Jaken Finance Group · Updated
Financing a DC English basement or accessory dwelling unit is a construction-to-permanent problem: you pay to make the lower level a legal dwelling, then you refinance on two rents instead of one. Jaken Finance Group funds the build with interest-only draws and the hold with DSCR once the Department of Buildings has issued a certificate of occupancy and a tenant is on a 30+ day lease.
This page is the capital stack. Zoning, use-specific limits, and line-item conversion costs are already documented — use them, do not reprint them:
- DC ADU rules for investors — ZR16, by-right accessory apartments, what is not an ADU
- DC English basement ADU financing 2026 — legalization cost stack, permit clock, CO traps
Parent construction hub: new construction loans Washington DC. Rowhouse envelope: row home financing Washington DC. Permanent takeout: DSCR loans Washington DC.
DC’s Spring 2026 median is $695,000 (−0.8% YoY, ~49 DOM). Q2 2026 District hard money averaged 10.24% with a $581,060 average loan. An English basement that adds $1,600–$2,200/mo is often the only way a mid-$600K row clears DSCR after tax and insurance. An illegal kitchenette that a listing called “in-law suite” is a $40,000–$90,000 (typical) or $90,000–$150,000 (gut) construction file — not bonus income.
The financing path in one sequence
| Stage | Product | What the lender needs |
|---|---|---|
| 1. Acquire (often 1 legal unit + illegal basement) | Hard money / fix and flip | DOB search, scope, ARV as legal two-unit |
| 2. Permit and build | Construction or rehab holdback, 8.99%–13.5% IO | Architect plans, 7-ft ceiling path, draw schedule |
| 3. CO + lease | Seasoning on the construction loan | CO, executed 30+ day lease, rent-control registration as required |
| 4. Takeout | DSCR 5.75%–10.5% | Combined rent ÷ PITIA ≥ 1.0 ( 1.15+ best tier) |
If the basement already has CO and a lease, skip to DSCR — you are not on a construction page. If you are building a rear-yard cottage, budgets jump toward $120,000–$250,000 and spec / new construction may fit better than a basement holdback.
What lenders will and will not count
| Basement status | Construction loan | DSCR numerator |
|---|---|---|
| Unfinished, no kitchen | Legalization scope eligible | $0 until CO |
| Finished, no CO | Cure plan required | $0 |
| CO issued, vacant | Carry through lease-up | Market rent on 1007 after CO |
| CO + 12-month lease | Refinance eligible | Contract rent (or 1007 if lower) |
| Advertised as STR / Airbnb | Do not fund that use | $0 — investor ADU cannot be licensed STR |
Ordinance on the STR ban: DC short-term rental license rules. If you want furnished premium without nightly stays, structure 30+ day mid-term leases — mid-term rental financing Washington DC.
Construction and rehab parameters (2026)
| Parameter | Typical range |
|---|---|
| Rate | 8.99%–13.5% interest-only |
| LTC | 70%–90% of total project cost on qualified files; up to 100% LTC on select construction/fix-and-flip files |
| Term | 12–18 months (permit + build + CO + lease) |
| Draws | Inspected milestones — not a lump sum at closing |
| Eligible scope | Egress, ceiling/dig-down, fire separation, kitchen/bath, metering, HVAC, DOB fees |
| Ineligible as “income” | Unpermitted basement rent, STR projections |
Align the clock with DC permits and building code. English basement CO does not fit a nine-month cosmetic flip unless permits are already in hand.
Draw schedule — basement-specific hold points
Funds release against inspected work, the same discipline as other Jaken Finance Group rehab files. Basement ADUs add four gates that a kitchen-only row does not have:
| Draw | Milestone | Why it exists |
|---|---|---|
| 1 | Demo + permits issued (basement plans in the set) | No plans, no later CO |
| 2 | Egress opening + rough MEP passed | You cannot close a wall over a failed window well |
| 3 | Fire separation + drywall | Separate dwelling, not a rec room |
| 4 | Finishes (legalization-grade, not luxury first) | Kitchen, bath, flooring to CO standard |
| 5 | Final inspection + CO | DSCR conversation starts here, not at drywall |
Hold points lenders actually use: egress rough before foundation openings are finished; fire-rated assembly before ceiling finish; meter set before final draw; CO before any takeout appraisal that includes the second unit.
