Single-Family Rental Cost Segregation in Connecticut

Cost segregation on a single-family rental in Connecticut reclassifies basis from the standard 27.5-year recovery period into 5-year personal property and 15-year land improvements. Industry-typical reclassification: 15-25% to 5-year, 5-10% to 15-year, 65-78% on the long schedule.Connecticut-specific treatment: Connecticut is fully decoupled from federal bonus depreciation. The state benefit is excluded. The federal benefit remains.

The single-family rental component profile

Standard residential rental. Personal property: appliances, carpet, window treatments. Land improvements: landscaping, driveway, fences. Lower 5-year share than STR due to less furniture.

Each single-family rental property in Connecticut is analyzed for its specific component mix. The percentages above are industry midpoints. Engineered studies on a specific single-family rental can push the reclassified portion higher when the property has above-average FF&E density (renovated kitchens, high-end finishes, extensive landscaping, specialized lighting).

How Connecticut treats your federal cost seg deduction

Connecticut is fully decoupled from federal bonus depreciation. The state benefit is excluded. The federal benefit remains.

Connecticut treatment of federal bonus depreciation determines whether the cost seg benefit is purely federal or stacks with state-level savings. Coordinate with your CPA on the Connecticut addback (if applicable) before finalizing engagement.

Worked example: $750,000 single-family rental in Connecticut

On a $750,000 depreciable basis single-family rental in Connecticut acquired with a binding contract on or after January 20, 2025: cost segregation reclassifies roughly $112,500 into 5-year personal property and $37,500 into 15-year land improvements. Combined first-year deduction at 100% bonus depreciation: $150,000. Estimated federal tax savings at a 32% combined marginal rate: $48,000. At a 37% top marginal rate: $55,500.

• Depreciable basis: $750,000
• 5-year reclassification (15-25%): ~$112,500
• 15-year reclassification (5-10%): ~$37,500
• First-year deduction at 100% bonus: ~$150,000
• Estimated federal tax savings at 32% marginal: ~$48,000
• Estimated federal tax savings at 37% top marginal: ~$55,500

Loss usability for Connecticut single-family rental investors

Whether the cost seg loss is usable this year depends on the investor's profile. Three paths unlock immediate offset against W-2 or active income: REPS qualification under IRC Section 469(c)(7), STR loophole under Reg. 1.469-1T(e)(3)(ii), or other passive income to absorb the loss. Without one of these, the loss suspends under Section 469(b) and carries forward indefinitely until released.

Other property types in Connecticut

• Short-Term Rental (Airbnb/Vrbo) cost seg in Connecticut
• Multi-Family (5+ units) cost seg in Connecticut
• Office Buildings cost seg in Connecticut

FAQ

Can I do cost segregation on a single-family rental in Connecticut?

Yes. Cost segregation under IRC Section 168(k) is a federal tax strategy applying to single-family rental property anywhere in the United States, including Connecticut. Typical reclassification on a single-family rental: 15-25% into 5-year personal property, 5-10% into 15-year land improvements, 65-78% on the long 27.5-year schedule.

How does Connecticut treat federal bonus depreciation on a single-family rental?

Connecticut is fully decoupled from federal bonus depreciation. The state benefit is excluded. The federal benefit remains.

What does the OBBBA 100% bonus depreciation mean for single-family rental in Connecticut?

For property acquired with a binding contract on or after January 20, 2025 under Public Law 119-21, the reclassified portion (5-year, 7-year, and 15-year) of a single-family rental receives 100% bonus depreciation in year one. Connecticut's treatment: Connecticut is fully decoupled from federal bonus depreciation. The state benefit is excluded. The federal benefit remains.

Is the cost seg loss on a Connecticut single-family rental usable against W-2 income?

Depends on the investor's tax profile. REPS qualification under IRC Section 469(c)(7) treats rental losses as nonpassive and offsets W-2 immediately. The STR loophole under Reg. 1.469-1T(e)(3)(ii) applies when the average customer use is 7 days or less and the owner materially participates. Without one of those, the loss suspends under Section 469.

What's the recapture risk on a Connecticut single-family rental with cost seg?

Section 1245 recapture applies to the reclassified 5-year and 15-year portions at ordinary rates. Section 1250 unrecaptured gain applies to the long-schedule portion at up to 25%. A 1031 exchange under IRC Section 1031 defers all of it. Hold-to-death produces a basis step-up under IRC Section 1014 that erases the recapture entirely.

What WeCostSeg tier is right for a Connecticut single-family rental?

Tier selection depends on basis. Under $800K residential: $795 Rapid Report. Up to $2M residential or small multifamily: $2,495 Fully Engineered Residential. Commercial of any size: $2,995+ Fully Engineered Commercial. All tiers include five years of audit defense.

Can I do a look-back study on a Connecticut single-family rental I bought years ago?

Yes. Form 3115 with Designated Change Number 7 under Rev. Proc. 2022-14 captures missed depreciation via a Section 481(a) catch-up posted in the year of change without amending prior returns.

Is virtual inspection acceptable for a Connecticut single-family rental?

Virtual inspection is acceptable for residential and small multifamily single-family rental properties under IRS Publication 5653 February 2025 edition. In-person inspection is preferred for hotels, restaurants, large commercial, and FF&E-intensive single-family rental properties.