Maine multifamily cap evidence and operating comparisons
The useful benchmark is one that matches the property’s geography, income basis, condition and buyer pool. Cap rate is annual net operating income (NOI) divided by price, before financing. A county gross rent-to-value index is a different measure.
Four county operating markets, not four cap rates
Q2 2026 · Colliers tracked multifamily · Occupancy (%)
| Observation | Percent |
|---|---|
| York | 94.80% |
| Cumberland | 96.20% |
| Androscoggin | 95.20% |
| Kennebec | 98.30% |
| Geography / measure | Reported result | Observation period | Basis and source |
|---|---|---|---|
| Maine tracked occupancy | 96.0% | Q2 2026 | Physical occupancy Colliers Maine multifamily midyear 2026 |
| York occupancy / monthly rent | 94.8% / $1,951 | Q2 2026 | Average rent; convention undisclosed Colliers Maine multifamily midyear 2026 |
| Cumberland occupancy / monthly rent | 96.2% / $1,982 | Q2 2026 | Average rent; convention undisclosed Colliers Maine multifamily midyear 2026 |
| Androscoggin occupancy / monthly rent | 95.2% / $1,273 | Q2 2026 | Average rent; convention undisclosed Colliers Maine multifamily midyear 2026 |
| Kennebec occupancy / monthly rent | 98.3% / $1,254 | Q2 2026 | Average rent; convention undisclosed Colliers Maine multifamily midyear 2026 |
A total sale count is not necessarily the number of sales with disclosed caps. Published averages, medians, asking yields, modeled references and professional surveys are different statistics. Undisclosed weighting or NOI conventions prevent a reliable statewide average and like-for-like appraisal. Two publishers using the same provider do not create independent confirmation.
What changes the underwriting locally?
Use local operating evidence to decide which property assumption needs verification next. Each interpretation below is conditional editorial analysis, not a measured cap-rate forecast.
Portland and Cumberland: legal rent comes before market rent
Reported evidence: Cumberland occupancy was 96.2%, with a $1,982 county average monthly rent. The geography is broader than Portland city. Colliers Maine multifamily midyear 2026
Local underwriting mechanism: Portland has local rental registration and rent-control rules. A county rent reference cannot establish a unit’s permissible increase or an exemption.
RentalCalcs interpretation: Stable leasing can support durable income; value should use documented lawful rent and realistic turnover timing.
What would change the view, and what to obtain?
Contrary evidence: An unsupported exemption, unresolved registration or smaller permissible increase would invalidate seller mark-to-market NOI.
Property decision: Obtain unit rent histories and registration/exemption support. Confirm applicable rules with local counsel before paying for a renovation premium.

York: annual leases need an annual comparable set
Reported evidence: York’s 94.8% occupancy was below the three other county observations in this report. Colliers Maine multifamily midyear 2026
Local underwriting mechanism: A coastal or commuter acquisition needs matching lease duration and utility obligations. A vacation-season rate cannot be annualized into ordinary apartment income; inland York and a coastal address are not interchangeable.
RentalCalcs interpretation: Stabilization after concessions and turnover is more defensible than assuming every unit reaches Cumberland’s rent level.
What would change the view, and what to obtain?
Contrary evidence: Strong annual renewals in a matched group could outweigh concern based only on the county summary.
Property decision: Separate furnished/seasonal income and services from annual leases. Verify winter collections, vacancy loss and insurance terms at the address.
Lewiston–Auburn: capital cost consumes more of a lower rent base
Reported evidence: Androscoggin occupancy was 95.2%; average monthly rent was $1,273. Colliers Maine multifamily midyear 2026
Local underwriting mechanism: A roof or heating replacement of a given dollar cost consumes more years of rent when the rent base is lower. Price per unit alone hides this burden.
RentalCalcs interpretation: An apparently higher cap can compensate for work rather than produce superior recurring cash. Stabilization needs both collected income and funded components.
What would change the view, and what to obtain?
Contrary evidence: Clean system inspections, firm bids and documented after-work rents could support a stronger value than a generic older-building discount.
Property decision: Prepare the component schedule and landlord heat/water reconciliation. Put immediate work in acquisition cash and future replacements below recurring NOI.
Augusta and Kennebec: high occupancy does not measure liquidity
Reported evidence: Kennebec occupancy was 98.3%, with average monthly rent of $1,254. Colliers Maine multifamily midyear 2026
Local underwriting mechanism: Very little vacant stock does not reveal how many buyers will bid for a particular building, nor whether its unit sizes match the survey mix.
RentalCalcs interpretation: Occupancy supports income stability. Compression remains unproven without comparable sales and loan terms.
What would change the view, and what to obtain?