See the fix-and-flip draw process and how to submit a scope of work.
Ceiling height, cost bands, and how they change the loan
The 7-foot habitable-room rule is the swing item in underwriting.
| Condition | Typical extra cost | Financing note |
|---|---|---|
| Already 7 ft clear | $0 structural | File looks like a mid-gut, $40k–$90k all-in legalization |
| 6’8” with possible conversion provision | Architect + DOB interpretation | Do not lock ARV until DOB agrees in writing |
| Dig-down / beam / underpinning | $8,000–$25,000+ in the ceiling line; gut totals often $90k–$150k | Longer term, higher IO carry |
| Historic egress (Capitol Hill, parts of Shaw) | $5,000–$20,000 HPO-matched openings | Add 4–12 weeks; size the construction term accordingly |
Typical $40,000–$90,000 files: Petworth and Columbia Heights rows where height already works and you are adding egress, separation, kitchen, bath, and meter. $90,000–$150,000 guts: Brookland and Brightwood rows with low headroom, wet walls from scratch, or failed inspections that force a second round of structure.
Soft costs that belong in the loan budget: architect, DOB permit ($2,000–$5,000 band), accessory-apartment recordation, and a 15% contingency. Party-wall surprises are a DC specialty — budget them.
Hypothetical example 1: Petworth construction to DSCR
Assume a rowhouse has one documented dwelling and a basement that needs approval and work. The following figures are invented planning inputs, not a funded transaction, contractor bid or local rent forecast. Approval of the proposed second dwelling remains a separate condition.
| Line | Assumed amount |
|---|---|
| Purchase | $612,000 |
| Main-unit systems and kitchen | $64,000 |
| Basement work | $78,000 |
| Purchase plus work | $754,000 |
| Construction loan at an illustrative 75% of those costs | $565,500 |
| Borrower share of purchase and work | $188,500 |
| Buyer recordation tax at 1.45% of purchase price | $8,874 |
| Other buyer closing costs assumed | $7,500 |
| Borrower contribution before carry and reserves | $204,874 |
The tax line assumes a taxable residential deed and that the buyer pays recordation tax. DC’s published deed-tax rates list 1.45% for each tax at this price. A separate 1.45% transfer tax would also be $8,874. This example assigns that tax to the seller; verify the contract’s allocation and any exemption with title counsel.
The contribution is a total budget share, not a closing-wire quote. Rehab holdbacks and draw timing affect when cash must be available. At an assumed $540,000 average drawn balance, 11.25% annual interest over ten months adds $50,625. Other holding costs and reserves would be additional.
After lawful completion and lease-up, assume monthly rent of $3,050 upstairs and $1,850 below, totaling $4,900. With an assumed $785,000 value, a 75% loan would be $588,750. At 7.15% over 30 years, monthly principal and interest would be $3,976.46.
| Monthly loan and operating test | Amount |
|---|---|
| Principal and interest | $3,976.46 |
| Assumed property tax | $620 |
| Assumed insurance | $175 |
| Total PITIA, with no association dues | $4,771.46 |
| Residential gross-rent DSCR: $4,900 ÷ $4,771.46 | 1.03 |
| Separate operating costs and reserves assumed | $500 |
| Owner cash flow after PITIA and that allowance | Negative $371.46 |
That ratio does not use net operating income. It compares accepted gross rent with the housing payment. If only $3,050 is accepted, the ratio falls to about 0.64. Even with both rents, this example misses an illustrative 1.20 requirement and has negative cash flow. The actual lender sets its terms.
