$175,000
Est. $969/mo3 bd•1 ba•924 sq ft
375 Union Avenue SE #20, Renton, WA 98059
• Listed Sep 30, 2026•22 days active · 22 cumulative
Listing Broker: NW Casas Realty; Karen Martinez; 206-612-7447; Karennwcasasrealty@gmail.com
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Listing Broker: NW Casas Realty; Karen Martinez; 206-612-7447; Karennwcasasrealty@gmail.com
About this home
Welcome to Sunnydale Mobile Home Park, a desirable all-ages community conveniently located in Renton. This beautifully updated, move-in ready manufactured home offers 3 bedrooms and 1 bathroom, featuring extensive recent improvements including a new roof, fresh interior and exterior paint, new flooring throughout, and a fully remodeled bathroom. The open-concept layout maximizes space and functionality, creating a comfortable and inviting living environment. Additional features include covered parking for two vehicles and low-maintenance living. Seller offering a $2,000 credit toward kitchen cabinet updates with an acceptable offer. Space rent is $1,225.00/ Month. Conveniently located near shopping, dining, schools, and major commuter routes. Park approval is required for all buyers. Virtually staged photo for illustrative purposes only. Furniture and décor shown are digitally added and are not included in the sale.
Listed by Karen Martinez • NW Casas Realty
Listing updated: October 10, 2026 at 09:18am
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2583059
Around this home
How much should you offer?
375 Union Avenue SE #20, Renton, WA 98059
Source:RexMont analysis of Northwest MLS sales data for this ZIP code plus third-party market data (RentCast). The estimates are RexMont's, not Northwest MLS listing data.
Estimates only and not guaranteed. Consult a RexMont agent for accurate, personalized guidance before making an offer. RexMont OfferEdge™ · © 2026 RexMont Real Estate. Proprietary tool.
Property details
Interior features
- Water Heater
Kitchen
- See Remarks
Bedrooms
- 3 bedrooms total
Bathrooms
- 1 full bathroom
Layout
- Manuf-Single Wide
Flooring
- Laminate
Heating & cooling
- Radiant heating
- None cooling
Schools
Ratings via SchoolDigger- Maplewood Heights Elementary SchoolPublic · Grades K-5 · 0.9 mi · State rank 108 of 1,13810/10
- McKnight Middle SchoolPublic · Grades 6-8 · 2.0 mi · State rank 256 of 5146/10
- Renton Technical High SchoolPublic · Grades 11-12 · 0.9 mi—
Schools shown are the nearest public Elementary, Middle, and High school for this property and may not be the assigned schools. Verify attendance boundaries with the district before purchasing.
Manufactured home facts
As entered by the listing broker on Northwest MLS
Systems
- Energy source
- Electric
- Power production
- Electric
- Water heater
- Tankless
- Water heater location
- Hallway
- Power company
- Puget Sound Energy
- Gas company
- Puget Sound Energy
- Irrigation water rights
- No
Rooms & extras
- Showers
- 1
New construction
- Square footage source
- Tax affidavit
Manufactured home
- Make
- CASMB
- Model
- 6614
- Serial number
- 8378
- Body type
- Single Wide
- Built after June 15, 1976
- Yes
- Park
- Sunnydale
- Homes in park
- 188
- Park amenities
- Common Area
- Space rent includes
- See Remarks
- Land lease amount
- $1,225
- Park approved for sale
- Yes
- Labor & Industries inspected
- No
Neighborhood mobility
Doorstep, Pedal & Station Scores
Three RexMont scores for this exact address: what is on foot, what is by bike, and what rides past the door.
Ground Truth™
The ground, the slope, the flood zone and the noise at this address
Read from public hazard, flood, terrain and noise maps for this exact home.
Address Insider™
The members' report
Commute, transit, zoning and ADU potential, internet providers and the lifestyle around the home: the nearest grocery, coffee, park, services and transit stop. One free registration opens every home on rexmont.com.
Opens with the report above.
Down payment assistance
6 programs may be available to provide you with up to $55,000 in down payment assistance, depending on your specific information.
Source: program list compiled by RexMont from ARCH (A Regional Coalition for Housing) member-jurisdiction information. This is not Northwest MLS listing data.
Mortgage payment forecast
$1,025 per month
Great rateTakes about 5 minutes & won't affect your credit
Get pre-approvedSource: RexMont estimate, not Northwest MLS listing data. Interest rates from Freddie Mac's Primary Mortgage Market Survey via FRED (Federal Reserve Bank of St. Louis). Property tax and HOA dues from the NWMLS listing where provided, otherwise estimated; insurance estimated at 0.3% of price per year.
Estimate only. Actual payment depends on credit, lender, and program. PMI not included for down payments below 20%.
Ask about this home
A licensed RexMont broker will get back to you, usually in under 5 minutes during business hours.
Listing Broker: NW Casas Realty; Karen Martinez; 206-612-7447; Karennwcasasrealty@gmail.com
Market pulse
Renton is a balanced market.
Supply and demand are roughly in balance. Neither side has a clear edge.
Offer insight: Homes typically sell with one offer near asking price.
List to sale price: The average home sells for about 1% below list price.
Time on market: The average home goes pending in around 64 days.
Recent sales nearby
Within 1 mile · last 6 months$1,060,000 Sold
3 days ago
4 bd•2.5 ba•~2,509 sq ft•Single Family
254 Elma Court NE, Renton, WA 98059
6%
Under list
158
Days on market
0.8 mi
Distance
$230,000 Sold
6 days ago
3 bd•1.75 ba•Single Family
375 Union Avenue SE #68, Renton, WA 98059
6%
Under list
23
Days on market
0.1 mi
Distance
$1,300,000 Sold
1 week ago
4 bd•3.5 ba•~3,030 sq ft•Single Family
5218 NE 2nd Place, Renton, WA 98059
4%
Over list
27
Days on market
1.0 mi
Distance
$700,000 Sold
2 weeks ago
3 bd•2.25 ba•~1,750 sq ft•Single Family
4611 NE 5th Place, Renton, WA 98059
2%
Under list
66
Days on market
0.9 mi
Distance
$845,000 Sold
7 weeks ago
4 bd•2.25 ba•~2,190 sq ft•Single Family
4335 NE 2nd Ct, Renton, WA 98059
0%
Over list
84
Days on market
0.6 mi
Distance
Closed sales from MLS GRID / NWMLS within the past 6 months, matched on property type and within 1 mile. Comps approximate.
Want a deeper read on this market?
Ask a RexMont agentMarket data from MLS GRID / NWMLS · Updated Oct 2026
Information and statistics derived from Northwest Multiple Listing Service. Source: Northwest Multiple Listing Service, as distributed by MLS GRID.
MLS GRID Disclaimer
Based on information submitted to the MLS GRID as of October 22, 2026 at 9:09 AM PT (date and time MLS GRID Data was obtained). All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Listing information courtesy of Northwest Multiple Listing Service (NWMLS). The listing data relating to real estate for sale on this web site comes in part from the Northwest Multiple Listing Service. Real estate listings held by brokerage firms other than RexMont Real Estate are marked with the “Listing courtesy of NWMLS” designation. Information provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
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