Listed by Cameron Samimi, Lyon Stahl Investment Real Estate, Inc. . Bought with Lyon Stahl Investment Real Estate, Inc.
$5,798,800
- 31 Beds
- 31 Baths
- 15,869 sqft (on 0.85 acres)
1850 Williams St, Simi Valley, CA 93065
Est. Refi. Payment $36,195/mo*
Refinance Your HomeCurrently Off Market - Sold Sep 16, 2025 for $5,700,000
Home Value
Trulia Estimate
$5.8MSince last month
Increased$50K (+0.9%)Since last year
Increased$99K (+1.7%)Since last sale
Increased$104K (+1.8%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +4,271% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $5.8M |
| August 2026 | $5.8M |
| July 2026 | $5.75M |
| June 2026 | $5.74M |
| May 2026 | $5.69M |
| April 2026 | $5.74M |
| March 2026 | $5.7M |
| February 2026 | $5.67M |
| January 2026 | $5.66M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
1.60 | Multi-Family Home | $1,205,000 | 07/16/26 | 17 | 13 | 3,871 | |
1.30 | Multi-Family Home | $630,000 | 04/17/26 | 2 | 2 | 982 | |
1.30 | Multi-Family Home | $605,000 | 07/29/26 | 2 | 2 | 1,000 | |
8.01 | Multi-Family Home | $1,900,000 | 11/21/25 | 8 | 4 | 3,300 | |
8.06 | Multi-Family Home | $825,000 | 10/23/25 | 4 | 2 | - |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.03 | $750,000 | 5 | 2.5 | 1,714 | Recently Sold | |
0.08 | $480,800 | 2 | 2 | 1,084 | Off Market | |
0.08 | $395,000 | 2 | 2 | 1,084 | Recently Sold | |
0.08 | $406,800 | 1 | 1 | 657 | Off Market | |
0.08 | $421,000 | 2 | 2 | 1,084 | Recently Sold | |
0.10 | $462,300 | 2 | 2 | 1,084 | Off Market | |
0.10 | $399,700 | 2 | 2 | 1,084 | For Sale | |
0.10 | $399,000 | 1 | 1 | 657 | Recently Sold | |
0.11 | $554,500 | 2 | 2 | 1,084 | Off Market | |
0.14 | $779,600 | 3 | 2 | 1,049 | Off Market | |
0.13 | $364,900 | 1 | 1 | 657 | For Sale |
Local Information
-- mins to
Home Highlights
Multi-Family
Built in 1989
0.85 acre lot
15,869 sqft
$365/sqft
Carport
About this House
*CALL FOR OFFERS ON MARCH 28th*
We are pleased to present the Westgate Apartments, a pride of ownership 31-unit asset in the highly desirable market of Simi Valley. The property is currently being operated as a 55+ community, but all covenants have expired and a new owner may choose to operate it with traditional tenants moving forward. The current 31 units on site are operating 88% below market rate. The property is also eligible for SB1211 allowing 8 detached ADU's on the property and 1 attached ADU for a total of 9 new 2 bed + 2 bath units, which would increase the gross income upside 167%. It is very rare to find a 1980's vintage asset at only $183k/unit. With the current in place rents the cap rate increases to a 8.1% after factoring in 1M in build costs for the 9 ADU's. Once all units are rented at market and ADU's are built, assuming a cost to renovate and build of $2.1; the property will operate at 10.56% cap rate and a 7 GRM. The property is fixed with common area amenities including a rec room as well as outdoor areas for grilling and socializing. 1850 Williams St is located in the heart of Simi Valley - just minutes away from restaurants, retail and supermarkets. This deal is perfect for investors looking for value-add, pride of ownership assets in a good neighborhood.
We are pleased to present the Westgate Apartments, a pride of ownership 31-unit asset in the highly desirable market of Simi Valley. The property is currently being operated as a 55+ community, but all covenants have expired and a new owner may choose to operate it with traditional tenants moving forward. The current 31 units on site are operating 88% below market rate. The property is also eligible for SB1211 allowing 8 detached ADU's on the property and 1 attached ADU for a total of 9 new 2 bed + 2 bath units, which would increase the gross income upside 167%. It is very rare to find a 1980's vintage asset at only $183k/unit. With the current in place rents the cap rate increases to a 8.1% after factoring in 1M in build costs for the 9 ADU's. Once all units are rented at market and ADU's are built, assuming a cost to renovate and build of $2.1; the property will operate at 10.56% cap rate and a 7 GRM. The property is fixed with common area amenities including a rec room as well as outdoor areas for grilling and socializing. 1850 Williams St is located in the heart of Simi Valley - just minutes away from restaurants, retail and supermarkets. This deal is perfect for investors looking for value-add, pride of ownership assets in a good neighborhood.
1850 Williams St, Simi Valley, CA 93065 is a 31 bedroom, 31 bathroom, 15,869 sqft multi-family built in 1989. It last sold for the $5,700,000 asking price on Sep 16, 2025. More recently, it was listed as a rental in June 2022 with an asking price of $1,100 per month. That rental listing was removed on July 15, 2022. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $5,798,800, with a rent estimate of $2,380/month.
