What Should You Build? Comparing Self Storage, Contractor Bays, Car Washes, Laundromats, Flex Space & RV Parks (2026)
The OppMap Method
Most investors pick an asset class, then look for a market to justify it. The approach that produces better outcomes works the other way: analyze the market first, then determine which investment that market actually supports. This guide covers all six asset types OppMap screens — and the demand signals that separate a strong fit from a forced one.
Most investors ask the wrong opening question. Should I build self storage? Should I build a car wash? Should I build contractor bays? These are reasonable questions, but they start from the wrong end of the problem.
The better question is: what does this market actually need?
A self-storage facility can perform exceptionally well in one city while struggling just thirty miles away under nearly identical conditions. A rural community near a national park may support a profitable RV park with a 12-month waiting list but never generate enough daily traffic for a tunnel car wash. A fast-growing construction market with hundreds of tradespeople may have far more demand for contractor bays than another retail center ever will.
This guide compares six common small commercial development types, explains the market characteristics that support each one, and shows how to use OppMap's market screener to match the right project to the right place before spending serious time or capital.
The Six Types at a Glance
Before going deep on each asset class, here's how they compare across the dimensions that matter most to a developer evaluating markets.
| Asset Type | Key Demand Driver | Typical Cost | Management | Primary Risk |
|---|---|---|---|---|
Self Storage | Household growth | $45–$75 / SF | Low | Pipeline oversupply |
Contractor Bays | Business formation | $90–$150 / SF | Low | Tenant concentration |
Flex / Storefront | Business density | $140–$220 / SF | Medium | Tenant improvement costs |
Car Wash | Traffic counts (ADT) | $600k–$4M total | Low | Site traffic dependency |
Laundromat | Renter concentration | $400k–$900k total | Medium | Equipment & utility costs |
RV Park | Tourism & recreation | $15–$40 / SF site | Medium | Seasonality & zoning |
Why Market Selection Beats Asset Selection
Before comparing asset classes, it's worth internalizing one principle that separates disciplined investors from those who chase trends: markets create successful projects, not the other way around.
Every asset class responds to specific demand drivers. A car wash needs daily traffic volume. A laundromat needs renters. An RV park needs tourists. A contractor bay facility needs working tradespeople who need to store equipment and materials. When the underlying demand driver is present and underserved, almost any reasonably executed project in that asset class will perform. When it's absent, no amount of execution will compensate.
This is why understanding your market first — its population, income, business composition, and existing competition — produces better outcomes than starting with an asset preference and then finding a market to justify it. It's also the core principle behind how commercial real estate location analysis is done by experienced developers.
Self Storage
Self Storage / RV Storage
$45–$75 / SF · Low managementStrong demand signals
- Population growth above 3% over 5 years
- High household mobility — people moving in or out
- Residential construction activity nearby
- Military bases or university enrollment
- Below 7 SF of storage per capita in the market
- Rural character supporting vehicle/RV storage
Watch for
- Markets above 10–12 SF per capita without population growth
- Multiple competing projects in permitting or construction
- Declining or flat population trajectory
- Very low median income limiting achievable rents
Best fit profile
Growing secondary cities, military communities, college towns, rural markets with RV and boat ownership culture. Investors seeking lower-management, long-hold commercial assets.
Don't build this if...
Self storage is the most data-rich of the six asset classes, with national benchmarks published by the Self Storage Association. The commonly cited healthy range is 7–9 square feet of storage per capita, though Mountain West and Southeast markets routinely support more due to outdoor recreation culture and household mobility patterns. Market screening tools like OppMap use SF/capita alongside occupancy signals to flag markets worth investigating. Markets like Kalispell, MT and Sheridan, WY are good examples of secondary markets where supply is still below the national average. See the full supply analysis framework in How to Evaluate Self-Storage Markets.
