Stand on the Memorial Bridge connecting Portsmouth, New Hampshire to Kittery, Maine, and you can see the swift Piscataqua tide tearing past Seavey's Island — the same current that has kept this harbor ice-free since the Royal Navy commissioned its first warship here in 1696. Today, that same fast water carries Los Angeles-class and Virginia-class fast-attack submarines into Dry Docks 1, 2, and 3 for the most demanding overhaul work in the fleet. The shipyard sprawls across all 297 acres of Seavey's Island, a federal enclave physically in Maine but reached by bridge from New Hampshire — a geographic quirk that defines nearly every PCS decision your family will make here.
Portsmouth Naval Shipyard turns 226 years old in June 2026 — established by Navy Secretary Benjamin Stoddert under President John Adams in 1800, making it the U.S. Navy's oldest continuously operating shipyard. Of the four naval shipyards remaining in the nation, PNSY carries the heaviest specialization: nuclear-powered submarine overhaul, refueling, and modernization. The PCS reality is unusual — only ~200 active duty Navy personnel are permanently assigned, joined by ~6,500 federal civilians who form the technical core. That means most service members report to a small uniformed cadre embedded in a vast civilian engineering workforce, and most family-life decisions revolve around the cross-state Seacoast housing market rather than a traditional base community.
Last updated April 28, 2026 · BAH verified via DTMO 2026 rate tables · Distances via Google Maps · Schools via Kittery School Department, York School Department, Eliot Elementary School District / Marshwood School District (RSU 35), Portsmouth Public Schools, Oyster River Cooperative School District (Lee/Madbury/Durham), Stratham SAU 16 · Rent via Apartments.com / Zumper
The 2026 Portsmouth/Kittery MHA (NH194) E-5 with-dependents BAH is $3,321/month, up 3.8% from 2025, ranking among the 16 highest Navy installations nationally. The MHA spans both sides of the Piscataqua River, covering ZIPs in Kittery, Eliot, and York (Maine) plus Portsmouth, Newington, Greenland, and Rye (New Hampshire) under a single rate.
Most PCS families optimize across two state tax regimes — New Hampshire has no state income tax but high property taxes, while Maine has graduated income tax 5.8–7.15% with generally lower property taxes. Healthcare anchors at Naval Branch Health Clinic Portsmouth (1 Ayres Circle, Kittery — outpatient only) with referrals to Portsmouth Regional Hospital (240 beds, only Level II Trauma on the Seacoast). Family housing is limited via Balfour Beatty; most assignments live off-base.
The 2026 Portsmouth/Kittery MHA (NH194) rate of $3,321/month for E-5 with dependents represents a 3.8% increase from 2025 — slightly below the national 4.2% average BAH increase. Among Navy duty stations, PNSY's MHA ranks 16th nationally, well above national median Navy rates but below the most expensive coastal MHAs in San Diego, Honolulu, and the New York metro area. The Seacoast housing market that drives this MHA reflects high rental and home purchase costs across both states — PNSY's BAH must compete with civilian shipyard workers, biotech employees, and Boston commuters for the same housing stock.
State tax planning is the single biggest financial decision for PNSY PCS families. New Hampshire residents pay no state income tax but face the 7th-highest effective property tax rate in the United States (median ~1.93% of assessed value). Maine residents pay graduated state income tax of 5.8% to 7.15%, with property taxes typically running 1.0–1.3% of assessed value. Active duty members generally retain their home-of-record state for income tax purposes under the Servicemembers Civil Relief Act (SCRA), but spouse income, vehicle registration, and property tax exposure shift based on residence. Federal civilians at PNSY pay Maine income tax on shipyard wages regardless of where they live, per a 2001 U.S. Supreme Court decision affirming Maine jurisdiction over Seavey's Island. The cost-of-living index for the Seacoast region runs ~10–15% above national average, with grocery, fuel, and home heating oil costs notably elevated.