Contrary evidence: Concentrated lease expirations or a thin matching buyer set would weaken an occupancy-only price premium.
Property decision: Request sales matching unit count, condition and trailing NOI. Stress a long marketing period and renewed loan sizing before relying on refinancing.
Supported submarkets and the missing evidence
Bangor/Penobscot, Midcoast, Downeast and northern rural markets have no matched cap observations in this edition. No Portland, Oregon data are used. Colliers’ summary describes both falling and growing construction; no direction is inferred from the conflicting text. Its linked full report could not be extracted. A quantitative neighborhood cap is not inferred from county occupancy.
The next evidence request
Before underwriting a property, obtain a current rent roll reconciled to trailing collections, concessions and delinquency; actual operating statements; buyer tax and insurance costs; a capital inspection; and recent closed comps with documented NOI. Record why each comp matches, which costs changed after sale and whether the cap uses trailing or stabilized income.
The Maine county directory and Cumberland County cap-rate screening page serve local screening questions. Their modeled housing indexes are not a substitute for the apartment observations here. Do not copy a county index into a building’s appraisal.

Compression, stabilization or expansion?
Colliers reports stable occupancy and moderating rent growth. Boulos’ separately authored 2026 apartment outlook anticipates more balanced vacancy while refinancing and operating costs pressure some owners. These perspectives agree that strong rental demand need not produce higher investor cash yield. Their sale inputs are not harmonized; neither fills the missing comparable current cap series. CBRE adds a national professional-survey perspective.
Attributed publisher outlook
Boulos expects more modest rent growth and some motivated selling as low-rate debt matures and expenses rise; this is a late-2025 authored 2026 forecast, not observed distress. Colliers’ midyear operating summary is newer but contradictory on pipeline direction. CBRE’s national unchanged-cap majority is not a Maine probability.
Perspectives: Colliers Maine multifamily midyear 2026 · Colliers NH & ME midyear broker roundtable · CBRE H1 2026 Cap Rate Survey · The Boulos Company 2026 Maine Market Outlook, pp17–18. Related reports and shared providers are not counted as independent observations.
RentalCalcs base underwriting position: start with unchanged exit yield and verified buyer NOI. This is a conservative scenario choice, not an assertion that the state’s cap rates will stay flat. The three cases identify evidence that can change the choice; no probabilities or basis-point targets are assigned.
Compression
Lawful rent gains, funded building work and easier debt could lower required yields for dependable income.
Watch: Collections after legal increases, winter margins and binding loan quotes.
Invalidation: Projected increases are unavailable or operating costs absorb them.
Underwrite: Pay for documented income; treat compression as upside.
Stabilization
High occupancy and slower rent growth balance selective buying and recurring costs.
Watch: Renewal losses, winter expense and matching closed-sale yields.
Invalidation: Collectible NOI falls even while physical occupancy stays high.
Underwrite: Use an unchanged exit yield and separate rent and expense assumptions.
Expansion
Heat, insurance or capital needs reduce buyer NOI while debt still demands coverage.
Watch: System bids, policy terms, DSCR and marketing time.
Invalidation: Comparable buyers accept tighter normalized yields after the same cost adjustments.
Underwrite: Stress a wider exit yield and fully fund capital reserves.
Short-term policy rates do not equal property borrowing costs. Loan spreads, term, leverage and amortization affect coverage. Better physical occupancy does not guarantee stronger collected NOI; a smaller construction pipeline does not eliminate existing lease-up competition.
Translate income and yield into property value
Value = annual NOI ÷ (cap rate ÷ 100). At constant income, a higher cap means a lower value. A move from 5% to 6% is +100 basis points and reduces value by 16.7%, before debt or sale costs; it is not a 1% value decline.
A Maine evidence-to-offer process
- Verify lawful incomeReconcile Portland registration, unit rent history and applicability before projecting increases.
- Normalize winter operationsSeparate landlord heating and water from tenant obligations.
- Obtain actual sale evidenceCounty occupancy informs income; it does not supply a building cap rate.
Hypothetical assumptions. NOI change is cumulative over your chosen holding period, not an annual growth rate. Results exclude debt, sale costs, taxes and interim cash flow.
Starting value $1,846,154
Exit value $1,760,000 (-4.7%)
$120,000 starting NOI at 6.5% → $132,000 exit NOI at 7.5%. NOI must change by 15.4% to preserve starting value at this exit cap rate.
| Cumulative NOI change | 6.00% exit | 6.50% exit | 7.00% exit | 7.50% exit |
|---|---|---|---|---|
| -10% total | -2.5% | -10.0% | -16.4% | -22.0% |
| 0% total | +8.3% | 0.0% | -7.1% | -13.3% |
| +10% total | +19.2% | +10.0% | +2.1% | -4.7% |
| +20% total | +30.0% | +20.0% | +11.4% | +4.0% |
Original arithmetic, not observed local prices. This fixed matrix does not change with the tool above. NOI changes are total over the chosen holding period, not annual growth. Neither view includes debt payoff, transaction costs, sale tax or interim cash flow. Use the full calculator for those cash movements.
