Andover Properties closed a two-facility self-storage portfolio in the Denver metropolitan area in early June 2026, adding 155,500 net rentable square feet and 1,790 units across Denver and Lakewood, Colorado. The private operator announced the deal on June 9, 2026, rebranding both assets under Storage King USA and pushing its national footprint past 170 facilities and 14 million square feet in 20 states.
The transaction is a Mountain West institutional buy at a moment when Public Storage's $10.5 billion bid for National Storage Affiliates dominates REIT headlines. Andover is doing what it has done for two decades: acquire cash-flowing suburban assets from non-institutional sellers and run them through a centralized operating platform.
What Did Andover Actually Acquire?
The portfolio spans two purpose-built facilities:
- 4501 Washington Street, Denver: Built in 2018. Predominantly climate-controlled storage with select drive-up units.
- 9720 West Colfax Avenue, Lakewood: Built in 2017. Climate-controlled product in a supply-constrained submarket west of downtown Denver.
Both properties are institutional-grade assets in growing urban corridors, not legacy conversions or lease-up specials. Andover described the neighborhoods as expanding quickly with long-term demand fundamentals intact.
Brian Cohen, president and CEO of Andover Properties, framed the pricing thesis directly.
These two assets represent a compelling opportunity to acquire high quality, institutional assets well below replacement cost. Both neighborhoods are growing quickly and we anticipate these assets having great long term potential.
The quote matters for underwriting. Andover is not buying distressed lease-up. It is buying newer-vintage product at a basis that undercuts what it would cost to build comparable square footage today, a recurring theme in 2026 when construction starts are down 29% year over year nationally and entitlement friction keeps replacement costs elevated in primary metros.
Why Does the Denver Metro Pair Fit Storage King USA's Playbook?
Andover's acquisition cadence in 2026 has been relentless. The Denver closing followed the May 2026 Garner, North Carolina buy (54,000 net rentable square feet, 487 units) and sits alongside January's Cary, North Carolina acquisition from a former Extra Space location.
The Cohen brothers' model stacks geographic density without waiting for portfolio auctions:
- Platform scale: 170-plus facilities, 14 million-plus square feet, Storage King USA brand across 20 states
- Operational lift: 24/7 call center, centralized revenue management, institutional marketing stack applied to mom-and-pop sellers
- Selective geography: Supply-constrained submarkets where household formation and housing costs push off-site storage demand
Colorado fits the pattern. Denver and Lakewood sit in a corridor where new self-storage development faces zoning resistance and elevated land costs, while population growth continues pushing storage demand into established suburban nodes. Andover already operated Colorado Springs assets before this deal. The Denver metro pair adds urban infill exposure without betting on downtown conversion risk.
Inside Self-Storage's June 2026 acquisitions roundup documented the Garner transaction alongside Merit Hill Capital's $12.35 million Westborough, Massachusetts purchase and U-Haul's State College, Pennsylvania buy. The Denver portfolio represents the next tier up in deal size: nearly 1,800 units in a single closing, not a one-off suburban asset.
Who Is Competing for Assets Like These in 2026?
The buyer universe for two-facility institutional packages in Mountain West markets includes:
- Private roll-ups: Andover, Merit Hill Capital, StorageMart-affiliated platforms, and Angelo Gordon-backed partnerships
- Public REITs: CubeSmart, Extra Space, and Public Storage remain active but face public-private valuation gaps that push some institutional capital toward joint ventures rather than wholly owned mid-market buys
- Regional family offices: Sellers who built 2017-2018 vintage facilities and want liquidity without a full portfolio auction
SkyView Advisors' Q1 2026 industry report noted that wholly owned REIT acquisitions remain challenging due to valuation gaps, with institutional capital increasingly deploying through joint ventures like CubeSmart's $250 million CBRE IM partnership. That leaves room for private operators who can close quickly on two-asset packages without shareholder approval cycles.
Crittenden Report survey data from 40 industry experts found 56% expect little to no cap rate movement through mid-2026. In that environment, buyers who underwrite operational upside rather than multiple expansion win mid-market deals. Cohen's "below replacement cost" framing is exactly that: buy basis, improve operations, hold through normalization.
What Should Sellers and Brokers Take From the Denver Closing?
Platform buyers pay for operating density and vintage quality. Andover did not need another standalone 30,000-square-foot facility. It needed 1,790 units in supply-constrained Denver submarkets where replacement cost exceeds acquisition basis.
Cross-market execution is the differentiator. Andover closed Garner in May, Denver in June, and continues marketing Storage King USA expansion on its corporate site. This is programmatic deployment across Southeast and Mountain West corridors, not opportunistic one-offs.
Sellers evaluating exit timing should widen the buyer list beyond REITs. Andover writes checks for multi-asset institutional packages while running a brand tenants recognize when the sign changes. Family owners with 2015-plus vintage facilities in growing metros have a bid that did not exist at 2022 peak pricing.
The Numbers Worth Writing Down
- Portfolio size: 2 facilities; 155,500 net rentable square feet; 1,790 units
- Locations: 4501 Washington Street, Denver (built 2018); 9720 West Colfax Avenue, Lakewood (built 2017)
- Announcement date: June 9, 2026
- Buyer: Andover Properties / Storage King USA
- Andover national footprint post-close: 170-plus facilities; 14 million-plus square feet; 20 states
- Pricing thesis: Institutional assets below replacement cost in supply-constrained submarkets
- Comparable 2026 Andover deals: Garner, NC (487 units, May 2026); Cary, NC (62,000 NRSF, January 2026)
Private Capital Still Owns the Middle Market
The Denver metro closing will not make CNBC. It should still matter to every operator running 200 to 2,000 units in a growing MSA. Public Storage is stacking NSA affiliates. Andover is stacking Storage King USA locations one portfolio at a time.
In a year when REITs debate joint ventures because wholly owned deals do not pencil at public-company hurdle rates, private roll-ups keep finding institutional vintage assets where operational lift closes the return gap. The Denver and Lakewood facilities are proof that the middle market still trades, and the buyers writing the checks are not waiting for cap rates to collapse.
Sources
- Andover Properties Acquires Two-Property Self Storage Portfolio in Denver Metro Area, Andover Properties
- Andover Properties Acquires Self Storage Facility in Garner, NC, Andover Properties
- Self-Storage Real Estate Acquisitions and Sales: June 2026, Inside Self-Storage
- Q1 2026 Self-Storage Market Trends, SkyView Advisors
- Self storage in 2026: Stability and optimism, The Crittenden Report