Do not assume a refinance without a title transfer repeats the deed transfer tax. Have title counsel price recording charges and any tax on the new debt instrument. Improvements can also affect assessment. Check OTR’s assessment process and use a supported tax estimate instead of predicting an automatic increase from the refinance alone.
Compare neighborhood acquisition: Petworth hard money and Petworth DSCR.
Hypothetical example 2: Brookland gut and a smaller refinance
Assume another purchase needs $128,000 of basement work plus $42,000 upstairs. These figures are a teaching scenario, not evidence of an actual property or completed loan. The budget assumes the proposed use can be approved; that must be verified before relying on two rents.
| Line | Assumed amount |
|---|---|
| Purchase | $478,000 |
| Upstairs work | $42,000 |
| Basement work | $128,000 |
| Purchase plus work | $648,000 |
| Construction loan at an illustrative 78% of those costs | $505,440 |
| Buyer recordation tax at 1.45% | $6,931 |
| Other buyer closing costs | $7,500 |
| Interest: $480,000 average drawn balance at 11.5% for 13 months | $59,800 |
| Listed project costs, tax, fees and interest | $722,231 |
This total excludes unlisted holding costs, loan fees and reserves. It assumes the seller pays the separate transfer tax. The actual interest bill depends on when funds are drawn and repaid. Neither the average balance nor the 13-month period is a promised loan structure.
Assume supported rents of $2,650 upstairs and $1,650 below, totaling $4,300 monthly. Test a $695,000 value with 30-year debt at 7.25%. Monthly taxes and insurance are assumed to total $635, with no association dues.
| Refinance case | Loan | Monthly principal and interest | PITIA | Gross-rent DSCR |
|---|---|---|---|---|
| 76% of assumed value | $528,200 | $3,603.26 | $4,238.26 | 1.01 |
| 72% of assumed value | $500,400 | $3,413.61 | $4,048.61 | 1.06 |
A smaller loan improves the ratio but does not make this a passing 1.20 file. Add $500 monthly for other operating costs and reserves. Cash flow is then negative $438.26 at 76% leverage and negative $248.61 at 72% leverage. Keep that owner budget separate from the gross-rent loan test.
Lower proceeds can also create a payoff gap. If the construction debt is still $505,440, the 72% refinance is $5,040 short before refinance costs. More cash, a lower purchase basis or different verified terms may be needed. Added basement rent alone does not prove that the project works.
Brookland context: Brookland hard money. City BRRRR sequence: DC BRRRR strategy.
TOPA, rent control, and DOB — financing friction, not a statute reprint
DOB. Open illegal-unit violations follow the building. Hard money can still close when the cure is in the scope. DSCR will not. Pull the property on dob.dc.gov before you waive inspection. Violation-to-cost ranges: TOPA and DOB compliance.
TOPA. Buying an occupied row to add an ADU is not a vacant-unit condo transfer. Notice of Transfer and, on non-exempt stock, Offer of Sale can add 30–120 days. Size construction term for that clock. Vacant genuine vacancy is simpler — prove it.
Rent control. The new legal unit needs registration thinking with DHCD. In-place basement tenants paying “informal” rent are not a DSCR rent roll. After CO you may be setting a new legal rent — or inheriting control status. Rent control investor guide.
Historic Preservation. Exterior egress on Capitol Hill and parts of Georgetown/LeDroit adds 45–90 days before those draws fund. Interior-only Brookland guts skip that — another reason example 2 still pencils at a lower basis.
ADU cannot be STR — how that changes the loan
Investor English basements must be leased 30 days or longer. That is good news for DSCR: the product already wants lease income, not nightly occupancy models. It is bad news if your broker’s pro forma is an AirDNA printout.
| Income story | Construction loan | DSCR |
|---|---|---|
| 12-month unfurnished | Standard | Cleanest takeout |
| Furnished 30–90 day MTR | OK if leases are real | Select programs; document history |
| Nightly Airbnb | Do not underwrite | Do not underwrite |
ADU STR prohibition in the rules blogs is the reason this financing page never uses nightly revenue in the worked examples.
