St. Mary's (MD) Investor Pulse Report (2026-Q1)

In St. Mary's County, investors hold a significant 14.4% of the single-family residential market, totaling 5,035 properties out of 34,946 total SFRs.

The investor landscape is overwhelmingly characterized by individual ownership. Individuals own 4,186 properties, or 83.1% of the investor-owned total, compared to just 938 properties (18.6%) owned by companies.

This individual dominance is even more pronounced when looking at entity counts, with 5,805 individual landlords compared to 536 company landlords, a ratio of nearly 11 to 1.

Cash is the preferred acquisition method for investors in the county. Portfolios contain 3,124 cash-bought properties, far exceeding the 1,911 properties that are financed, indicating a well-capitalized investor base.

The primary strategy for these landlords is clear, as 4,941 properties, or 98.1% of their holdings, are actively rented or otherwise non-owner-occupied, underscoring the focus on generating rental income.

Investors in St. Mary's County demonstrate a consistent ability to acquire properties below market rates paid by traditional homebuyers. In the first quarter of 2026, landlords paid an average of $385,357, which is $92,917, or 19.4%, less than the $478,274 paid by homeowners.

This significant discount is not a recent phenomenon but a persistent market pattern. In Q3 2025, the gap was even more dramatic, with landlords paying 34.8% less ($307,600 vs. $471,809). Similarly, in Q2 2025, they enjoyed an 18.8% discount ($393,176 vs. $484,004).

The data reveals substantial price appreciation in the market since the pandemic-era boom. The average investor acquisition price from 2020-2023 was $314,166, which rose to $364,436 in 2024 and stood at $347,909 for 2025.

The consistent price gap suggests that landlords, through various strategies like off-market deals or purchasing properties requiring renovation, are more effective at securing lower purchase prices than the general home-buying public.

Investor activity accounted for 14.4% of the St. Mary's County market in Q4 2025, with landlords acquiring 41 of the 285 total SFRs sold.

The small-scale real estate investing community is the primary driver of new acquisitions. Mom-and-pop landlords, owning between 1 and 10 properties, were responsible for 27 purchases, or 64.3% of all investor buying activity.

New entrants are a significant force in the market. In the last quarter, 20 new single-property landlord entities entered the market, acquiring 16 properties and making up 38.1% of all investor purchases.

Mid-size investors also showed notable activity. The 'small-medium' tier (11-20 properties) was the second most active, with 4 entities purchasing 8 properties, representing 19.0% of the quarterly total.

Institutional investors with portfolios of over 1,000 properties had a minimal presence, with 2 entities acquiring just 4 properties (9.5%), reinforcing that market activity is concentrated among smaller operators.

The ownership structure in St. Mary's County is defined by small, local investors. Mom-and-pop landlords (Tiers 01-04, holding 1-10 properties) control a commanding 94.3% of the investor-owned SFR market.

First-time or single-property investors form the bedrock of this market. Landlords in Tier 01 alone own 3,868 properties, which accounts for 73.8% of all investor-owned homes in the county.

In stark contrast to the concentration at the small end of the market, institutional ownership is almost non-existent. The institutional tier (1000+ properties) holds only 14 properties, a fractional 0.3% of the investor portfolio.

The combined 'mid-size' landlord tiers (11-1000 properties) also hold a relatively small share, collectively owning 285 properties, or just 5.4% of the market.

This distribution challenges the common narrative of large corporations dominating the rental market, revealing instead a landscape built almost entirely on the activity of small-scale, local landlords.

Individual investors form the foundation of the market, owning 91.4% of all single-property landlord portfolios (3,599 properties) and 79.3% of two-property portfolios (344 properties).

A distinct crossover point occurs as portfolios grow. In the 6-10 property tier, companies take majority control for the first time, owning 85 properties (60.3%) compared to the 56 properties (39.7%) held by individuals.

Company ownership becomes nearly absolute in the mid-size tiers. For landlords with 11-20 properties, companies own 50 units (96.2%), and for those with 21-50 properties, they own 46 units (97.9%).

This pattern shows a clear tendency for investors to incorporate as their portfolios scale, likely for liability protection and operational efficiency.

Even with this shift in larger tiers, the overall market remains dominated by individuals due to the sheer volume of smaller landlords, who own 4,186 of the 5,035 total investor properties (83.1%).

Geographic analysis reveals significant concentration of investor properties within specific zip codes in St. Mary's County. The top five zip codes by count (20653, 20619, 20650, 20659, 20636) collectively hold 3,472 properties, representing 68.9% of all investor-owned SFRs in the county.

The 20653 zip code is the epicenter of investor ownership by volume, with 1,015 properties, where the investor ownership rate is 16.5%.

However, the highest concentrations of investor ownership by market share are found elsewhere. The 20687 zip code leads with a 44.0% investor ownership rate, followed by 20626 (40.1%) and 20686 (38.5%).

This divergence between high-volume and high-penetration areas indicates different market dynamics. High-volume areas like 20653 may represent larger, more populous regions, while high-penetration areas like 20687 suggest smaller markets that are particularly attractive to investors.

The top two areas by count, 20653 (1,015 properties) and 20619 (768 properties), both feature similar high investor ownership rates of 16.5% and 16.3% respectively, showing them to be core hubs for market reports.

Landlords in St. Mary's County are consistently expanding their portfolios, acting as net buyers across all recent timeframes. In Q1 2026, they purchased 51 SFRs while selling only 23, resulting in a net acquisition of 28 properties.

This trend of accumulation was even stronger in previous periods. In 2025, landlords added a net of 156 properties (242 buys vs. 86 sells), and in 2024, they added a net of 231 properties (332 buys vs. 101 sells).

A significant divergence emerges when analyzing institutional investors (1000+ tier). In Q1 2026, this cohort was a net seller, acquiring 4 properties but divesting 5. This marks a reversal from 2025 when they were net buyers, but continues a trend from 2024 when they were also net sellers (5 buys vs 11 sells).

This contrast indicates that while small and mid-size landlords continue to invest and grow in the county, the largest institutional players are strategically reducing their footprint.

The data suggests a market where smaller, local investors are absorbing properties, including some potentially divested by larger institutions, shaping the ownership landscape.

In Q1, landlords participated in 51 of the 407 total SFR transactions, capturing a 12.5% share of market activity.

Transaction volume was highest among the smallest investors. New, single-property landlords (Tier 01) led activity with 20 transactions, reinforcing that market entry by new investors is a primary driver of demand.

A clear pricing hierarchy exists among different investor tiers. Institutional investors (Tier 09) paid an average of $343,282 per property, which is 19.0% less than the $423,612 average paid by new single-property landlords (Tier 01), suggesting institutional buyers target different assets or have greater purchasing power.

Interestingly, the highest prices were paid by mid-size investors in the 11-20 property tier, who averaged $625,500 per purchase, indicating a strategy focused on higher-value properties.

Inter-landlord transactions show that the market has internal liquidity. Investors in the 11-20 property tier were most likely to buy from other landlords, with 37.5% of their purchases (3 out of 8) coming from an existing investor.