| Rank | With Dep | No Dep | Suggested Off-Base |
|---|---|---|---|
| E-1 to E-4 | $3,099 | $2,367 | $2,400–$2,800 |
| E-5 | $3,321 | $2,700 | $2,500–$3,000 |
| E-6 | $3,690 | $2,901 | $2,800–$3,400 |
| E-7 | $3,975 | $3,108 | $3,000–$3,700 |
| E-8 | $4,278 | $3,399 | $3,300–$4,000 |
| E-9 | $4,617 | $3,504 | $3,500–$4,300 |
| W-2 | $4,098 | $3,396 | $3,200–$3,800 |
| O-3 | $4,461 | $3,555 | $3,400–$4,200 |
| O-4 | $4,983 | $3,993 | $3,900–$4,700 |
| O-5 | $5,355 | $4,167 | $4,100–$5,000 |
| O-6 | $5,400 | $4,455 | $4,200–$5,100 |
| O-7+ | $5,445 | $4,536 | $4,300–$5,200 |
PNSY housing decisions split immediately into two questions: which side of the Piscataqua River, and how far from the shipyard? Below are the seven communities that capture most PCS family housing decisions. Tradeoff badges reflect objective housing cost relative to local averages; school information is included via district-level reputation. The closest residential clusters — Kittery, Eliot, and York on the Maine side — sit within 5–15 minutes of the shipyard. Crossing to the New Hampshire side adds bridge traffic at peak hours but unlocks no-state-income-tax savings. School quality varies materially across districts; the Oyster River Cooperative School District (Durham/Lee/Madbury) consistently ranks among New Hampshire's top public districts, while Portsmouth Public Schools and Marshwood RSU 35 are well-regarded regional options.
School district choice is the second-largest housing decision after state tax planning. The Seacoast supports several distinct districts, each with materially different reputations. The Oyster River Cooperative School District (Durham/Lee/Madbury) is widely considered New Hampshire's top public district by academic outcomes; Portsmouth Public Schools, Marshwood RSU 35 (covering Eliot/South Berwick), and York are all well-regarded regional options. Verify current district enrollment policies, IDEA/special education resources, and JROTC availability before committing to a residential area — district boundaries can split unexpectedly across town lines.
Ratings reflect GreatSchools test-score percentiles and do not capture school culture, military family support programs, special education depth, or extracurriculars. Verify per address with the district before enrollment decisions. Higher ed: University of New Hampshire (Durham, ~20 mi — flagship state research university), University of Southern Maine (Portland/Gorham, ~50 mi), Great Bay Community College (Portsmouth campus, ~5 mi — strong defense-aligned technical programs), Saint Anselm College (Manchester NH, ~55 mi), Northeastern University satellite programs (Portsmouth area), and Phillips Exeter Academy (~25 mi west — premier private grades 9-12 boarding/day).. Notable private K-12: Berwick Academy (Day school, K-12, South Berwick ME), Portsmouth Christian Academy (Dover NH), St. Patrick Academy (Portsmouth NH, Catholic K-8), Phillips Exeter Academy (~25 mi west, premier boarding/day grades 9-12). School Liaison through the PNSY FFSC.
PNSY's military medical footprint is intentionally modest given the small ~200 active duty population. Naval Branch Health Clinic Portsmouth (NBHC Portsmouth) at 1 Ayres Circle, Kittery, provides outpatient care only — there is no military hospital on or near the shipyard. The civilian healthcare network of the Seacoast is unusually deep for a region of its size: Portsmouth Regional Hospital is the only Level II trauma center on the Seacoast, while Wentworth-Douglass Hospital (Mass General Brigham) and York Hospital provide community-level acute care. Pediatric subspecialty referrals route to Boston Children's Hospital (~60 mi south) or Maine Medical Center (~70 mi north).
MWR Portsmouth Shipyard supports the combined active duty plus federal civilian community on Seavey's Island, giving service members access to amenities scaled well beyond what the small uniformed footprint would normally support. The Fitness Center is available 24/7 to ID-holders, and the broader recreation portfolio leverages the unique coastal geography with marina access, fishing, and outdoor programming.