Parcel and zoning gates (verify, then finance)
Before Jaken Finance Group sizes ARV as two units:
- Zoning district (most intown rows R-3/R-4 — accessory apartment often by-right; confirm the lot)
- One ADU per lot in the usual accessory-apartment framework
- Separate entrance that will exist after the scope — not a promise
- Parking waiver reality near transit
- Owner-occupancy rules in R-1/R-2 if that is actually your zone (most investor rows are not)
Full use table: DC ADU rules. Financing does not create entitlement. Entitlement without a draw schedule does not create CO.
Construction-to-DSCR timeline (plan the IO)
| Phase | Duration |
|---|---|
| Architect + existing conditions | 2–4 weeks |
| DOB permit review | 8–14 weeks |
| HPO (only if exterior egress) | +4–12 weeks |
| Construction | 12–20 weeks typical; guts run long |
| Inspections + CO | 4–8 weeks |
| Lease-up | 2–6 weeks |
| DSCR close | 7–14 business days with complete file |
At 11% IO on a $500K average balance, each extra month is ~$4,600. A four-month permit miss is a mid-five-figure hit. That is why we argue for 14–18 month construction terms on basement files, not a 9-month flip term copied from a cosmetic listing.
House-hack vs investor ADU
Jaken Finance Group loans are non-owner-occupied. If you will live in the main unit and rent the basement, that is a house hacking Washington DC occupancy story with different products. If both units are for rent in an LLC, you are on this construction-to-DSCR path.
Common financing mistakes
- Bidding two-unit ARV with one-unit CO
- Starting finishes before permits (draws freeze; CO at risk)
- Modeling DSCR on illegal basement rent
- Using $40k–$90k typical cost on a gut that needs $128k
- Ignoring 7-ft height until the GC is on site
- Underwriting STR on an investor ADU
- Sizing a 9-month hard-money term through a 14-week DOB queue
- Forgetting reassessment on the takeout tax line
- Treating TOPA as “condo-style” because the basement “feels like a separate unit” — it is still one PIN until you convert, which is a different product
Start the construction file
- Pick your scenario — construction vs already-legal DSCR
- Submit the deal — purchase, basement status, DOB search, scope
- Call (833) 264-7776
Bring the DOB record, a GC estimate that includes egress and fire separation, and whether the ceiling already meets 7 feet. Jaken Finance Group will tell you if the file is a typical legalization or a gut that needs more term and more cash.
DC English basement financing — construction-to-DSCR gates (2026)
ADU files fail when illegal rent is in the DSCR model, or when gut height work is budgeted like a typical $40k–$90k legalization.
- Petworth teaching case: $4,900 monthly gross rent supports a 1.03 gross-rent DSCR at the assumed 75% loan. Separate operating costs leave negative cash flow.
- Brookland teaching case: Reducing the assumed refinance from 76% to 72% improves gross-rent DSCR from 1.01 to 1.06. Both miss the illustrative 1.20 target.
- 7-ft ceiling is a loan condition, not a punch-list item
- No STR on investor ADUs — long-term or MTR only
- Rules blogs: ADU rules · English basement costs
Underwriting anchor: CO first, then lease, then DSCR. Hard money 8.99%–13.5% · DSCR 5.75%–10.5% · DOB · (833) 264-7776.
Related
- ADU construction loans
- New construction loans Washington DC
- DC ADU rules · English basement ADU financing (costs)
- Row home financing · DSCR loans DC
- Hard money lenders DC · DC BRRRR
- TOPA and DOB · Permits and building code
Pre-qualify for DC ADU financing · Submit the property · (833) 264-7776
ADU and English basement loans here are business-purpose. The extra unit must have a certificate of occupancy before DSCR counts the rent. Build costs above are planning ranges, not bids.