One acquisition, reconciled from rent roll to investor cash
The illustration uses 20 units at $1,250 monthly scheduled rent, an 8% vacancy/collection loss and independently stated buyer expenses. These are standardized teaching assumptions, not estimates of attainable Maine rent, taxes or premiums. The 6.5% entry cap is a chosen scenario, not an observed statewide recommendation.
| Line | Annual dollars |
|---|---|
| Scheduled rent: 20 × $1,250 × 12 | $300,000 |
| Vacancy and collection loss: 8% | −$24,000 |
| Collected operating income | $276,000 |
| Buyer property taxes | −$36,000 |
| Property insurance | −$18,000 |
| Management | −$13,800 |
| Recurring repairs | −$24,000 |
| Utilities and grounds | −$30,000 |
| Payroll / contract services | −$24,000 |
| Administration / compliance | −$10,200 |
| Total recurring operating expenses | −$156,000 |
| NOI, before debt and reserves | $120,000 |
Replace the illustrative costs with property evidence
Maine’s statutory tax context uses April 1. Obtain the municipality’s assessed value, adopted mill rate, exemptions and pending revaluation. A seller’s bill or county average is insufficient for the buyer budget. Maine Legislature, Title 36 §502
For Portland, obtain rental registration and rent-control applicability records. Reconcile heat and water to leases and a full winter history. Binding insurance quotes must address flood, deductibles and interruption terms. The expense allowances below are not Maine quotes.
Portland’s local rental services are a diligence starting point. Verify lawful increases, exemptions and compliance costs for the unit; a statewide rent growth figure is not legal permission.
| Measure | Reconciled result |
|---|---|
| Purchase price at 6.5% cap | $1,846,154 |
| Loan / down payment | $1,107,692 / $738,462 |
| Annual debt service | $84,016 |
| Annual replacement reserves, below NOI | $12,000 |
| Annual cash after debt and reserves | $23,984 |
| Closing cash / immediate capital work | $55,385 / $60,000 |
| Total invested cash | $853,846 = down payment + closing + immediate work |
| Cash-on-cash, before income tax | 2.81% |
| DSCR / debt yield, before reserves | 1.43× / 10.83% |
The assumed loan is not a current quote. For a hypothetical 1.25× minimum DSCR before reserves, the loan ceiling is about $1,265,687 at these terms; actual sizing also depends on LTV, debt yield and lender reserve/NOI definitions. With a full reserve deduction, DSCR becomes 1.29×. Negative cash is displayed as a loss, never hidden.
Yield on cost is separate: a hypothetical 10% higher stabilized NOI of $132,000 on price, closing and initial work of $1,961,538 produces 6.73%. It is not the going-in yield. Carrying costs and overruns would increase that cost basis; the income improvement has not been earned.
How much of the margin survives?
Additional heat and building operating costs. This adds a hypothetical recurring cost above the budget below; it is not a quote or an observed expense increase.
Buyer NOI $105,000
Value at the fixed 6.5% assumed cap $1,615,385
Annual cash after debt and reserve $8,984
DSCR before reserves: 1.25×. Value impact: −$230,769. The loan stays fixed; this is operating stress, not a refinancing calculation.
Core results and worksheet are free. Assumptions do not transfer to linked calculators; enter the actual rent roll, costs and loan terms. A tool click is separate from a completed analysis or saved deal. Sale proceeds require debt payoff, selling costs and applicable taxes.
Before relying on a Maine cap rate
What is a good cap rate?
No single yield is defensible for all of Maine. Compare matching closed-sale income, buyer expenses and work requirements, then test debt coverage and invested cash. A higher nominal cap may compensate for missing income or capital obligations rather than create a better return.
Can these apartment references price a duplex or another asset class?
There is no automatic transfer. One-to-four-unit rentals can compete with owner-occupants, while office, retail and industrial leases carry different downtime, credit and leasing-capital obligations. Use a matching sale cohort. The single-family analyzer helps build a smaller rental’s own income budget.
How should a buyer verify NOI?
Reconcile a trailing year of collections, free rent, delinquency and reimbursements to the leases and bank-backed operating statements. Replace taxes, insurance and management with buyer costs. Separate recurring repairs, immediate work and reserves. The NOI classification guide explains the expense bridge.