Contractor Bays & Small Warehouses
Contractor Bays / Small-Bay Warehouse
$90–$150 / SF · Low managementStrong demand signals
- High concentration of specialty trade contractors (NAICS 238)
- Active residential and commercial construction market
- Growing small business formation rate
- Low industrial vacancy in the region
- Limited existing small-bay product (1,000–3,000 SF units)
- Rural character with equipment-intensive industries
Watch for
- Construction slowdown or permit declines
- High general industrial vacancy in the market
- Single-employer economy with concentrated risk
- Very small population limiting tenant pool
Best fit profile
Fast-growing secondary markets, trades-heavy communities, regional service hubs. Developers comfortable managing small business tenants with diverse industries.
Don't build this if...
Contractor bay demand is directly tied to the trades workforce — plumbers, electricians, HVAC technicians, general contractors, and similar businesses that need a place to park vehicles, store materials, and run field operations. Census County Business Patterns data (NAICS 238 — Specialty Trade Contractors) gives you the best county-level proxy for this demand, and is one of the primary signals used in OppMap’s market screening for this asset type. Billings, MT and Midland, TX consistently rank high on contractor bay market screening due to their industrial economies. Read the full framework in the Contractor Bay Investment Guide.
Storefront & Flex Commercial Space
Storefront / Flex Commercial Space
$140–$220 / SF · Medium managementStrong demand signals
- Strong small business formation rate
- Healthcare, professional services, or personal services growth
- Low commercial vacancy rate citywide
- Growing population with above-average household income
- Limited affordable small-unit commercial inventory
- Retail expansion or underserved neighborhood commercial corridors
Watch for
- High general commercial vacancy (above 10–12%)
- Single-industry economy that could contract
- Multiple competing flex projects in the pipeline
- Below-average income limiting tenant viability
Best fit profile
Expanding suburban corridors, healthcare and professional services growth markets, mixed-use developments. Investors seeking diversified tenant income with multiple exit strategies.
Don't build this if...
Flex space is the broadest category — it can support yoga studios, coffee shops, medical offices, law firms, insurance agencies, salons, and dozens of other small business types. That flexibility is its biggest advantage and also its primary underwriting challenge: the tenant pool is wide, but income levels and local business formation rates determine whether those tenants can actually sustain operations. Bend, OR and Huntsville, AL are markets where flex commercial market screening shows strong signals driven by tech migration and professional services growth. See revenue model considerations in Flex Space Revenue Models.
Car Washes
Car Wash (Express Tunnel or Self-Service)
$600k–$4M+ total · Low managementStrong demand signals
- High average daily traffic (ADT) on the site's road — 25,000+ for a tunnel wash
- Growing population with above-average household income
- High vehicle ownership rates (suburban and rural markets)
- Limited competing washes within a 2–3 mile radius
- Corner lot or high-visibility site with easy ingress/egress
- Growing commuter patterns or new residential development nearby
Watch for
- ADT data is not available from Census — must be verified locally
- Express tunnel car washes require significant upfront equipment investment
- Markets with multiple competing washes within close proximity
- Very small markets (under 10,000) may not generate sufficient volume
Best fit profile
High-traffic suburban corridors, growing commuter markets, areas with above-average household income and strong vehicle ownership. Premium commercial frontage is often more important than market size.
Don't build this if...
Car wash is unique among the six asset classes because site selection is almost entirely a traffic story. Population density and income matter, but the single most predictive variable is average daily traffic on the road where the car wash sits. A car wash on a 40,000-vehicle-per-day corridor will outperform one on a 12,000-vehicle-per-day road in almost every market, regardless of population. State DOT traffic count data is publicly available and should be the first number you check before evaluating any car wash site — and the one signal that conventional market screening tools like OppMap flag as a data gap. Markets like Sioux Falls, SD and Chattanooga, TN have the traffic corridor characteristics and income levels that typically support car wash investment.
Express tunnel car washes have driven the industry's recent growth, with private equity rolling up regional chains into national platforms. That activity has raised entry costs in major metros but created real opportunity in secondary markets where subscription-model operators have not yet penetrated. Use the BuildGrade car wash cost calculator to estimate realistic build costs before evaluating site economics.
