed for rent | $9,500$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 8/6/2025 | Listed for sale | $1,699,000-2.1%$514/sqft |
Source: | ||
| 8/6/2025 | Listing removed | $1,735,000$524/sqft |
Source: | ||
| 6/11/2025 | Listed for sale | $1,735,000+67.2%$524/sqft |
Source: | ||
| 12/11/2024 | Sold | $1,037,525-5.6%$314/sqft |
Source: | ||
| 11/19/2024 | Pending sale | $1,099,000$332/sqft |
Source: | ||
| 10/31/2024 | Listed for sale | $1,099,000+122.9%$332/sqft |
Source: | ||
| 8/20/2002 | Sold | $493,000$149/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $1,058,275 +2% |
| 2025 | $12,957 +48.2% | $1,037,525 +48.2% |
| 2024 | $8,746 +3.1% | $700,011 +2% |
| 2023 | $8,480 +1.5% | $686,286 +2% |
| 2022 | $8,357 +1.2% | $672,830 +2% |
| 2021 | $8,260 +4% | $659,638 +1% |
| 2020 | $7,941 +8.4% | $652,876 +2% |
| 2019 | $7,327 -3.8% | $640,075 +2% |
| 2018 | $7,616 +2% | $627,525 +2% |
| 2017 | $7,467 +3.7% | $615,222 +2% |
| 2016 | $7,204 +0.7% | $603,160 +1.5% |
| 2015 | $7,155 +2% | $594,101 +2% |
| 2014 | $7,016 | $582,464 +4.5% |
| 2013 | -- | $557,318 |
| 2012 | -- | $557,318 |
| 2011 | -- | $557,318 +0.8% |
| 2010 | -- | $553,154 -0.2% |
| 2009 | -- | $554,469 +2% |
| 2008 | -- | $543,598 +2% |
| 2007 | -- | $532,940 +2% |
| 2006 | -- | $522,491 +2% |
| 2005 | -- | $512,247 +2% |
| 2004 | -- | $502,204 +1.9% |
| 2003 | -- | $493,000 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 91977
Nearby schools
Schools provided by the listing agent
- District: La Mesa Spring Valley School Dis
Source: SDMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.