Home Details for 1850 Williams St
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Beds & Baths Number of Bedrooms: 31Number of Bathrooms: 31 |
Appliances & Utilities Laundry: Common Area |
Windows, Doors, Floors & Walls Common Walls: 2+ Common Walls |
Levels, Entrance, & Accessibility Number of Stories: 2Entry Location: 0 |
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Exterior Home Features No Private Pool |
Parking & Garage Has a CarportNo GarageNo Attached GarageParking: Carport |
Pool Pool: None |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Surface & Elevation Elevation Units: Feet |
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Cumulative Days on Market: 48 |
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Year Built Year Built: 1989 |
Property Type / Style Property Type: Residential IncomeProperty Subtype: Multi Family |
Building Not a New ConstructionAttached To Another StructureNo Additional Parcels |
Property Information Parcel Number: 6320020555 |
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Price List Price: $5,700,000 |
Status Change & Dates Off Market Date: Tue Sep 16 2025 |
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MLS Status: Closed |
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Direction & Address City: Simi Valley |
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Building Area Building Area: 15869 Square Feet |
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Community Features: UrbanNot Senior Community |
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Association for this Listing: California Regional MLS |
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Lot Area: 0.85 acres |
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Special Conditions: Standard |
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Listing Terms: Cash, Cash to New Loan, Conventional, 1031 Exchange |
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Expense Tenant Pays: Electricity, Gas |
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Has Rent Control |
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Mls Number: SB25054169Living Area Range Units: Square FeetActivation Date: Thu Mar 13 2025Common Interest: Community ApartmentStart Showing Date: Thu Mar 13 2025Universal Property Id: US-06111-N-6320020555-R-N |
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Urban |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Sep 16, 2025 Source: CRMLS #SB25054169 | Sold | $5,700,000 |
Apr 30, 2025 Source: CRMLS #SB25054169 | Contingent | $5,700,000 |
Mar 14, 2025 Source: CRMLS #SB25054169 | Listed For Sale | $5,700,000 |
Jul 15, 2022 Source: My State MLS | ListingRemoved | |
Jun 28, 2022 Source: My State MLS #11059920 | PriceChange | $1,250 Price increased by 14% |
Jun 18, 2022 Source: My State MLS #11059920 | Listed For Rent | $1,100 |
May 29, 2022 Source: My State MLS | ListingRemoved | |
May 28, 2022 Source: My State MLS #11059920 | Listed For Rent | $1,100 |
Apr 6, 2022 Source: My State MLS | ListingRemoved | |
Apr 5, 2022 Source: My State MLS #11059920 | Listed For Rent | $1,050 |
Mar 29, 2022 Source: My State MLS | ListingRemoved | |
Mar 11, 2022 Source: My State MLS #11059920 | Listed For Rent | $1,050 |
Mar 26, 2021 Source: My State MLS | ListingRemoved | |
Mar 18, 2021 Source: My State MLS #10978046 | Listed For Rent | $1,050 |
May 28, 2020 Source: Agent Provided | ListingRemoved | $950 |
May 18, 2020 Source: Agent Provided | Listed For Rent | $950 |
Market trends in Simi Valley
Last updated August 2026
Avg. sale price
$808K
$16.67KMoM
Sale-to-List Price
100.0%
Price per sq ft
$489
$0MoM
Available listings
382
30MoM
Around this home
What Locals Say about Simi Valley
At least 765 Trulia users voted on each feature.
93 % Say it's dog friendly
89 % Say there are sidewalks
87 % Say car is needed
83 % Say parking is easy
81 % Say there's holiday spirit
78 % Say yards are well-kept
76 % Say streets are well-lit
74 % Say people would walk alone at night
71 % Say it's quiet
65 % Say it's walkable to grocery stores
63 % Say kids play outside
60 % Say it's walkable to restaurants
58 % Say neighbors are friendly
54 % Say they plan to stay for at least 5 years
50 % Say there's wildlife
32 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-09-13 00:35:57 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-09-13 00:35:57 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
Frequently asked questions about 1850 Williams St
- What is 1850 Williams St estimated to be worth?Trulia's estimated value for 1850 Williams St in Simi Valley, CA is $5,798,800.
- What is the price history for 1850 Williams St?1850 Williams St in Simi Valley, CA last sold for $5,700,000 in September 2025.
- Is Simi Valley a buyer's or seller's market?Simi Valley is currently a balanced market, based on recent for-sale activity.
- What's the median sale price in Simi Valley?The median sale price in Simi Valley is $808K. That is down $16.67K from the prior month.
- Does 1850 Williams St have laundry facilities?Yes, 1850 Williams St in Simi Valley, CA has laundry facilities.
- Does 1850 Williams St have parking?Yes, 1850 Williams St in Simi Valley, CA has on-site parking.