Laundromats
Laundromat / Coin-Operated Laundry
$400k–$900k total · Medium managementStrong demand signals
- High renter percentage (ACS B25003 — ideally 40%+ renters)
- Older housing stock with fewer in-unit washers/dryers
- Dense multifamily or apartment-heavy neighborhoods
- Workforce and lower-to-moderate income demographics
- Limited competing laundromats within walkable or short drive radius
- College enrollment or military populations nearby
Watch for
- High-income markets with mostly owned homes and in-unit laundry
- Markets where new multifamily buildings all include in-unit machines
- High utility costs (water, gas, electric) in the region
- Deferred equipment replacement in a valuation — machines are the asset
Best fit profile
Urban and inner-suburban markets with high renter density, older housing stock, and lower-to-moderate income demographics. College towns and military communities. Investors who want a smaller initial footprint with predictable recurring revenue.
Don't build this if...
The laundromat is often underrated as a commercial investment because it doesn't look glamorous. But the underlying economics are compelling: customers pay at point of service, there are no receivables, no tenant negotiations, and demand is largely non-discretionary. The Census American Community Survey Table B25047 (plumbing facilities) and B25040 (house heating fuel — a proxy for older housing stock) give you the best publicly available demand proxies short of a direct market survey.
RV Parks
RV Park / Campground
$15–$40 / SF site work · Medium managementStrong demand signals
- Proximity to national parks, forests, or major recreation areas
- Tourism growth and existing lodging occupancy above 75%
- Highway corridor location with adequate site access
- Limited existing RV park inventory in the region
- Above-average household income in the origin market (RV owners)
- Seasonal population spikes from outdoor recreation
Watch for
- Seasonal demand creating 4–6 month occupancy windows in colder climates
- Utility infrastructure (water, sewer, power) can be costly on raw rural land
- Zoning and conditional use permits vary significantly by county
- Fully urban markets with no recreation draw — no demand without a destination
Best fit profile
Rural recreation markets, highway corridors adjacent to national parks and forests, Mountain West, Pacific Northwest, and Southeast outdoor tourism regions. Investors comfortable with larger land footprints and seasonal cash flow patterns.
Don't build this if...
RV park demand in the U.S. has grown significantly as RV ownership surged during and after 2020. The RV Industry Association estimates roughly 11 million households own an RV, with ownership concentrated in the Midwest, Mountain West, and South. Markets like Flagstaff, AZ, Rapid City, SD, and Kalispell, MT all score well on RV park market screening due to proximity to major recreation destinations and documented campground shortages in peak season. The cash flow pattern is seasonal but the land play often has long-term upside that traditional commercial development does not.
Can One Market Support Multiple Opportunities?
Yes — and this is one of the more valuable insights that comes from running a full market screening across all six asset types at once rather than evaluating a single asset class in isolation. Different types have different demand drivers, so the same market can score well on two or three types while being a weak fit for others.
Two contrasting examples illustrate this well.
Fastest-growing Midwest metro · 200k population · Diverse economy
Grand Canyon gateway + NAU · 76k population · Tourism-driven
The takeaway:Two markets with completely different investment profiles — Sioux Falls is a strong car wash and contractor bay market, Flagstaff is a strong RV park and storage market. Running a full market screening across all six types surfaces these distinctions immediately, rather than after you've already committed to researching a single asset class.
So Which One Should You Build?
There is no universal winner. The right investment depends entirely on what your specific market supports, not on which asset class has produced the best national returns recently.