PNSY commutes are bridge-dependent. Service members and federal civilians living on the New Hampshire side cross the Memorial Bridge (Route 1) or Sarah Long Bridge (Route 1 Bypass) at shift change — both can back up significantly. The third option, the I-95 high-rise bridge, adds tolls but moves consistently. Bus and rail options are limited; nearly all commutes are by personal vehicle. Summer tourist traffic on Route 1 (especially southbound from Maine into Kittery Outlets) and I-95 traffic into Maine on summer Fridays add 15–30 minutes to typical commutes during peak season.
| Destination | Distance | Off-Peak Drive |
|---|---|---|
| Kittery, ME (downtown) | 1 mi | 5 min |
| Portsmouth, NH (downtown) | 3 mi | 10 min |
| Eliot, ME | 5 mi | 12 min |
| York, ME | 10 mi | 18 min |
| Dover, NH | 14 mi | 22 min |
| Durham/UNH | 20 mi | 30 min |
| Pease ANGB / Tradeport | 5 mi | 12 min |
| Hampton/Hampton Beach, NH | 15 mi | 25 min |
| Manchester-Boston Regional Airport | 50 mi | 55 min |
| Boston Logan Airport | 60 mi | 75 min |
| Portland, ME | 50 mi | 60 min |
| Boston, MA (downtown) | 60 mi | 75 min |
Beyond PNSY, the Seacoast hosts a dense military, federal, and academic ecosystem that creates strong spouse employment and post-military career opportunities. Pease Air National Guard Base (157th Air Refueling Wing — KC-46) sits 5 miles west and offers another active military presence. The Pease International Tradeport employs ~10,000 in defense and life-sciences companies. Civilian healthcare, higher education, and federal facilities round out the picture.
2026 BAH for Portsmouth/Kittery (NH194) rose 3.8% to $3,321/month for E-5 with dependents, slightly trailing the 4.2% national average increase but maintaining PNSY's position among the top 16 Navy MHAs. The 2025 Maine state income tax brackets remain at 5.8%/6.75%/7.15%, with an inflation adjustment to threshold amounts; New Hampshire continues to have no broad state income tax. PNSY's recapitalization continues — Dry Dock 2 complex construction is ongoing with major facility milestones expected through 2027.
PNSY workforce growth tied to the Virginia-class waterfront support facility (Building 178, $1.73B contract) continues to expand the federal civilian footprint. Active duty PCS volume remains stable at the small ~200-billet level, with the SERE School driving the largest transient student population. The April 2026 watermain pressure incident at Naval Support Activity Maine prompted maximum telework posture and limited industrial operations — Public Works repairs are expected to restore full operations in coming weeks. PCS families arriving in 2026 should confirm housing inventory and clinic services with their gaining command sponsor before travel.
The 2026 Portsmouth/Kittery MHA (NH194) E-5 with-dependents BAH is $3,321/month, up 3.8% from 2025. The MHA spans both sides of the Piscataqua River — Kittery, Eliot, and York in Maine, plus Portsmouth, Newington, Greenland, and Rye in New Hampshire — under a single rate. Higher ranks scale up: O-3 with dependents at $4,461; O-5 with dependents at $5,355. Verify your specific ZIP and rank on the DTMO BAH calculator.
PNSY's primary mission is submarine industrial work that cannot be performed at sea or at homeport piers — full overhauls, refueling, modernization, and depot-level maintenance. The shipyard operates three active dry docks, including the recently extended Dry Dock 1 and the multi-billion-dollar Dry Dock 2/3 complex currently under construction for Virginia-class support. Of the four remaining naval shipyards (Norfolk, Pearl Harbor, Puget Sound, Portsmouth), PNSY is the smallest by dock count but carries the deepest specialization in fast-attack submarine work. Tenant commands include NAVSEA (parent), NSA Maine (host), Navy SERE School, and a Naval Reactors detachment.
Family housing on-base via Balfour Beatty Communities (67 Philbrick Avenue, Kittery) has limited inventory and waitlists — most PCS families live off-base. The Maine side (Kittery, Eliot, York) puts you 5–15 minutes from Gate 1 with Maine state income tax exposure. The New Hampshire side (Portsmouth, Newington, Greenland, Rye) adds bridge crossings but eliminates state income tax — though property taxes are among the nation's highest. Families prioritizing schools often look at Durham/Lee/Madbury (Oyster River SAU, top-rated NH district) or Stratham/Exeter (SAU 16) despite the longer commute.
The Oyster River Cooperative School District (Durham/Lee/Madbury, NH) consistently ranks among New Hampshire's top public districts on academic outcomes and college readiness — UNH adjacency drives strong STEM enrichment. Portsmouth Public Schools and Marshwood RSU 35 are well-regarded regional options. Kittery School Department is the closest to PNSY but smaller; some families opt for tuition agreements to send high schoolers to Marshwood or York. Verify district enrollment policies and IDEA/special education resources before committing to a residential area — district boundaries can split unexpectedly across town lines.