What if the deal depends on subsidized income or a refinance?
Verify the contract, approved rent, tenant portion, inspection and recurring compliance costs. The voucher-income valuation guide explains why a reference schedule is not contracted NOI. Refinance proceeds also depend on lender income, loan terms and payoff; higher appraised value alone does not guarantee available cash.
Take the missing evidence to the property
The free printable worksheet pairs this state’s local diligence questions with a blank income budget, sale-comp log, debt/cash reconciliation and conditional exit cases.
Open the Maine underwriting worksheetSources, lineage and update policy
Research accessed October 18, 2026. Observation periods, publication and access dates are different. The source ledger identifies known coverage and undisclosed methods. Public brokerage research has commercial interests; public availability is not unrestricted dataset republication permission. This report summarizes limited facts and contributes original comparisons and underwriting analysis.
Open the full source ledger and refresh triggers
- Colliers Maine multifamily midyear 2026
Observation: Q2 / H1 2026. Published: August 26, 2026. Accessed: October 18, 2026.
Underlying provider: Not identified in public summary; Adobe full report not extracted. Geography / property scope: Tracked Maine apartments including four named counties.
Statistic, NOI, sample, weighting and limits: Physical occupancy and average monthly rent; sample, weighting and asking/effective convention undisclosed. Construction summary contradicts itself; direction not used.
Refresh trigger: Next matching edition, correction, material financing change or local rule update; reconcile affected narrative and tables together.
- Colliers NH & ME midyear broker roundtable
Observation: Midyear 2026 commentary. Published: July 17, 2026. Accessed: October 18, 2026.
Underlying provider: Colliers brokers. Geography / property scope: NH/ME investment perspectives; cap anecdotes have no reproducible cohort.
Statistic, NOI, sample, weighting and limits: Professional commentary, not a state range or transaction series. Sample, weighting and NOI convention undisclosed; related Colliers research is not independent corroboration.
Refresh trigger: Next matching edition, correction, material financing change or local rule update; reconcile affected narrative and tables together.
- Maine Legislature, Title 36 §502
Observation: Current statute at review. Published: Page date not stated. Accessed: October 18, 2026.
Underlying provider: Maine Legislature. Geography / property scope: Maine property tax year / taxable property.
Statistic, NOI, sample, weighting and limits: April 1 tax context; actual municipal assessment, rate and exemptions needed. No acquisition-reset rule inferred.
Refresh trigger: Next matching edition, correction, material financing change or local rule update; reconcile affected narrative and tables together.
- Portland, Maine rental housing services
Observation: Current city guidance. Published: Page date not stated. Accessed: October 18, 2026.
Underlying provider: City of Portland, Maine. Geography / property scope: Residential rentals within Portland city.
Statistic, NOI, sample, weighting and limits: Annual registration and rental resources. Verify rent-control applicability and unit history separately; not statewide guidance.
Refresh trigger: Next matching edition, correction, material financing change or local rule update; reconcile affected narrative and tables together.
- CBRE H1 2026 Cap Rate Survey
Observation: June 2026 estimates and next-six-month expectations. Published: August 12, 2026. Accessed: October 18, 2026.
Underlying provider: CBRE Capital Markets and Valuation professionals. Geography / property scope: National professional survey, not a state transaction sample.
Statistic, NOI, sample, weighting and limits: Stabilized NOI / acquisition price; value-add uses enhanced stabilized NOI / price plus capital. Estimates informed by trades and investor discussions, not sale averages. State sample not inferred. Full local tables require contact form; no form submitted.
Refresh trigger: Next matching edition, correction, material financing change or local rule update; reconcile affected narrative and tables together.
- The Boulos Company 2026 Maine Market Outlook, pp17–18
Observation: Written late 2025; 2026 outlook. Published: February 2026 directory; exact day not established. Accessed: October 18, 2026.
Underlying provider: Noah Stebbins / Boulos; Maine MLS sale discussion excludes off-market transactions. Geography / property scope: Maine 5+ unit multifamily chapter, separate from other asset classes.
Statistic, NOI, sample, weighting and limits: PDF apartment narrative visually inspected. Qualitative outlook on balanced vacancy, modest rent growth, maturing debt and expense pressure. No current cap series used. Retrospective MLS sales with partial-year cutoff not compared to full-year market totals.
Refresh trigger: Next Maine apartment outlook or local financing/expense correction.
No automated build advances the editorial date. Revisit local facts and conditional conclusions together on new editions, corrections, material borrowing-cost changes or relevant operating/rule changes. First-publication dates are added only after public release.
Send a correction with the source and observation date · Maine county directory · California’s separately researched report