Market Characteristics → Best Fit Asset
Growing secondary city, rising household count, limited storage competition
Self StorageActive construction market, strong trades workforce, low industrial vacancy
Contractor BaysExpanding suburb, strong business formation, above-average income
Flex / StorefrontHigh-traffic corridor (25k+ ADT), growing suburb, above-average income
Car WashDense rental housing, workforce demographics, older housing stock
LaundromatRural tourism region, recreation corridor, limited campground supply
RV ParkMost markets don't fit perfectly into a single category. The goal of this framework isn't to produce a single answer — it's to eliminate weak fits early so you can focus time and due diligence on the one or two types that actually align with what the market can support.
Forcing the wrong project into the wrong market is one of the fastest ways to create an underperforming commercial investment. A laundromat in a high-income owner-occupied suburb will struggle regardless of how well it's executed. A contractor bay facility in a market with no construction activity will sit vacant. Understanding the demand structure first changes the entire conversation. See how this connects to broader market saturation analysis and location selection principles.
How OppMap Helps You Find the Right Match
OppMap was built around this exact problem. Rather than starting with an asset class preference and working backward to justify it, OppMap starts with the market and scores all six asset types simultaneously — showing you which opportunities the data actually supports.
The screener pulls population, household, income, and competition data for any U.S. city and returns a 0–100 score for each asset type based on demand signals, supply depth, construction cost assumptions, and risk factors. The result isn't a recommendation — it's a prioritized starting point that tells you which opportunities are worth spending serious time on before committing to site visits, feasibility studies, or land negotiations.
Screen the Market
OppMapCompare multiple cities across all six asset types. Identify where demand signals outpace supply. Eliminate weak markets before spending time on deeper research.
Estimate Development Costs
BuildGradeUse BuildGrade to estimate realistic construction costs based on building type, finish level, and regional cost index. Know your basis before you evaluate returns.
Model the Investment
DealForgeRun the full underwrite in DealForge — financing, DSCR, NOI, cash-on-cash return, and sensitivity analysis. Each step in the pipeline answers a distinct question.
Related Reading
Go deeper on individual asset classes or the market analysis framework:
Frequently Asked Questions
Which small commercial investment has the lowest management requirements?
Self storage and express car washes both operate with minimal staffing once stabilized. Self storage is largely passive at full occupancy. Modern express car washes use automation and run with small crews. Contractor bays and laundromats typically require slightly more active management due to tenant relationships and equipment maintenance respectively.
Is a car wash a good investment in 2026?
Express car washes have been one of the strongest-performing commercial real estate categories in recent years, driven by private equity consolidation and subscription model adoption. The key variable is site selection — specifically average daily traffic (ADT) on the road. A high-traffic location in a growing suburban market with above-average household income is the ideal profile. Population alone is not sufficient without traffic data.
What is the most recession-resistant small commercial investment?
Self storage and laundromats are often cited as among the most recession-resistant commercial asset types. During downturns, people downsize homes (creating storage demand) and cut discretionary spending (making coin laundry more attractive). Neither is fully recession-proof, but both tend to show more stable demand than hospitality or retail-dependent assets.
How much does it cost to build a small car wash?
A self-service car wash typically runs $500,000–$1.5 million depending on the number of bays and equipment quality. An express tunnel car wash — the format driving the industry's recent growth — typically costs $1.5–$4 million including land, equipment, and site work. Costs vary significantly by region, site complexity, and tunnel length.
What market is best for an RV park?
RV parks perform best near tourism destinations, national parks, major outdoor recreation areas, and along highway corridors connecting those destinations. Secondary markets in the Mountain West, Pacific Northwest, and Southeast with strong outdoor recreation economies tend to generate the strongest demand. Proximity to Interstate highways increases both occupancy and average stay.
How do I know which investment fits my specific market?
The best approach is to analyze your market against the demand signals for each asset type rather than choosing an asset class first and then finding a market to justify it. OppMap's screener evaluates population, income, competition, and local demand drivers across all six asset types simultaneously, scoring each on a 0–100 scale so you can compare opportunities side by side.
Find the Right Investment for Your Market
OppMap screens all six asset types across population, competition, income, and demand signals in any U.S. city — free market screening in under 60 seconds.
Screen Your Market