Naval Branch Health Clinic Portsmouth (NBHC Portsmouth) at 1 Ayres Circle, Kittery, provides outpatient care only — there is no military hospital on or near PNSY. Parent command is Naval Health Clinic New England (HQ Newport RI). Civilian healthcare depth on the Seacoast is unusually strong: Portsmouth Regional Hospital is the only Level II Trauma Center on the Seacoast and the only comprehensive stroke/neurosurgery program in the region. Wentworth-Douglass (Mass General Brigham affiliate) provides community-level acute care and a clear referral path to Boston. Pediatric subspecialty care routes to Boston Children's (~60 mi south) or Maine Medical Center (Portland, ~70 mi north).
MWR Portsmouth Shipyard amenities are scaled for the combined ~6,700 person community (active duty + federal civilians + family members), giving service members access well beyond what ~200 active duty would normally support. The Main Fitness Center is 24/7 for ID holders. CYP services span 6 weeks through teens. The marina and Outdoor Adventures program take advantage of the Piscataqua and Atlantic — kayaks, paddleboards, fishing, boat slip rentals. The Auto Skills Center is particularly valuable given Maine and New Hampshire's strict winter inspection requirements. FFSC at Building 241 handles relocation assistance, financial counseling, spouse employment, and family programs.
Three bridges connect PNSY's Seavey's Island to mainland Maine and New Hampshire: the Memorial Bridge (Route 1, lift bridge, pedestrian-friendly), the Sarah Long Bridge (Route 1 Bypass, lift bridge), and the I-95 High-Rise Bridge (toll). Bridge backups at shift change (0600–0700 morning, 1500–1700 afternoon) are the biggest commute variable. Summer tourist traffic on Route 1 (especially southbound from Maine outlets to NH) and I-95 weekend traffic add 15–30 minutes June through Labor Day. Bus and rail service (COAST, Amtrak Downeaster) serves the broader region but does not directly serve PNSY — nearly all commutes are by personal vehicle.
For 2026, the most material PCS changes are: (1) BAH increase of 3.8% to $3,321/month E-5 with dependents in the Portsmouth/Kittery MHA (NH194); (2) ongoing Building 178 Virginia-class waterfront support facility construction tied to the $1.73B Dry Dock complex contract, which continues to expand the federal civilian footprint; (3) the April 2026 watermain pressure event at NSA Maine that prompted shipyard-wide telework posture — Public Works repairs are expected to restore full water service and industrial operations in coming weeks; (4) state tax bracket adjustments in Maine remain at 5.8%/6.75%/7.15% with inflation-indexed thresholds. Confirm all current details with your sponsor command before PCS travel.
Federal 2026 reforms apply on top of base-specific changes. The Personal Property Activity (PPA) stood up permanently May 1, 2026 at Scott AFB, IL reporting directly to the Secretary of War. PPA.mil is the new sole-source-of-truth hub for HHG, POV, claims, and PCS guidance — replacing fragmented legacy platforms. 24/7 PCS Call Center 1-833-MIL-MOVE (May 15 - Sept 15). Concrete 2026 policy changes: claims window 9 mo → 12 mo; PPM reimbursement back to 100% of government-constructed cost (down from 130% in 2025); dependent per diem for mover-caused delays now 75% of SM M&IE paid by carrier; DLA rates +3.8% for 2026. Pentagon discretionary PCS reduction 50% by FY2030: 10% FY27, 30% FY28, 40% FY29, 50% FY30 — fewer moves per career, longer tours, plan housing accordingly.Run your numbers across both states before you commit. The Portsmouth/Kittery MHA delivers strong BAH, but where you spend it determines whether you net 5–10% of household income to state taxes or zero. School district choice (Oyster River vs Marshwood vs Portsmouth vs York vs Kittery) materially affects long-term family planning. Bridge selection at shift change adds 10–25 minutes to your daily reality. HomeScoop's intelligence layer maps these tradeoffs by neighborhood, school zone, and commute pattern so you can optimize before signing a lease or buying.
Compare PNSY Neighborhoods →